{"id":18141,"date":"2025-03-05T11:25:27","date_gmt":"2025-03-05T11:25:27","guid":{"rendered":"https:\/\/aludiecasting.com\/?p=18141"},"modified":"2025-12-14T14:18:29","modified_gmt":"2025-12-14T14:18:29","slug":"anodizare-aluminiu-turnat-sub-presiune","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/","title":{"rendered":"Anodizarea aluminiului turnat sub presiune | Ghid complet"},"content":{"rendered":"<p><strong>Anodizarea aluminiului turnat sub presiune<\/strong> creeaz\u0103 o suprafa\u021b\u0103 protectoare. Mai \u00eent\u00e2i, piesa de aluminiu turnat sub presiune este cur\u0103\u021bat\u0103. Apoi, un curent electric \u00eentr-o baie de acid formeaz\u0103 un strat de oxid. Acest strat \u00eent\u0103re\u0219te aluminiul, sporindu-i rezisten\u021ba la uzur\u0103. \u00cen cele din urm\u0103, piesa anodizat\u0103 poate fi vopsit\u0103 pentru culoare.  Anodizarea confer\u0103 unui produs o culoare specific\u0103 \u0219i \u00eei spore\u0219te aspectul estetic. Cu toate acestea, porozitatea poate afecta finisajul final.<\/p>\n<p>Prin urmare, acest articol eviden\u021biaz\u0103 c\u00e2\u021biva parametri importan\u021bi ai <strong>anodizare aluminiu turnat sub presiune<\/strong>. Aceasta acoper\u0103 controlul calit\u0103\u021bii, procedurile \u0219i tacticile de pretratare.<\/p>\n<p>Dac\u0103 sunte\u021bi \u00een c\u0103utarea pentru anodizare mor turnare servicii de aluminiu pentru piesele dvs. de turnare, bine a\u021bi venit s\u0103 ne contacta\u021bi, v\u0103 vom rezolva problema, pute\u021bi merge la <a href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat\/\">anodizare aluminiu turnat<\/a> pentru a afla mai multe despre finisarea suprafe\u021bei de anodizare.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Tabla de con\u021binut<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Tabelul de con\u021binut\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #7c7c7c;color:#7c7c7c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #7c7c7c;color:#7c7c7c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#What_is_Aluminum_Die_Casting\" >Ce este turnarea sub presiune a aluminiului?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Die_Casting_Processes\" >Procese de turnare sub presiune<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Common_Aluminum_Alloys\" >Aliaje comune de aluminiu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#A380\" >A380:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#ADC12\" >ADC12:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Key_Properties\" >Propriet\u0103\u021bi cheie<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Die_Casting_Defects\" >Defecte de turnare sub presiune<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Die_Casting_Tooling\" >Scule de turnare sub presiune<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Surface_Finish\" >Finisaj de suprafa\u021b\u0103<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#What_is_Anodizing_aluminum_die_casting\" >Ce este Anodizarea aluminiului turnat sub presiune?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Electrochemical_Process\" >Proces electrochimic<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Chemical_Equations\" >Ecua\u021bii chimice<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Types_of_Anodizing_Aluminum_Die_casting\" >Tipuri de anodizare a aluminiului turnat sub presiune<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#1_Chromic_Acid_Anodizing\" >1.   Anodizare cu acid cromic:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#2_Sulfuric_Acid_Anodizing\" >2.   Anodizare cu acid sulfuric:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#3_Hard_Anodizing\" >3.   Anodizare dur\u0103:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Microstructure_of_the_Anodized_Layer\" >Microstructura stratului anodizat.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Conventional_vs_Hard_Anodizing\" >Anodizare conven\u021bional\u0103 vs. dur\u0103<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Pre-Anodizing_Preparation_for_Aluminum_Die_Casting\" >Preg\u0103tirea pentru pre-nodizare pentru aluminiu turnat sub presiune<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Cleaning\" >Cur\u0103\u021bare<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Etching\" >Gravur\u0103<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Desmutting\" >Desmutarea<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Surface_Roughness_Measurement\" >M\u0103surarea rugozit\u0103\u021bii suprafe\u021bei<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Importance_of_Dwell_Times_and_Chemical_Concentrations\" >Importan\u021ba timpului de sta\u021bionare \u0219i a concentra\u021biilor chimice<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Anodizing_Process_for_Aluminum_Die_Casting\" >Procesul de anodizare pentru aluminiu turnat sub presiune<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Electrolyte_Composition_in_Anodizing_aluminum_die_casting\" >Compozi\u021bia electrolitului \u00een anodizarea aluminiului turnat sub presiune<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Current_Density_Temperature_and_Time\" >Densitatea curentului, temperatura \u0219i timpul<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Pore_Structure_Formation\" >Formarea structurii porilor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Chromic_Acid_vs_Sulfuric_Acid_Anodizing\" >Anodizare cu acid cromic vs. anodizare cu acid sulfuric<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Chromic_acid_Type_I\" >Acid cromic (tip I):<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Sulfuric_acid_Type_23\" >Acid sulfuric (tip 2\/3):<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Role_of_the_Cathode\" >Rolul catodului<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Impact_of_Alloy_Composition\" >Impactul compozi\u021biei aliajului<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Post-Anodizing_Processes_and_Quality_Control\" >Procese post-nodizare \u0219i controlul calit\u0103\u021bii<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Sealing_Mechanisms\" >Mecanisme de etan\u0219are<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Dyeing_Process\" >Procesul de vopsire<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Thickness_Testing\" >Testarea grosimii<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Anodizing_aluminum_die-casting_Corrosion_Testing\" >Anodizare aluminiu turnat sub presiune Testarea coroziunii<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Quality_Standards\" >Standarde de calitate<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Importance_of_pH_Control_in_Sealing\" >Importan\u021ba controlului pH-ului \u00een etan\u0219are<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/aludiecasting.com\/ro\/anodizare-aluminiu-turnat-sub-presiune\/#Conclusion\" >Concluzie<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Aluminum_Die_Casting\"><\/span>Ce este turnarea sub presiune a aluminiului?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/ro\/aluminiu-turnat-sub-presiune-3\/\">Aluminum die casting<\/a> este un proces utilizat \u00een cea mai mare parte. Acesta poate produce piese extrem de detaliate pentru fiecare industrie. Primul pas \u00een acest proces este topirea aliajului de aluminiu prin \u00eenc\u0103lzirea acestuia p\u00e2n\u0103 la punctul de topire.<\/p>\n<p>Apoi, acest metal topit trece printr-un proces de injec\u021bie pentru a umple uniform matri\u021ba de o\u021bel sub presiune ridicat\u0103. Matri\u021ba ofer\u0103 forma profilului produsului \u0219i, dup\u0103 solidificare, piesa devine gata pentru \u00eendep\u0103rtare.<\/p>\n<p><iframe loading=\"lazy\" title=\"Ce este anodizarea aluminiului \u0219i cum func\u021bioneaz\u0103 | Prezentare general\u0103 a procesului de anodizare\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/0yl35W0o9S0?start=172&#038;feature=oembed\"  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Die_Casting_Processes\"><\/span>Procese de turnare sub presiune<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Orice pies\u0103 cu pere\u021bi sub\u021biri (1-2 mm) poate fi realizat\u0103 prin turnare sub presiune \u00eenalt\u0103. Acest lucru se datoreaz\u0103 faptului c\u0103 injecteaz\u0103 metalul la 10.000+ psi \u0219i, prin urmare, func\u021bioneaz\u0103 mai rapid. Acest proces este, de asemenea, potrivit pentru produc\u021bia de mas\u0103.<\/li>\n<li>Turnarea sub presiune joas\u0103 se ocup\u0103 perfect de piese cu pere\u021bi sub\u021biri p\u00e2n\u0103 la moderat gro\u0219i. Ofer\u0103 forma real\u0103 f\u0103r\u0103 a cauza multe defecte. Cu toate acestea, este un proces lent \u0219i utilizeaz\u0103 20-100 psi.<\/li>\n<li>Turnarea sub vid elimin\u0103 ini\u021bial aerul capturat din matri\u021b\u0103. Din acest motiv, turnarea nu produce g\u0103uri mici care se transform\u0103 \u00een cele din urm\u0103 \u00een porozitate.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Common_Aluminum_Alloys\"><\/span>Aliaje comune de aluminiu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/aluminum-alloys.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18142 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/aluminum-alloys-1024x1024.jpg\" alt=\"compara\u021bie aliaje de aluminiu\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/aluminum-alloys-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/aluminum-alloys-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/aluminum-alloys-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"A380\"><\/span>A380:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Acest aliaj are o fluiditate bun\u0103 datorit\u0103 prezen\u021bei elementelor de siliciu \u00een el. Produc\u0103torii aplic\u0103 o temperatur\u0103 de 660-680\u00b0C pentru turnare.<\/p>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Aluminium_alloy\" target=\"_blank\" rel=\"noopener\">A380<\/a> se potrive\u0219te practic articolelor cu pere\u021bi sub\u021biri \u0219i ofer\u0103 o rezisten\u021b\u0103 mai bun\u0103 pentru anodizare dec\u00e2t aliajele de \u00eenalt\u0103 performan\u021b\u0103.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ADC12\"><\/span>ADC12:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u00cen ADC12 exist\u0103 un con\u021binut mai mare de siliciu. Acesta este motivul pentru care aceste aliaje realizeaz\u0103 toleran\u021be str\u00e2nse cu pere\u021bi de 2-3 mm.<\/p>\n<p>Alternativ, acestea nu sunt mult mai u\u0219or de gestionat pentru anodizare. Se injecteaz\u0103 la temperaturi sub 650-670\u00b0C.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Key_Properties\"><\/span>Propriet\u0103\u021bi cheie<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Rezisten\u021b\u0103: A380 produce piese puternice.<\/li>\n<li>Rezisten\u021b\u0103 la coroziune: ADC12 nu corodeaz\u0103 u\u0219or.<\/li>\n<li>Anodizare: A380 merge bine cu anodizarea. \u00centre timp, ADC12 este mai greu deoarece exist\u0103 un exces de siliciu. Aceasta perturb\u0103 stratul de oxid.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Die_Casting_Defects\"><\/span>Defecte de turnare sub presiune<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>G\u0103uri mici (porozitate) se formeaz\u0103 atunci c\u00e2nd turnarea nu reu\u0219e\u0219te s\u0103 r\u0103ceasc\u0103 metalul uniform, sl\u0103bind piesele.<\/p>\n<p>Con\u021binutul de murd\u0103rie sau oxizi poate r\u0103m\u00e2ne blocat \u00een metal, provoc\u00e2nd incluziuni. Aceste probleme au, de asemenea, un impact asupra rezultatelor anodiz\u0103rii \u0219i ruineaz\u0103 cumva finisajul. Pute\u021bi merge la <a href=\"https:\/\/aludiecasting.com\/ro\/22-de-defecte-frecvente-ale-turnarii-sub-presiune-a-aluminiului-si-solutii\/\">defecte de turnare sub presiune<\/a> pagina pentru a cunoa\u0219te mai multe defecte pentru produsele de turnare sub presiune.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Die_Casting_Tooling\"><\/span>Scule de turnare sub presiune<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Mijloace de scule <a href=\"https:\/\/aludiecasting.com\/ro\/matrita-de-turnare-sub-presiune\/\">matri\u021b\u0103 de turnare sub presiune<\/a> (matri\u021b\u0103). De obicei, este fabricat din o\u021bel metalic pentru a avea suficient\u0103 rezisten\u021b\u0103. Care, prin urmare, poate func\u021biona la c\u0103ldur\u0103 ridicat\u0103 (peste 600\u00b0C) \u0219i presiune (10.000+ psi).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Surface_Finish\"><\/span>Finisaj de suprafa\u021b\u0103<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Este posibil ca piesele turnate sub presiune s\u0103 aib\u0103 deja suprafe\u021be mai bune \u0219i mai \u00eengrijite, dar este necesar s\u0103 se elimine defectele minore. Rugozitatea lor actual\u0103 variaz\u0103 \u00eentre 1,6 \u0219i 3,2 \u00b5m (ca un \u0219mirghel fin). \u0218lefuirea acestor suprafe\u021be le poate face mai netede.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Anodizing_aluminum_die_casting\"><\/span>Ce este Anodizarea aluminiului turnat sub presiune?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Anodizarea aluminiului turnat sub presiune se refer\u0103 la o tehnic\u0103 electrochimic\u0103. Este ca o \u00eembun\u0103t\u0103\u021bire suplimentar\u0103 a stratului de oxid natural de pe piesele turnate din aluminiu. Dup\u0103 anodizare, piesele din aluminiu turnat nu corodeaz\u0103 u\u0219or. Acestea re\u021bin bine vopseaua \u0219i dureaz\u0103 mai mult.<\/p>\n<p>Automobilele, industria aerospa\u021bial\u0103 \u0219i electronicele de larg consum \u00eel folosesc pentru a-\u0219i produce componentele func\u021bionale \u0219i estetice.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Electrochemical_Process\"><\/span>Proces electrochimic<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Pentru a anodiza o pies\u0103, se preg\u0103te\u0219te o baie care con\u021bine un electrolit acid (de exemplu, acid sulfuric). Personalul scufund\u0103 apoi aluminiul \u00een ea.<\/p>\n<p>Procesul creeaz\u0103 un strat de oxid dur \u0219i poros prin absorb\u021bia unui curent electric. Acest rezultat devine posibil datorit\u0103 form\u0103rii de ioni de oxigen. Care se leag\u0103 de aluminiu.<\/p>\n<p>Grosimea stratului poate fi cuprins\u0103 \u00eentre 5 \u0219i 100 micrometri (\u00b5m), \u00een func\u021bie de proces.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Equations\"><\/span>Ecua\u021bii chimice<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Ecua\u021bia chimic\u0103 la anod (partea de aluminiu) este 2Al+3H\u2082O\u2192Al\u2082O\u2083+6H\u207a+6e-.<\/li>\n<li>\u00cen interiorul catodului de tip baie se afl\u0103 6H\u207a + 6e- \u2192 3H\u2082.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Types_of_Anodizing_Aluminum_Die_casting\"><\/span>Tipuri de anodizare a aluminiului turnat sub presiune<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"1_Chromic_Acid_Anodizing\"><\/span>1.   Anodizare cu acid cromic:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Majoritatea pieselor aerospa\u021biale au nevoie de durabilitate suficient\u0103 \u0219i greutate redus\u0103. \u00cen acest caz, anodizarea cu acid cromic func\u021bioneaz\u0103 bine. Cu acesta devine mai u\u0219or s\u0103 se formeze un strat sub\u021bire de oxid, de obicei de 2-5 \u00b5m grosime.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Sulfuric_Acid_Anodizing\"><\/span>2.   Anodizare cu acid sulfuric:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Se \u00eencadreaz\u0103 \u00een categoria tipurilor comune de anodizare. Procesul implic\u0103 utilizarea acidului sulfuric. Acesta poate crea straturi de oxid mult mai groase, fluctu\u00e2nd \u00eentre 5 \u0219i 25 \u00b5m.<\/p>\n<p>\u00cen general, aceast\u0103 anodizare creeaz\u0103 propriet\u0103\u021bi echilibrate de durabilitate \u0219i estetic\u0103 \u00een piese. Acestea pot fi produse de consum precum smartphone-uri, vase de g\u0103tit \u0219i arhitectur\u0103.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Hard_Anodizing\"><\/span>3.   Anodizare dur\u0103:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Acesta este un alt tip de anodizare care utilizeaz\u0103 \u00een mod similar acidul sulfuric. Cu toate acestea, este diferit datorit\u0103 capacit\u0103\u021bii sale de a crea un strat de oxid mai gros \u0219i mai dur. Acesta poate fi de 25 p\u00e2n\u0103 la 100 \u00b5m.<\/p>\n<p>Straturile mai groase sunt importante pentru piesele grele, pentru a crea bariere \u00eempotriva uzurii. Exemple sunt sistemele hidraulice, echipamentele militare \u0219i utilajele industriale.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Microstructure_of_the_Anodized_Layer\"><\/span>Microstructura stratului anodizat.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Exist\u0103 pori \u00een stratul anodizat. Care seam\u0103n\u0103 cu o structur\u0103 de tip fagure de miere. Porii lor absorb bine vopseaua \u0219i adaug\u0103 un strat protector \u00eempotriva coroziunii \u0219i uzurii.<\/p>\n<p>Formarea dimensiunii porilor depinde de procesul utilizat. De exemplu, tensiunea (12-24 vol\u021bi) \u0219i temperatura (18-22\u00b0C pentru tipul II).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Conventional_vs_Hard_Anodizing\"><\/span>Anodizare conven\u021bional\u0103 vs. dur\u0103<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Anodizarea conven\u021bional\u0103 (acid sulfuric) este cea mai potrivit\u0103 pentru piesele care necesit\u0103 o atingere estetic\u0103 sau o rezisten\u021b\u0103 medie la uzur\u0103.<\/p>\n<p>\u00cen caz de durabilitate \u0219i duritate extreme, anodizarea dur\u0103 (tip 3) este ideal\u0103. Se poate ob\u021bine o duritate de p\u00e2n\u0103 la 350-500 duritate Vickers (HV).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Pre-Anodizing_Preparation_for_Aluminum_Die_Casting\"><\/span>Preg\u0103tirea pentru pre-nodizare pentru aluminiu turnat sub presiune<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/pre-onidized-aluminum.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18143 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/pre-onidized-aluminum-1024x1024.jpg\" alt=\"anodizare \u00een aluminiu\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/pre-onidized-aluminum-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/pre-onidized-aluminum-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/pre-onidized-aluminum-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cleaning\"><\/span>Cur\u0103\u021bare<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Piesele din aluminiu se cur\u0103\u021b\u0103 cu ajutorul mai multor detergen\u021bi. Cur\u0103\u021b\u0103toarele alcaline (pH 10-12) sunt cele mai frecvente.<\/p>\n<p>Acestea func\u021bioneaz\u0103 la 50-70\u00b0C. Este nevoie de 5-10 minute pentru a \u00eendep\u0103rta murd\u0103ria, gr\u0103simea sau resturile. Detergen\u021bii descompun con\u021binutul de ulei prin saponificare, transform\u00e2ndu-l \u00een form\u0103 de s\u0103pun.<\/p>\n<p>\u00cen plus, exist\u0103 \u0219i detergen\u021bi pe baz\u0103 de solvent. Acestea sunt prea rapide \u0219i degreseaz\u0103 f\u0103r\u0103 ap\u0103.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Etching\"><\/span>Gravur\u0103<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Un tip de textur\u0103 u\u0219or aspr\u0103, f\u0103r\u0103 oxizi, care provine de obicei dintr-un proces de gravur\u0103. Acesta implic\u0103 sod\u0103 caustic\u0103 (hidroxid de sodiu, 50-100 g\/L). Procesul are loc la 50-70\u00b0C \u0219i necesit\u0103 1 p\u00e2n\u0103 la 5 minute de repaus.<\/p>\n<p>Rugozitatea pieselor se \u00eembun\u0103t\u0103\u021be\u0219te de la 0,8 \u00b5m la 1,5-3 \u00b5m. Astfel, piesa poate rezista sau adera bine la vopsea. Excesul de gravur\u0103 nu este neap\u0103rat important, deoarece cauzeaz\u0103 pitting.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Desmutting\"><\/span>Desmutarea<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Procesul de desmuiere este bun pentru \u00eendep\u0103rtarea u\u0219oar\u0103 a murd\u0103riei negre. Smut (resturi de oxizi \u0219i elemente de aliere) apare dup\u0103 \u00eencheierea etapei de gravur\u0103.<\/p>\n<p>De aceea au nevoie de un fel de solu\u021bie (acid nitric \u00een propor\u021bie de 10-30%) care s\u0103 le dizolve straturile.<\/p>\n<p>Reac\u021bia de eliberare a acidului dizolv\u0103 oxizii reziduali, dureaz\u0103 1-3 minute. Suprafe\u021bele de aluminiu devin complet curate.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Surface_Roughness_Measurement\"><\/span>M\u0103surarea rugozit\u0103\u021bii suprafe\u021bei<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Rugozitatea suprafe\u021bei variaz\u0103, dar poate fi urm\u0103rit\u0103 folosind m\u0103suri de profilometrie. Aceasta utilizeaz\u0103 un stylus pentru a analiza v\u00e2rfurile \u0219i v\u0103ile.<\/p>\n<p>Parametrii ideali de rugozitate variaz\u0103 \u00eentre 0,5 \u0219i 2,5 \u00b5m. Piesele prea alunecoase nu p\u0103streaz\u0103 bine straturile de acoperire, \u00een timp ce rugozitatea ridicat\u0103 nu duce la un finisaj uniform.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Importance_of_Dwell_Times_and_Chemical_Concentrations\"><\/span>Importan\u021ba timpului de sta\u021bionare \u0219i a concentra\u021biilor chimice<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Concentrarea asupra timpului de a\u0219teptare ajut\u0103 la ob\u021binerea rezultatului dorit, fie c\u0103 este vorba de cur\u0103\u021bare sau de gravur\u0103.<\/p>\n<p>\u00cen caz contrar, piesa poate fi deteriorat\u0103.<\/p>\n<p>De exemplu, dac\u0103 se acord\u0103 mai mult timp (peste 5 minute) sodei caustice, pere\u021bii sub\u021biri sunt supramatura\u021bi.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Anodizing_Process_for_Aluminum_Die_Casting\"><\/span>Procesul de anodizare pentru aluminiu turnat sub presiune<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/anodizing-process.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18144 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/anodizing-process-1024x1024.jpg\" alt=\"procesul de anodizare a aluminiului\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/anodizing-process-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/anodizing-process-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/anodizing-process-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Electrolyte_Composition_in_Anodizing_aluminum_die_casting\"><\/span>Compozi\u021bia electrolitului \u00een\u00a0<a name=\"_shbdcay6t8ms\"><\/a>Anodizare aluminiu turnat sub presiune<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Baia se prepar\u0103 prin amestecarea acidului sulfuric cu ap\u0103. Cu toate acestea, pentru a controla formarea porilor sau pentru o mai bun\u0103 absorb\u021bie, aditivii precum acizii organici func\u021bioneaz\u0103 cel mai bine.<\/p>\n<p>De asemenea, apa de r\u0103cire este important\u0103 pentru a men\u021bine temperatura b\u0103ii \u00een jur de 18-22 \u00b0C.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Current_Density_Temperature_and_Time\"><\/span>Densitatea curentului, temperatura \u0219i timpul<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Densitatea curentului: Sursa de alimentare DC \u0219i limitatorul de curent o gestioneaz\u0103. Aceasta trebuie s\u0103 fie \u00een jur de 1,5-3 A\/dm\u00b2. Curentul mai mare accelereaz\u0103 procesul, dar nu ofer\u0103 uniformitate.<\/li>\n<li>Tensiune: Cei 12-24 vol\u021bi sunt suficien\u021bi pentru uz general. Cu toate acestea, ea poate fi modificat\u0103 \u00een func\u021bie de aliaj sau de grosime.<\/li>\n<li>Timp: Anodizarea dureaz\u0103 30-60 de minute. Mai mult timp creeaz\u0103 straturi mai groase.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Pore_Structure_Formation\"><\/span>Formarea structurii porilor<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Am discutat deja despre formarea porilor prin intermediul curentului electric \u00een timpul anodiz\u0103rii. Astfel, agitatoarele distribuie uniform substan\u021bele chimice \u00een ele. Coloran\u021bii le umplu at\u00e2t de corect \u00eenc\u00e2t acestea nu s-ar coroda u\u0219or.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chromic_Acid_vs_Sulfuric_Acid_Anodizing\"><\/span>Anodizare cu acid cromic vs. anodizare cu acid sulfuric<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-68.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18147 size-full\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-68.jpg\" alt=\"Acid cromic vs. acid sulfuric Anodizarea aluminiului turnat sub presiune\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-68.jpg 800w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-68-480x300.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chromic_acid_Type_I\"><\/span>Acid cromic (tip I):<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Folose\u0219te acid cromic 3-10% \u00een baie. Produce straturi mai sub\u021biri (2-5 \u00b5m) cu o rezisten\u021b\u0103 excelent\u0103 la coroziune, dar cu o capacitate limitat\u0103 de vopsire.<\/p>\n<p>Acest proces utilizeaz\u0103 acid cromic 3-10% \u00een baie. Func\u021bioneaz\u0103 cel mai bine pentru a face pere\u021bii mai sub\u021biri \u0219i pentru a opri coroziunea. Cu toate acestea, nu se aplic\u0103 tuturor straturilor de acoperire.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sulfuric_acid_Type_23\"><\/span>Acid sulfuric (tip 2\/3):<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Este mai bine s\u0103 se utilizeze pentru realizarea unor straturi mai groase care pot re\u021bine puternic vopseaua. \u00cen acest caz, anodizarea dur\u0103 ofer\u0103 durabilitate extrem\u0103.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Role_of_the_Cathode\"><\/span>Rolul catodului<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Circuitul se termin\u0103 la catod (plumb sau o\u021bel). \u00cen acest punct, se formeaz\u0103 hidrogen gazos pentru a permite reac\u021bia anodului cu ionii de oxigen.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Impact_of_Alloy_Composition\"><\/span>Impactul compozi\u021biei aliajului<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Particulele mai mari de siliciu din ADC12 blocheaz\u0103 reac\u021biile, din cauza c\u0103rora stratul de oxid nu ader\u0103 bine.<\/p>\n<p>\u00centre timp, siliciul inferior din A380 absoarbe vopseaua uniform.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Post-Anodizing_Processes_and_Quality_Control\"><\/span>Procese post-nodizare \u0219i controlul calit\u0103\u021bii<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/post-anodizing.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18145 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/post-anodizing-1024x1024.jpg\" alt=\"procesul de anodizare post\" width=\"1024\" height=\"1024\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/post-anodizing-1024x1024.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/post-anodizing-980x980.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/post-anodizing-480x480.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sealing_Mechanisms\"><\/span>Mecanisme de etan\u0219are<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Este important s\u0103 sigila\u021bi stratul poros. Acest lucru va \u00eembun\u0103t\u0103\u021bi bariera de protec\u021bie. Le pute\u021bi sigila folosind ap\u0103 fierbinte (90-100\u00b0C timp de 15-30 de minute). Se creeaz\u0103 oxid de aluminiu hidratat.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dyeing_Process\"><\/span>Procesul de vopsire<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Coloran\u021bii organici sau anorganici acoper\u0103 stratul poros de oxid. \u00cen acest caz, produc\u0103torii pun piesele \u00een b\u0103i de vopsire la 50-60\u00b0C timp de 5-20 de minute. De asemenea, pulverizarea \u0219i acoperirea prin imersie distribuie culoarea \u00een mod egal.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thickness_Testing\"><\/span>Testarea grosimii<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-67.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18146 size-full\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-67.png\" alt=\"testarea grosimii \u00een aluminiu anodizat turnat sub presiune\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-67.png 800w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2025\/03\/Add-a-heading-67-480x300.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/a><\/p>\n<p>Microscopia transversal\u0103 m\u0103soar\u0103 grosimea. Dup\u0103 cum se arat\u0103 \u00een imagine, eticheta oxide reprezint\u0103 stratul de oxid, iar A1 este pentru suprafa\u021ba de aluminiu.<\/p>\n<p>Nivelul de grosime trebuie s\u0103 fie \u00een conformitate cu standarde precum ISO 7583. Cerin\u021ba se situeaz\u0103 \u00eentre 5-25 \u00b5m de tip 2 sau 25-100 \u00b5m de tip 3. De asemenea, \u00eencorporarea testului cu curent Eddy asigur\u0103 un fundament nedistructiv.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Anodizing_aluminum_die-casting_Corrosion_Testing\"><\/span>Anodizare aluminiu turnat sub presiune Testarea coroziunii<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Procesul care poate identifica dac\u0103 piesele se pot coroda sau nu este testul de pulverizare cu sare (ASTM B117). Produc\u0103torii pulverizeaz\u0103 piesele \u0219i le las\u0103 timp de 100-1000 de ore.<\/p>\n<p>Testul de spectroscopie de impedan\u021b\u0103 electrochimic\u0103 analizeaz\u0103 capacitatea stratului de oxid \u00een ceea ce prive\u0219te rezisten\u021ba la curen\u021bii electrici.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Quality_Standards\"><\/span>Standarde de calitate<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Calitatea este, \u00een general, pe primul loc. Astfel, piesele anodizate trebuie s\u0103 \u00eendeplineasc\u0103 standarde precum MIL-A-8625. Acest ghid despre porozitatea, grosimea \u0219i lipirea acceptabile.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Importance_of_pH_Control_in_Sealing\"><\/span>Importan\u021ba controlului pH-ului \u00een etan\u0219are<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Pentru a men\u021bine pH-ul b\u0103ii de etan\u0219are, este util\u0103 alegerea unui pH de 5,5-6,5 (pentru acetat de nichel) sau a unui pH neutru (ap\u0103 cald\u0103). Din acest motiv, exist\u0103 mai pu\u021bine \u0219anse de etan\u0219are incomplet\u0103.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Concluzie<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Metodele adecvate de anodizare vor face ca piesele din aluminiu turnat sub presiune s\u0103 devin\u0103 mai puternice. Acestea pot rezista mai eficient la coroziune \u0219i pot ar\u0103ta frumos. Tehnicile de turnare optimizate, aliajele adecvate \u0219i concentrarea precis\u0103 a anodiz\u0103rii genereaz\u0103 un rezultat cu calitate \u0219i durabilitate. Exist\u0103, de asemenea, standarde precum MIL-A-8625 din care produc\u0103torii pot ob\u021bine informa\u021bii adecvate privind finisarea.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Anodizing Aluminum Die Casting creates a protective surface. First, the aluminum die casting part is cleaned. Next, an electrical current in an acid bath forms an oxide layer. This layer strengthens the aluminum, boosting its resistance to wear. Finally, the anodized part can be dyed for color.\u00a0 Anodizing gives a product a specific color and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":18148,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[1152,328,679],"class_list":["post-18141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aluminium-alloy-castings","tag-anodizing-aluminum-die-casting","tag-anodizing-cast-aluminum","tag-anodizing-die-casting-aluminum"],"_links":{"self":[{"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/posts\/18141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/comments?post=18141"}],"version-history":[{"count":2,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/posts\/18141\/revisions"}],"predecessor-version":[{"id":20159,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/posts\/18141\/revisions\/20159"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/media\/18148"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/media?parent=18141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/categories?post=18141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/ro\/wp-json\/wp\/v2\/tags?post=18141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}