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Har yaushe aluminum oxidize da lalata bayan amfani?
Babban bangaren aluminum shine aluminum da ƙananan adadin abubuwan haɗin gwal.Wasu mutane suna tunanin cewa aluminum ba ta da sauƙi don oxidize saboda an sami ɗan canji a launi.A gaskiya ma, aluminum karfe ne mai aiki sosai, mai sauƙin oxidize fiye da ƙarfe.Dalilin da ya sa ba a bayyane shi ne saboda aluminum oxide da aka kafa bayan oxidation ba shi da launi kuma mai haske.Kuma wannan Layer na fim din oxide ya keɓance aluminium na ciki da hulɗar iska, don haka ba zai ci gaba da yin oxidize ba, don haka yana kare ma'aunin aluminum.Don haka aluminum yana dawwama ko da ba tare da jiyya ba.
Amma fim din oxide ba shi da haɗari, aluminum oxide yana aiki ga acid da alkali, a cikin yanayi tare da iska mai lalata, fim din oxide yana da sauƙin lalacewa, wanda ya haifar da lalata na aluminum substrate, lalacewa.Idan aka yi amfani da shi a waje, fitowar rana, da ruwan sama na acidic za su hanzarta lalata aluminum.Don haka tsawon lokacin da bayanin martabar aluminum zai yi oxidize da lalata idan aka yi amfani da shi shima ya dogara da yanayin muhalli da kuma maganin sa.A surface jiyya na aluminum profiles hada da anodic hadawan abu da iskar shaka, electrophoresis, spraying, electroplating, da dai sauransu. Anodic hadawan abu da iskar shaka hanya ne electrochemical hanya cewa samar da wucin gadi oxide film a saman aluminum profiles, wanda shi ne da yawa thicker fiye da ta halitta kafa oxide film kuma shi ne. resistant zuwa lalata ko da a cikin matsanancin yanayi na waje, kuma rayuwar sabis na ra'ayin mazan jiya na iya kaiwa shekaru 25.