Dalilin da yasa muke zaɓar aluminum don ado shine saboda tsarinsa ya fi kwanciyar hankali, kuma yana da juriya na lalata a cikin dogon lokaci.Duk da haka, wasu bayanan martaba na aluminum za su sami lalata a saman, wanda ya fi dacewa saboda takin kayan da ba daidai ba yayin masana'anta.
1. A cikin aiwatar da simintin gyare-gyare, adadin magnesium da silicon bai dace ba, kamar kasancewar wasu silica na ragi, wanda ke da ƙananan siliki a cikin kyauta, zai samar da mahadi na ternary a cikin aluminum gami a lokaci guda. .Wadannan nau'o'in ƙazanta da ba za a iya narkewa ba ko matakan ƙazanta na kyauta da aka samu a cikin gami suna taruwa a kan iyakar hatsi, kuma suna raunana ƙarfi da taurin iyakar hatsi a lokaci guda, sun zama mafi raunin haɗin gwiwa na juriya na lalata, kuma lalata ta fara farawa daga can.
2. A cikin aiwatar da narkewa, ko da yake adadin magnesium da silicon yana cikin ma'auni, amma wani lokacin saboda rashin daidaituwa da rashin daidaituwa, yana haifar da rarrabawar siliki a cikin narke, akwai wurare masu wadata da wurare masu talauci.Ƙananan silica na kyauta a cikin matrix aluminum ba kawai zai rage juriya na lalata ba, amma har ma da girman girman hatsi na gami.
3. The iko da daban-daban fasaha sigogi a lokacin extrusion, kamar mashaya preheating zafin jiki ne ma high, da karfe extrusion kwarara kudi, da iska sanyaya ƙarfi a lokacin extrusion, tsufa zafin jiki da kuma rike lokaci da sauran m iko ne sauki don samar da silicon segregation da kuma dissociation, don haka magnesium da silicon ba gaba daya zama Mg2Si, akwai wasu free silicon.
A takaice dai, idan saman bayanin martabar aluminium yana da sauƙin lalata a cikin amfani, saboda ingancin ma'aunin bayanin martabar aluminum ya yi ƙasa da samarwa, don haka yakamata mu sami ƙwararrun masana'anta lokacin zabar bayanin martabar aluminum, don haka bayanin martabar aluminum ku zabi zai zama mafi aminci.
Lokacin aikawa: Mayu-10-2022
