The substrate ikon rufi karfe takardar da aka yi da tutiya-aluminum-magnesium (ZM) gami shafi.Dangane da fasahar galvanizing na gargajiya, an ƙara wani yanki na aluminum da magnesium don samar da suturar gami da zinc-aluminum-magnesium gami.An kafa tsarin eutectic wanda ya ƙunshi aluminum da magnesium a cikin sutura, wanda ya inganta ingantaccen juriya da juriya na yanayin.Yana da takamaiman aikin warkar da kai ta atomatik don yanke, karce da lalacewa da aka haifar yayin sarrafa takardar ƙarfe, sufuri da shigarwa.Gwaje-gwaje sun nuna cewa bayan lalatawar gishiri, samfuran lalata da ke ɗauke da magnesium da aluminum suma sun bayyana a yanke farantin karfe.Rashin ƙarancin aiki da yanayin yanayin waɗannan samfuran lalata suna ware yanke daga ruwa na yanayi da iskar oxygen, suna samar da ingantaccen Layer na kariya.Sabili da haka, ko da murfin guduro ya lalace, tutiya-aluminum-magnesium gami Layer har yanzu yana da kyakkyawan juriya na lalata da juriya na yanayi.Har zuwa wani matsayi, wannan yana guje wa haɗarin lalata da ke haifar da tabo, yankewa, da naushi waɗanda ke da wuyar faruwa yayin shigar da takardar karfe.
