Bambanci tsakanin Phosphating da Passivation magani a cikin ƙarfe ya ta'allaka ne a kan manufofinsu da hanyoyin su.

Phosphing hanya ce mai mahimmanci ga rigakafin lalata a cikin kayan ƙarfe. Makasudin sa sun hada da samar da kariya ta lalata a cikin tushe, suna yin hidimar a matsayin zanen da juriya da tsayayya da kayan shafa, kuma suna inganta a matsayin maig a cikin sarrafa ƙarfe. Ana iya rarrabe phosphoring cikin nau'ikan guda uku dangane da aikace-aikacen ta: 1) shafi phosphoring, 2) mai sanyi mai sanyi mai sanyi, da 3) phosphing na ado. Hakanan za'a iya rarraba shi ta nau'in phosphate da aka yi amfani da shi, kamar su phosphate, zinc -te, phosphate na ƙarfe, da kuma manganese phosphate. Ari ga haka, za a iya rarrabe Phosphating da zazzabi mai girma (sama da 80 ℃) Phosphating, ƙananan-zazzabi (kusan 40 ℃) phosphating, da kuma zazzabi-zazzabi (10-30 ℃) phosphating.

A gefe guda, ta yaya pasaninsa yake faruwa a cikin ƙarfe, kuma menene tsarin sa? Yana da mahimmanci a lura cewa phenenon ne wanda ke haifar da ma'amala tsakanin ƙarfe da kuma maganin maganin ko ta hanyar ɓoye abubuwan da ke cikin damuwa. Bincike ya nuna sakamakon tasirin kayan iska a kan ƙarfe a cikin jihar da aka fasalta. Gwaje-gwajen suna nuna cewa ci gaba da farfadowar ƙarfe yana haifar da matsala mara kyau a cikin mashin ƙarfe, kunna ƙarfe a cikin yanayin wucewa. Wannan yana nuna cewa Popomenon ne mai ban mamaki wanda ya faru lokacin da karuwa ya kasance tare da matsakaici a ƙarƙashin wasu yanayi. Passivical na lantarki yana faruwa yayin ƙirar ƙwayar cuta, yana haifar da canje-canje a cikin m ƙarfe ko salts a saman prooksido, ƙirƙirar fim ɗin m da haifar da possive pastivation. Batun sunadarai, a daya bangaren, ya shafi aikin da kai tsaye na wakilai na oxide3 a kan karfe, ko kuma ƙari fim ɗin ativatable passals kamar ni. A cikin abubuwan wucewa, maida hankali ga wakilin oxidizing bai kamata ya faɗi ƙasa da ƙima mai mahimmanci ba; In ba haka ba, hakan bazai iya shigar da tallafi ba kuma zai iya haifar da lalacewar ƙarfe na ƙarfe.