Babban bambanci tsakaninaustenitic bakin karfekuma ferritic bakin karfe ya ta'allaka ne a cikin tsarin su da kaddarorin su.
Austenitic bakin karfe kungiya ce da ta tsaya tsayin daka a yanayin zafi sama da 727°C.Yana baje kolin robobi mai kyau kuma shine tsarin da aka fi so don yawancin karafa da ke jurewa sarrafa matsi a yanayin zafi mai tsayi.Har ila yau, austenitic karfe ba Magnetic karfe.
Ferrite shine ingantaccen bayani na carbon da aka narkar da shi a cikin α-iron, sau da yawa alama kamar F. Inbakin karfe, "ferrite" yana nufin ƙaƙƙarfan bayani na carbon a cikin α-baƙin ƙarfe, wanda ke da ƙayyadaddun ƙarancin carbon.A dakin da zafin jiki, zai iya narkar da har zuwa 0.0008% carbon kawai, ya kai matsakaicin matsakaicin carbon solubility na 0.02% a 727 ° C, yayin da yake riƙe da lattice mai siffar jiki.An fi wakilta shi da alamar F.
A gefe guda, ferriticbakin karfeyana nufin bakin karfe wanda galibi ya ƙunshi sifa mai ƙarfi yayin amfani.Yana ƙunshe da chromium a cikin kewayon 11% zuwa 30%, yana nuna tsarin kristal mai ɗabi'ar jiki.Abin da ke cikin baƙin ƙarfe na bakin karfe ba shi da alaƙa da ko an lasafta shi azaman bakin karfe na ferritic.
Saboda ƙarancin abun ciki na carbon ɗin sa, bakin karfe na ferritic yana nuna kaddarorin kama da ƙarfe mai tsabta, gami da ingantaccen filastik da tauri tare da ƙimar elongation (δ) na 45% zuwa 50%.Duk da haka, ƙarfinsa da taurinsa ba su da ɗanɗano kaɗan, tare da ƙarfi mai ƙarfi (σb) na kusan 250 MPa da taurin Brinell (HBS) na 80.
Lokacin aikawa: Dec-25-2023