Kayan kwalliyar kayan aikin, launin toka-jefa sassan ƙarfe
Iron da launin toka mai launin toka yana da kyakkyawan aikin simintin, kyakkyawan rawar jiki, kyakkyawan sanadin juriya, kyakkyawan yankan aiki da kuma sananniyar aiki da kuma m baitar.
Kadarorin launin toka na baƙin ƙarfe
① sakamakon sunadarai na sunadarai. Proki Gomawa yana sarrafa ƙimar ingancin Carbon da Silicon. Carbon da silibon ingancin silicon ya ragu sosai, jefa baƙin ƙarfe yana da sauƙin bayyana farin farin nama, aikin injin da kuma aikin sasiki suna da ƙasa sosai; Lokacin da carbon da qarancin silicon ya yi yawa, takardar zane mai hoto yana da girma da kauri, har ma da zane-zanen ruwa a saman ruwan baƙin ƙarfe, rage aikin da ingancin simintin. Saboda haka, abun ciki na carbon da silicon a cikin launin toka mai launin toka ne a kullum a 2% ~ 4% c; 1.0% ~ 2.0% si; 0.5% ~ 1.4% mn.
Thitfin saurin sanyaya: a ƙarƙashin wasu yanayin tsarin simintin, saurin sanyaya yana da tasiri sosai akan matsayin hoto. Tare da bango daban-daban na simintin, saurin sanyi yana saurin raguwa, carbon atoms suna da isasshen lokaci mai yaduwa, yana da dacewa da cikakken tsarin zazzabi, bearamin zazzabi yana da sauƙin kafa launin toka. Amma sassan da ke bakin ciki-walled a cikin sanyi tsari sun yi sauri, mai sauƙin kafa farin ƙarfe nama.
Jiyya mai zafi na launin toka na baƙin ƙarfe kawai zai iya canza ƙungiyar matrix kawai, ba siffar hoto mai hoto ba, don haka ba shi yiwuwa a inganta mahimmancin kayan miya na baƙin ƙarfe. Kula da zafi na launin toka mai baƙin ƙarfe ne don kawar da damuwa na ciki da fari na ƙwayar cuta, haɓaka rawar da ke tattare da sanya juriya.
Kawar da damuwa na ciki
Don kawar da damuwa da jingina wanda m sanyewa a lokacin aiwatar da gyada, kuma hana nakasassu da crack na simintin. Tsarin shine zafi ga jefa zuwa 500 ~ 600 digiri, rufi na wani lokaci tare da wutar lantarki na tsawon lokaci, saboda haka wani nau'in baƙin ƙarfe ne "wani lokacin baƙin ƙarfe ne".
Yi hoto
Don kawar da farin ruwan da aka yi, rage wuya, haɓaka aikin yankan. Hanyar ita ce zafi da jefa kuri'a zuwa 850 ~ 900 digiri, ajiye sanyaya a cikin yanayin zafi da kuma cikar sanyaya don samar da zane mai zafi.
Case Hardening
Inganta rawar jiki da kuma mika rayuwar sabis. Misali, aikin aiki na farfajiya na kayan aikin injin da kuma wurin aiki na bangon na ciki ya zama dole don samun babban ƙarfi da kuma sa juriya, za a iya amfani da hanyar sama. Hanyoyin gama gari suna da girma (matsakaici) sakamakon haifar da dumama-dumu da ke damuna da sadar da juriya dumama surface
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