45#Taurin karfe bayan kashewa da zafin rai

Taurin 45 # karfe quenched da tempered sassa bayan quenching kamata isa HRC56 ~ 59, da kuma yiwuwar babban giciye-section ne m, amma ba zai iya zama ƙasa da HRC48.

Qunched da fushi na 45 # karfe 45# karfe ne matsakaici-carbon tsarin karfe mai kyau sanyi da zafi workability, da kyau inji Properties, low price da fadi da tushe, don haka shi ne yadu amfani. Babban rauni shi ne cewa yana da ƙananan ƙarfin ƙarfi, manyan ma’aunin giciye da manyan buƙatu don kayan aikin da ba su dace da amfani ba.

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The quenching zafin jiki na 45 # karfe ne A3 + (30 ~ 50) ℃. A cikin ainihin aiki, ana ɗaukar iyakar babba gabaɗaya. A mafi girma quenching zafin jiki na iya bugun sama dumama na workpiece, rage surface hadawan abu da iskar shaka, da kuma inganta aiki yadda ya dace. Domin homogenize da austenite na workpiece, isasshen lokacin riƙe ake bukata. Idan ainihin adadin tanderun da aka shigar yana da girma, lokacin riƙewa yana buƙatar tsawaita yadda ya kamata. In ba haka ba, za a iya samun rashin isasshen ƙarfi saboda rashin daidaituwar dumama. Duk da haka, idan lokacin riƙewa ya yi tsayi da yawa, ƙananan hatsi da kuma mummunan decarburization na oxidative zai faru.

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Quenching da tempering: Quenching da tempering ne mai biyu zafi magani na quenching da kuma high zafin jiki tempering, da kuma manufar shi ne ya sa workpiece da kyau m inji Properties. Ƙarfe mai kashewa da mai zafi yana da nau’i biyu: Carbon quenched da ƙwanƙarar ƙarfe da alloy quenched da ƙarfe mai zafi. Ko da kuwa ko karfen carbon ne ko karfen gami, ana sarrafa abun cikinsa sosai. Idan abun ciki na carbon ya yi yawa, ƙarfin aikin aikin bayan quenching da tempering yana da girma, amma taurin bai isa ba. Idan abun cikin carbon ya yi ƙasa da ƙasa, ƙarfin zai ƙaru kuma ƙarfin ba zai isa ba.