Hardenability da taurin su ne fihirisar aikin da ke nuna ikon kashewaƙirƙira, kuma su ne mahimmin tushe don zaɓar da amfani da kayan.Taurishine iyakar taurin da aƙirƙiraiya cimma a karkashin manufa yanayi.Babban factor kayyade hardening mataki naƙirƙirashine abun ciki na carbonƙirƙira, ko fiye daidai da carbon abun ciki na m bayani a austenite a lokacin quenching da dumama. Mafi girman abin da ke cikin carbon shine, mafi girman matakin ƙarfin ƙarfe na ƙarfe zai kasance.Ko da yake abubuwan da ke tattare da ƙarfe a cikin ƙarfe ba su da tasiri sosai akan ƙarfin ƙarfe, suna da tasiri mai yawa akan ƙarfin ƙarfe.
Hardenability shine halayyar da ke ƙayyade zurfin da taurin rarraba taurin karfe a ƙarƙashin ƙayyadaddun yanayi. Wato, ikon samun zurfin zurfin Layer lokacin da karfe ya taurare, wanda shine ainihin dukiya na karfe. quenching sanyaya adadin aƙirƙira karfe.

Bayan quenching, da metallographic tsarin da taurin rarraba masu lankwasa ana lura a kan giciye sashe na sanyaya matsakaici. Layin sashe shine martensite kuma sauran an raba su zuwa wuraren da ba Martensite ba, watau, tsarin kafin quenching. Ana iya gani daga adadi cewa yankin martensite na sandar karfe a hannun dama ya fi zurfi, don haka taurinsa ya fi kyau, taurin martensite na kayan a gefen hagu ya fi girma, wato, hardening ya fi kyau.The sanyaya kudi daga wuri zuwa wuri wuri. matsakaicin, kuma saurin sanyi yana raguwa yayin da cibiyar ta isa cibiyar. Idan saurin sanyaya na saman da tsakiyar ƙirƙira ya fi girma mai mahimmancin sanyaya saurin ƙarfe na ƙirƙira, ana iya samun tsarin martensite tare da duk sashin ƙirƙira, wato, ƙirar ƙarfe ta ƙare gaba ɗaya.
A cikin samarwa, ingantaccen hardenability na karfeƙirƙirayawanci ana bayyana shi ta zurfin zurfin Layer mai ƙarfi mai ƙarfi, wato, nisa na tsaye daga saman da aka auna zuwa 50% (juzu'in juzu'i) na martensite. Hakanan yana da amfani don auna nisa a tsaye daga saman zuwa ƙayyadadden ƙayyadaddun taurin don nuna zurfin ingantaccen hardening Layer.Misali, induction hardening zurfin (DS) da kuma sinadari zafi magani zurfin (DC) ana auna ta wuya daga saman zuwa a tsaye kayyade.
Rarraba inji sassa makamashi bayan quenching da tempering naƙirƙiratare da daban-daban hardenability aka nuna a cikin Figure.High hardenability na inji Properties tare da giciye sashe ne uniform rarraba, da kuma quench shigar azzakari cikin farji na low, low inji Properties na zuciya, tauri ne m.Wannan shi ne saboda bayan tempered.karfe forgingstare da high hardenability, su tsarin daga surface zuwa ciki ne granular tempered Soxhlet, wanda yana da high bremsstrahlability, yayin da karfe tare da low hardenability yana flaccid ferrite a zuciyarsa, wanda yana da low bremsstrahlability.
(daga duan168.com)