Coefficient na fadadawa nadaidai karfe bututu

Bincika hanyar da za a iya amfani da ita a cikin tanda mai sabulu da ruwa mai sabulu don goge kowane raƙuman haɗin gwiwa, don ganin ko za a kunna gas;Wuraren da iskar gas ya fi dacewa ya shiga cikin bututun tanderun wuta da sanya bututun a wurin, wannan wurin hatimin yana da rauni musamman ga lalacewa da tsagewa, Koyaushe bincika sau da yawa yana canzawa.Gabatar da yi da kafa na daidai karfe pretreatment tsari makirci;nazarin yanayin zafin jiki na daidaitawa, riƙe lokaci da tasirin sanyaya tasirin bututun albarkatun ƙasa microstructure da kaddarorin inji;kayyade al'ada normalizing tsari daidai karfe shambura: dumama zafin jiki (890 ± 10) ℃, iska sanyaya bayan rike 6min interspersed.Al'ada normalizing tsari za a iya gaba daya shafe madaidaicin karfe Widmanstaten don dace da yawan amfanin ƙasa ƙarfi da tensile ƙarfi ne mafi m yawan amfanin ƙasa rabo σS / bσ≤0.78, elongation 5δ≥30%, kuma ƙwarai inganta sanyi formability kauce wa sanyi-kafa crack.Ƙididdigar faɗaɗawa za a iya bayyana ta ƙarar ko tsayi yawanci ana bayyana ta cikin tsayin.

Dinsity shine yawan adadin kayan a kowace juzu'in juzu'in abu, sashin shine kg / m3 ko 1b / in3.Matsalolin da aka yi amfani da su na jujjuyawa galibi daga raguwar damuwa da aka haifar a cikin na'urar yayin aikin walda.A halin yanzu, yadu amfani da injiniya annealing jiyya don kawar da saura danniya bayan waldi sanyaya, da kuma sanyaya bayan waldi saura danniya ne mai muhimmanci tsari, wannan hanya shi ne ɓata makamashi da kuma sauki samun mafi girma waldi saura danniya.Maganin zafi na bayan walda sabuwar fasaha ce don kawar da ragowar damuwa.Kafin waldi daidaici karfe bututu ne preheated zuwa zafin jiki na zafi magani da waldi tsari weldment ci gaba dumama don kula da wannan zafin jiki, da yin amfani da waldi da aka kammala auduga rufi a yarda ya kwantar da hankali.Quenching karfe bututu don ƙara ƙarfi da taurin, amma don rage su filastik.Quench hardening agent wanda akafi amfani dashi a cikin ruwa, mai, gishiri da maganin alkali da makamantansu.Za a sami madaidaicin madaidaicin ƙarfe mai taurare madaidaicin ƙarfe ya sake mai zafi zuwa wani zafin jiki, sannan wasu hanyoyin sanyaya da aka sani da tempering.Manufarsa ita ce kawar da damuwa na ciki da aka haifar ta hanyar quenching don rage taurin da kuma raguwa, don samun kayan aikin injiniya da ake so.Tempering yana nuna yanayin zafi mai zafi, zafi da ƙarancin zafin jiki na nau'i uku.Multi-quenching da tempering, normalizing amfani a tare.Bayan quenching da tempering quenching hanyar da ake kira quenching.