1) a cikin austenite isothermal canji zane na hankula yankin, wato, game da 500-600 ℃, ruwa a cikin tururi film mataki, da sanyaya kudi ba sauri isa, sau da yawa haifar m sanyaya da kasa sanyaya.saurin ƙirƙirada kuma samuwar "laushi batu" A cikin martensite canji tsarin, wato, game da 300-100 ℃, da ruwa ne a cikin tafasasshen mataki, da sanyaya kudi ne da sauri sauri, sauki don sa martensite canji gudun ne da sauri. kuma yana haifar da yawan damuwa na ciki, yana haifar da nakasar ƙirƙira har ma da fashewa.

2) Ruwan zafin jiki yana da tasiri mai girma akan iyawar sanyaya, don haka yana kula da canjin yanayin yanayi. Yayin da yawan zafin jiki na ruwa ya tashi, ƙarfin kwantar da hankali yana raguwa sosai, kuma yawan zafin jiki na matsakaicin matsakaicin matsakaici yana motsawa zuwa ƙananan zafin jiki.Lokacin da yawan zafin ruwa ya wuce 30 ℃, yawan sanyaya yana raguwa sosai a cikin kewayon 500-600 ℃, wanda sau da yawa. take kaiwa zuwa hardening naƙirƙira, amma yana da kadan tasiri a kan sanyaya kudi a cikin kewayon martensite transformation.Lokacin da ruwa zafin jiki yakan zuwa 60 ℃, da sanyaya kudi zai ragu da game da 50%.

idan ruwan ya ƙunshi iskar gas mai yawa (kamar sabon ruwan da aka canza), ko kuma ruwan da aka gauraye da ƙazanta marasa narkewa, kamar mai, sabulu, laka, da sauransu, zai rage ƙarfin sanyaya sosai, don haka ya kamata a mai da hankali sosai ga amfani da sarrafa shi. .
Dangane da yanayin sanyaya na ruwa, ana iya amfani da ruwa gabaɗaya H ga sanyayawar carbonkarfe forgingstare da kananan sashe size da sauki shape.Quenching, dole ne kuma lura: kiyaye ruwan zafin jiki a kasa 40 ℃, mafi kyau tsakanin 15 zuwa 30 ℃, da kuma kiyaye ruwa ko ruwa wurare dabam dabam, don halakar da ƙirƙira surface tururi membrane, kuma iya amfani da lilo lilo. workpiece a lokacin quenching (ko sanya workpiece motsa sama da ƙasa) Hanyar don juyar da tururi membrane, ƙara da mataki na sanyaya tsakanin 500-650 ℃, da yanayin sanyaya, kauce wa samar da laushi mai laushi.