The quenching na gilashin shi ne don zafi da gilashin samfurin zuwa mika mulki zazzabi T, sama 50 ~ 60 C, sa'an nan kuma sauri da kuma uniformly kwantar da shi a cikin sanyaya matsakaici (quenching matsakaici) (kamar iska-sanya quenching, ruwa-sanya quenching, da dai sauransu) Layer da surface Layer zai haifar da babban babban gradient, da kuma sakamakon da danniya da danniya ne m saboda haka zafi da zafi gradient. an halicci jihar. Ainihin ƙarfin gilashin ya fi ƙasa da ƙarfin ka'idar. Bisa ga tsarin karaya, gilashin za a iya ƙarfafa ta hanyar samar da matsa lamba a kan gilashin gilashin (wanda aka sani da zafin jiki), wanda shine sakamakon abubuwan inji da ke taka muhimmiyar rawa.
Bayan sanyaya, yanayin zafin jiki yana sharewa a hankali, kuma an canza danniya mai annashuwa zuwa mafi kyawun damuwa, wanda ya haifar da rarraba nau'in damuwa mai mahimmanci a kan gilashin gilashi. Girman wannan damuwa na ciki yana da alaƙa da kauri na samfurin, ƙimar sanyaya da haɓakar haɓakawa. Sabili da haka, an yi imanin cewa lokacin da gilashin bakin ciki da gilashi tare da ƙananan haɓakaccen haɓakawa sun fi wuya a kashe kayan gilashin da aka kashe, abubuwan tsarin suna taka muhimmiyar rawa; , shi ne ma'aunin injiniya wanda ke taka muhimmiyar rawa. Lokacin da aka yi amfani da iska a matsayin matsakaiciyar kashewa, ana kiranta mai sanyayawar iska; idan aka yi amfani da ruwa irin su maiko, hannun siliki, paraffin, resin, kwalta, da sauransu a matsayin matsakaiciyar kashewa, ana kiran sa mai sanyaya quenching. Bugu da kari, ana amfani da gishiri irin su nitrates, chromates, sulfates, da sauransu. A karfe quenching matsakaici ne karfe foda, karfe waya taushi goga, da dai sauransu.
Lokacin aikawa: Maris-30-2023