Ƙarƙashin gilashin shine don zafi da samfurin gilashin zuwa yanayin zafin jiki na T, sama da 50 ~ 60 C, sa'an nan kuma da sauri da kuma daidaita shi a cikin yanayin sanyaya (matsakaici na quenching) (kamar iska mai sanyaya quenching, ruwa mai sanyaya quenching). Da dai sauransu) Layer da Layer Layer za su haifar da babban zafin jiki mai zafi, kuma sakamakon damuwa yana shakatawa saboda ruwan gilashin danko, don haka yanayin zafi amma babu damuwa. 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, ana share gradient zafin jiki a hankali, kuma an canza danniya mai annashuwa zuwa mafi kyawun damuwa, wanda ke haifar da nau'in damuwa da aka rarraba iri ɗaya a saman gilashin. Girman wannan damuwa na ciki yana da alaƙa da kauri na samfurin, ƙimar sanyaya da haɓaka haɓaka. 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; , shine ma'aunin inji 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 ƙari, 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