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 na zafin jiki, kuma sakamakon da aka samu yana annashuwa saboda kwararar gilashin, don haka yanayin zafi amma ba a haifar da yanayin damuwa ba.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 dai sauransu a matsayin matsakaiciyar kashewa, ana kiransa quenching mai sanyaya ruwa.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-04-2022