Hanyar quenching isothermal pre-sanyi

Pre-sanyi isothermal quenching Hanyar: wanda kuma aka sani da dumama isothermal quenching, da sassa da aka fara sanyaya a cikin wani wanka tare da ƙananan zafin jiki (mafi girma fiye da Ms), sa’an nan kuma canjawa wuri zuwa wani wanka tare da mafi girma zafin jiki don sa austenite sha isothermal canji. Ya dace da sassan karfe tare da rashin ƙarfi mara ƙarfi ko manyan kayan aikin da dole ne a cire su.