2017年3月12日 · 淬火quench,To cool (hot metal) by thrusting into water or other liquid.回火temper,To harden or strengthen (metal or glass) by application of heat or by heating and cooling.退火anneal,To subject (glass or metal) to a process of heating and slow cooling in order to toughen and reduce brittlen正火normalizing,Normalizing is a type of heat treatment applicable to ferrous metals only.