研究了淬火温度对含碳量为0.9%～1.0%的ZK钢薄片小零件脆性和弹性的影响。结果表明:在本试验范围内,若淬火温度较低,由于非马氏体组织的存在,弹性很差;若淬火温度较高,由于粗大马氏体的存在,脆性很大;对于薄片类小零件,淬火时从离开炉膛到落入油槽下落过程的温度降低不容忽视,加热温度应略高于淬火温度。 The effect of quenching temperature on the brittleness and elasticity of small parts of ZK steel with carbon content of 0.9% ~ 1.0% was studied. The results show that if the quenching temperature is low, the elasticity is poor due to the existence of non-martensite in the scope of this test; if the quenching temperature is high, the brittleness is large due to the presence of coarse martensite; Parts, quenching from the furnace to fall into the oil tank falling process can not be ignored, the heating temperature should be slightly higher than the quenching temperature.