淬火温度对超高强度钢力学性能的影响

物理测试, 2009, 27(1): 34-45.

1.昆明理工大学材料与冶会工程学院,云南,昆明,650093;钢铁研究总院结构材料研究所,北京,100081

2.钢铁研究总院结构材料研究所,北京,100081

3.昆明理工大学材料与冶会工程学院,云南,昆明,650093

Effect of Quenching Temperature on Mechanical Properties of Ultra High Strength Steel

研究了890～1040℃加热淬火对超高强度钢未溶碳化物及力学性能的影响.结果表明:淬火加热温度上升到约1010℃,其奥氏体晶粒的长大还没有使板条马氏体束尺寸增加到明显降低钢的强度和韧性时,未溶碳化物MC含量却显著下降,使实验钢的冲击韧性达到峰值.

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