回火温度对一种Fe-Cr-Ni-Mo高强钢碳化物及其力学性能的影响*

温涛, 胡小锋 宋元元, 闫德胜, 戎利建

EFFECT OF TEMPERING TEMPERATURE ON CARBIDE AND MECHANICAL PROPERTIES IN A Fe-Cr-Ni-Mo HIGH-STRENGTH STEEL

WEN Tao, HU Xiaofeng, SONG Yuanyuan, YAN Desheng, RONG Lijian

表1 不同回火温度所对应的碳化物的类型、尺寸及成分

Tempera- ture / ℃ Type Size / nm Alloying element R S1 S2 R S1 S2 R S1 S2 400 M3C M7C3 M7C3 1000 150 20~50 Fe, Cr, Mn Fe, Cr, Mn Fe, Cr, Mn 500 M3C M7C3 M2C 800 150 20~50 Fe, Cr, Mn Fe, Cr, Mn, Mo Fe, Cr, Mn, Mo 600 M2C M6C 150~200 20~50 Fe, Cr, Mo, V Fe, Cr, Mo, V 650 M2C MC 80~100 50~80 Fe, Cr, Mo, Mn, V Fe, Cr, Mo, Mn, V