高Cr马氏体耐热钢的协同强化机制及形变热处理应用

张竟文, 余黎明, 刘晨曦, 丁然, 刘永长

Synergistic Strengthening of High-Cr Martensitic Heat-Resistant Steel and Application of Thermo-Mechanical Treatments

ZHANG Jingwen, YU Liming, LIU Chenxi, DING Ran, LIU Yongchang

图1 高Cr马氏体耐热钢微观组织特征[11]及协同强化机制

Fig.1 Microstructure characteristics and synergistic strengthening of the high-Cr martensitic heat-resistant steels (a) schematic diagram[11] (PAGs—prior austenite grains) (b) synergistic strengthening of lath interfaces, dislocations, and precipitates