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3 高Cr马氏体耐热钢蠕变/时效过程中的沉淀相粗化和溶解行为[49,52]

Fig.3 Swallowing behaviors of Laves phases on M23C6 during aging (Insets show the corresponding selected area electron diffraction patterns)[49] (a, b) and the coarsening and dissolution behaviors of Cu-rich phases during creep (CRPs—Cu-rich precipitates)[52] (c, d) in high-Cr martensitic heat-resistant steels