奥氏体耐热钢Sanicro25蠕变行为和断裂特征

吕德超, 曹铁山, 程从前, 周彤彤, 赵杰

Creep Behavior and Fracture Characteristic of Austenitic Heat-Resistant Steel Sanicro25

LV Dechao, CAO Tieshan, CHENG Congqian, ZHOU Tongtong, ZHAO Jie

图8 Sanicro 25钢在1023K和220MPa蠕变后的TEM结构特征

Fig.8 TEM microstructural characteristics of Sanicro 25 steel after creep at 1023 K and 220 MPa (a) Interaction of dislocations with fine precipitates. HRTEM micrograph and corresponding to SAED pattern; (b) Cu-rich phase (c) Nb (C, N)