新型奥氏体耐热不锈钢再结晶行为及其对力学性能的影响

周德强, 刘雄军, 吴渊, 王辉, 吕昭平

RECRYSTALLIZATION BEHAVIOR AND ITS INFLU- ENCES ON MECHANICAL PROPERTIES OF AN ALUMINA-FORMING AUSTENITIC STAINLESS STEELS

ZHOU Deqiang, LIU Xiongjun, WU Yuan, WANG Hui, LV Zhaoping

表1 AFA不锈钢在1373, 1423和1473 K再结晶处理不同时间后的再结晶晶粒尺寸

Table 1 Grain sizes of the AFA stainless steel recrystallized at 1373, 1423 and 1473 K for different times

Temperature / K Time / h Grain size / mm 1373 0.5 13.3 1 60.9 2 67.0 4 91.3 1423 0.5 59.7 1 85.2 2 98.3 1473 0.5 75.2 1 101.2 2 118.8