GCr15轴承钢时效过程碳化物的演化行为

刘震寰, 李勇翰, 刘洋, 王培, 李殿中

Carbide Evolution Behavior of GCr15 Bearing Steel During Aging Process

LIU Zhenhuan, LI Yonghan, LIU Yang, WANG Pei, LI Dianzhong

图7 时效不同时间样品二次裂纹的SEM照片

Fig.7 Morphology of secondary cracks in samples for different aging time (a, b) before aging, (c, d) aging for 3000 h