金属材料的组织定制

李殿中, 王培

Tailoring Microstructures of Metals

LI Dianzhong, WANG Pei

图4 M50钢疲劳试样中的裂纹萌生区域形貌及EDS

Fig.4 Morphology and EDS element mappings of crack initiation region in tension-compression fatigue specimens of M50 steel (a-c) (FGA—fine grain area)