淬火冷却速率对海洋平台用Ni-Cr-Mo-B钢性能的影响

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Effect of Quenching Cooling Rate on Mechanical Properties of a Ni-Cr-Mo-B Steel for Offshore Platform

ZHANG Shouqing, HU Xiaofeng, DU Yubin, JIANG Haichang, PANG Huiyong, RONG Lijian

图3 不同组织局部放大的高倍SEM照片

Fig.3 Locally magnified SEM images of the zones marked by solid lines in Fig.2. (Fig.3a is the magnified image of the zone ‘A’ in Fig.2a. Fig.3b is the magnified image of the zone ‘B’ in Fig.2c. Figs.3c and 3d are the magnified images of the zones ‘C’ and ‘D’ in Fig.2h, respectively. Figs.3e~g are the magnified images of the zones ‘E’, ‘F’ and ‘G’ in Fig.2i, respectively)