非均质组织对高强度风电钢拉伸性能的影响

陈子豪, 高崇, 庞建超, 麻衡, 何康, 李小武, 李守新, 张哲峰

Effect of Different Heterogeneous Microstructures on Tensile Properties of a High Strength Wind Power Steel Q500MD

CHEN Zihao, GAO Chong, PANG Jianchao, MA Heng, HE Kang, LI Xiaowu, LI Shouxin, ZHANG Zhefeng

图7 不同制度热处理后500 MPa级风电钢的拉伸断口形貌

Fig.7 SEM images showing the tensile fracture surface morphologies of 500 MPa grade wind power steels with different heat treatment technologies (a, e) OS, (b, f) IA, (c, g) QIA, (d, h) QIAT