液氮电脉冲处理超细晶316L不锈钢的低温拉伸性能

董宇昂, 阳华杰, 贲丹丹, 马云瑞, 周相海, 王斌, 张鹏, 张哲峰

Excellent Cryogenic Tensile Properties of Ultra-fine Grained 316L Stainless Steel after Electropulsing Treatment in Liquid Nitrogen

DONG Yu'ang, YANG Huajie, BEN Dandan, MA Yunrui, ZHOU Xianghai, WANG Bin, ZHANG Peng, ZHANG Zhefeng

图6 用TEM照片表征试样在拉伸变形后的微观组织特征

Fig.6 TEM images show the tensile deformed microstructures of the sample (a) EPT-7LN-293 K; (b) EPT-7.5LN-293 K; (c) EPT-7LN-77 K; (d) EPT-7.5LN-77 K