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4 EPT-7LN和EPT-7.5LN以及冷轧态样品在不同温度下拉伸的工程应力-应变曲线和加工硬化曲线

Fig.4 Mechanical response of the EPT-7LN, EPT-7.5LN and cold-rolled samples under tensile tests at different temperatures (a) engineering stress-strain curves and (b) strain-hardening rate curves