奥氏体316不锈钢中位错与氢的相互作用机理

安旭东, 朱特, 王茜茜, 宋亚敏, 刘进洋, 张鹏, 张钊宽, 万明攀, 曹兴忠

Interaction Mechanism of Dislocation and Hydrogen in Austenitic 316 Stainless Steel

AN Xudong, ZHU Te, WANG Qianqian, SONG Yamin, LIU Jinyang, ZHANG Peng, ZHANG Zhaokuan, WAN Mingpan, CAO Xingzhong

图1 不同退火条件316不锈钢样品电化学充氢前后S参数和ΔS与正电子入射能量(E)的关系曲线

Fig.1 S-E (a) and ΔS-E (b) curves of 316 stainless steel samples after hydrogen charging under different annealing conditions and hydrogen charging conditions of electrochemical cathode (S—the positron and free electron annihilation information, E—the positron incident energy, ΔS—the increment of S, ΔS2—the difference of S parameters between No.1 and No.2, ΔS4—the difference of S parameters between No.3 and No.4)