基于中子与同步辐射技术的工程材料/部件多尺度残余应力评价

李时磊, 李阳, 王友康, 王胜杰, 何伦华, 孙光爱, 肖体乔, 王沿东

Multiscale Residual Stress Evaluation of Engineering Materials/Components Based on Neutron and Synchrotron Radiation Technology

LI Shilei, LI Yang, WANG Youkang, WANG Shengjie, HE Lunhua, SUN Guang'ai, XIAO Tiqiao, WANG Yandong

图1 3类残余应力的作用范围及其导致的衍射峰变化

Fig.1 The scale of three types of residual stress (a) and the resulting change in diffraction peaks (b) (σ I, σ II, and σ III represent macroscopic residual stress (type I), intergranular microstress (type II), and intragranular ultra microstress (type III), respectively; subscripts α and β indicate α phase and β phase, respectively)