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4 粉末涡轮盘三维残余应力的中子测试与模拟结果对比[49]

Fig.4 The residual stress distributions along hoop (a, c) and radial (b, d) directions of turbine disk by neutron diffraction measurement (a, b) and finite element simulation (c, d)[49](The insert illustrations in Figs.4b and c represent the measuring positions. δ denotes the measurement depth from surface)