深冷循环对SiC/Al复合材料宏微观残余应力的影响

谷黎明, 冯效铭, 于朝, 张峻凡, 刘振宇, 何伦华, 卢怀乐, 李小虎, 王晨, 张晓东, 肖伯律, 马宗义

Impact of Cryogenic Cycling on the Macro and Microscopic Residual Stress in SiC/Al Composites

GU Liming, FENG Xiaoming, YU Zhao, ZHANG Junfan, LIU Zhenyu, HE Lunhua, LU Huaile, LI Xiaohu, WANG Chen, ZHANG Xiaodong, XIAO Bolv, MA Zongyi

图6 D120试样深冷循环前后Al和SiC的相应力

Fig.6 Internal stresses of Al phase (a-c) and SiC phase (d-f) of D120 sample before and after cryogenic cycles (a, d) annealed stress distributions (b, e) stress distributions of 1 cryogenic cyc (c, f) average stress diagrams of different cryogenic cycles