晶界取向差对双晶高温合金常温和高温拉伸性能的影响

马修戈, 吴庆辉, 庞建超, 刘增乾, 李守新, 骆凯伦, 张哲峰

Effect of Grain Boundary Misorientation on Tensile Properties of Bi-crystal Superalloy at Ambient and High Temperatures

MA Xiuge, WU Qinghui, PANG Jianchao, LIU Zengqian, LI Shouxin, LUO Kailun, ZHANG Zhefeng

图11 晶界取向差对DD6双晶样品拉伸断裂机制的影响

Fig.11 Effect of GB misorientation on tensile fracture mechanism of DD6 bicrystal samples (a) cleavage-like fracture, (b) intergranular fracture