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9 760 ℃不同断裂方式的拉伸断口

Fig.9 Tensile fracture at 760 ℃ (a, b) 4°, (c, d) 12°