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

表1 DD6高温合金的名义成分

Table 1 Nominal composition of DD6 superalloy (mass fraction, %)

Co Cr Al Mo W Ta Re Nb Hf C Ni 9 4.3 5.6 2 8 7.5 2 0.5 0.1 0.006 Bal.