取向偏差对镍基单晶高温合金钎焊接头组织与力学性能的影响

赵旭,孙元,侯星宇,张洪宇,周亦胄,丁雨田

Effect of Orientation Deviation on Microstructure and Mechanical Properties of Nickel-Based Single Crystal Superalloy Brazing Joints

Xu ZHAO,Yuan SUN,Xingyu HOU,Hongyu ZHANG,Yizhou ZHOU,Yutian DING

表2 图3中0°+0°取向匹配单晶钎焊接头成分 (atomic fraction / %)

Table 2 Compositions of the 0°+0° orientation combination single crystal superalloy brazed joint in Fig.3 (atomic fraction / %)

Zone Ni Cr Co W Mo Al Ti Ta Nb Si B Ⅰ 62.8 10.6 12.4 3.2 - 5.4 0.9 2.3 2.1 0.3 - Ⅱ 63.2 12.5 10.2 3.5 - 4.3 1.3 0.8 2.2 0.5 1.5