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1 CMSX-4单晶高温合金与JSSNi60A镍基钎料的成分 (mass fraction / %)

Table 1 Compositions of CMSX-4 single crystal superalloy and JSSNi60A Ni-based braze alloy (mass fraction / %)

Material Co Cr W Mo Al Ti Si B Re Ni CMSX-4 9.3~10.0 8.5 6.0~6.6 0.5~0.7 5.4~5.7 0.9~1.1 - - 2.8~3.0 Bal. JSSNi60A 5.0~10.0 6.0~12.0 2.0~6.0 2.0~5.0 2.0~5.0 0.5~3.0 0.2~4.0 0.2~2.0 - Bal.