镍基合金焊接裂纹研究现状

余磊, 曹睿

Welding Crack of Ni-Based Alloys: A Review

YU Lei, CAO Rui

表1 Ni-P、Ni-S、Ni-B和Ni-Si系统中平衡分配系数、最大固溶度和最终共晶温度[2]

Table 1 Equilibrium distribution coefficient, maximum solid solubility (mass fraction) and final eutectic temperature[2]

System k Maximum solubility / % Final eutectic temperature / oC Ni-P 0.02 0.32P 870 Ni-S About 0 About 0S 637 Ni-B 0.04 0.7B 1093 Ni-Si 0.7 8.2Si 1143