白斑缺陷对GH4586合金组织和力学性能的影响

谭海兵, 黄烁, 王静, 李姝, 朱昌洪, 钟燕, 钟世林, 何爱杰

Influence of White Spot Defects on Microstructure and Mechanical Property of the GH4586 Alloy

TAN Haibing, HUANG Shuo, WANG Jing, LI Shu, ZHU Changhong, ZHONG Yan, ZHONG Shilin, HE Aijie

表4 基于Jmatpro软件计算得到的GH4586合金凝固相图和热力学平衡相图中各相的化学组成 (atomic fraction / %)

Table 4 Compositions of second phases in the solidification phase diagram and thermodynamic phase diagram of the GH4586 alloy calculated by Jmatpro software

Phase Method Ni Al Co Cr Mo Ti W C MC SPD - - - 0.20 0.37 52.25 0.62 46.56 σ SPD 23.47 0.05 11.46 39.13 25.49 - 0.39 - η SPD 66.37 1.91 8.76 0.27 - 22.70 - - MC TPD - - - 0.35 0.33 48.70 2.67 47.95 σ TPD 16.52 0.00 18.95 54.89 9.51 - 0.13 - γ′ TPD 71.95 10.23 3.15 1.80 0.09 12.39 0.40 - M6C TPD 26.60 - 2.84 20.19 32.89 - 3.19 14.29 M23C6 TPD 3.02 - 1.28 64.96 10.00 0.00 0.04 - P TPD 27.34 - 7.74 30.76 25.01 - 9.15 - μ TPD 23.82 - 21.14 20.53 29.54 - 4.97