高温合金盘锻件制备过程残余应力的演化规律及机制
毕中南,秦海龙,董志国,王相平,王鸣,刘永泉,杜金辉,张继

Residual Stress Evolution and Its Mechanism During the Manufacture of Superalloy Disk Forgings
Zhongnan BI,Hailong QIN,Zhiguo DONG,Xiangping WANG,Ming WANG,Yongquan LIU,Jinhui DU,Ji ZHANG
表1 几种典型盘锻件用高温合金的化学成分及组织性能特征[28,29,30]
Table 1 Chemical composition and precipitation behavior and room temperature yield strength of typical disk used superalloys[28,29,30]

Alloy

Mass fraction of element / %Precipitation

σs

MPa

CCrNbTiAlMoWCoFeNim / %t / s
GH4169[28]0.0318.05.40.90.52.9--18.0Bal.16548367
GH4738[29]0.0319.5-3.11.34.3-13.5-Bal.2120658
GH4720Li[30]0.0216.0-5.02.52.81.215.0-Bal.422990