FGH4720Li粉末高温合金在近服役条件下的组织与力学性能演变规律

李大禹, 姚志浩, 赵杰, 董建新, 郭婧, 赵宇

Evolution of Microstructure and Mechanical Properties of FGH4720Li P/M Superalloy Under Near-Service Conditions

LI Dayu, YAO Zhihao, ZHAO Jie, DONG Jianxin, GUO Jing, ZHAO Yu

表2 屈服强度计算过程中所使用的参数取值[6,7,30,35,41]

Table 2 Parameters for calculating yield strength[6,7,30,35,41]

Parameter Value Unit γAPB[6] 0.30 J·m-2 b[7] 0.256 nm kY[30] 710 MPa·μm1/2 μ[35] 70.3 GPa M[41] 3 -