拉伸-扭转复合加载对镍基高温合金GH4169力学性能与变形机理的影响
杨俊杰, 张昌盛, 李洪佳, 谢雷, 王虹, 孙光爱

Effect of Tension-Torsion Coupled Loading on the Mechanical Properties and Deformation Mechanism of GH4169 Superalloys
YANG Junjie, ZHANG Changsheng, LI Hongjia, XIE Lei, WANG Hong, SUN Guang'ai
表1 变形前后拉伸和扭转样品的晶格常数和位错密度
Table 1 Lattice parameters and dislocation densities for the undeformed specimen and those deformed PRTOR and PRTEN specimens under different loading modes
SpecimenLattice parameter / nmDislocation density / (1014 m-2)
Undeformed0.359770.5 ± 0.2
PRTOR-00.359725.9 ± 0.9
PRTOR-3600.359844.6 ± 0.4
PRTEN-00.3598710.8 ± 0.7
PRTEN-200.359958.2 ± 0.8