粉末冶金Inconel 718合金的热等静压成形和原始颗粒边界的消除

田晓生, 卢正冠, 徐磊, 吴杰, 杨锐

Hot Isostatic Densification of Inconel 718 Powder Alloy and Elimination of Prior Particle Boundaries

TIAN Xiaosheng, LU Zhengguan, XU Lei, WU Jie, YANG Rui

表1 Inconel 718粉末合金结构件本体和试验型包套制备合金的力学性能

Table 1 Mechanical properties of powder metallurgy (PM) Inconel 718 component and test bars

Sample Temperature Tensile property Impact energy UTS / MPa YS / MPa El / % Z / % J Wrought[17] RT 1275-1400 1030-1167 12.0-21.0 15 30 Component 1400 1075 14.5 14 16 Test bar 1322 1049 23.0 35 35 Wrought[17] 650oC 1000-1200 860-1000 12.0-19.0 15 - Component 1140 910 14.5 16 - Test bar 1067 845 15.0 17 -