增/降氧过程对高温合金粉末表面特性和合金性能的影响：粉末存储到脱气处理

郑亮, 张强, 李周, 张国庆

Effects of Oxygen Increasing/Decreasing Processes on Surface Characteristics of Superalloy Powders and Properties of Their Bulk Alloy Counterparts: Powders Storage and Degassing

ZHENG Liang, ZHANG Qiang, LI Zhou, ZHANG Guoqing

图9 HIP-1和HIP-2块体合金分别在室温(25℃)、650℃和750℃条件下的拉伸应力-应变曲线及力学性能

Fig.9 Tensile stress-strain curves (a) and mechanical properties of HIP-1 and HIP-2 bulk alloys at ambient temperature (25oC) (b), 650oC (c), and 750oC (d) (YS—yield strength, UTS—ultimate tensile strength, El—elongation, A—reduction of area)