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14 空气环境存储粉末经25℃和300℃ + 600℃真空除气处理后HIP态FGH96合金的拉伸断口形貌

Fig.14 Tensile fracture surfaces of HIPed FGH96 alloy consolidated from air stored powders after 25oC (a, b, e, f, i, j) and 300oC + 600oC (c, d, g, h, k, l) degassing (a-d) 25oC tensile (e-h) 650oC tensile (i-l) 750oC tensile