/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
表2 FGH96高温合金粉末(0~53 μm)的除气实验工艺参数设定和所制备合金的氧含量
Table 2 Degassing parameter setup of FGH96 superalloy powders (0-53 μm original powders stored in ambient for 15 d, degassing vacuum condition ≤ 10-3 Pa) and the oxygen contents of relative alloys
SampleDegassing parameterOxygen content / 10-6
25oC degassing25oC, 2 h195
300oC degassing25oC, 2 h + 300oC, 5 h140
600oC degassing25oC, 2 h + 600oC, 5 h124
300oC + 600oC degassing25oC, 2 h + 300oC, 5 h + 600oC, 5 h113