850 ℃涡轮盘用新型变形高温合金GH4975挤压棒材热变形规律研究
张勇1(), 李鑫旭1, 韦康1, 万志鹏1, 贾崇林1, 王涛1, 李钊1, 孙宇2, 梁红艳3
Hot Deformation Characteristics of Novel Wrought Superalloy GH4975 Extruded Rod Used for 850 ℃ Turbine Disc
ZHANG Yong1(), LI Xinxu1, WEI Kang1, WAN Zhipeng1, JIA Chonglin1, WANG Tao1, LI Zhao1, SUN Yu2, LIANG Hongyan3

图7. 1130 ℃下不同应变速率对GH4975合金组织的影响

Fig.7. Effect of strain rate on the microstructures of GH4975 superalloy under a certain temperature of 1130 ℃
(a) 1 s-1 (b) 0.1 s-1 (c) 0.01 s-1 (d) 0.001 s-1