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
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Hot Deformation Characteristics of Novel Wrought Superalloy GH4975 Extruded Rod Used for 850 ℃ Turbine Disc
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图6. GH4975合金在0.1 s-1应变速率和不同温度下变形后的微观组织 |
Fig.6. Effect of deformation temperature on the microstructures of GH4975 superalloy under the strain rate of 0.1 s-1(a) 1070 ℃ (b) 1100 ℃ (c) 1130 ℃ (d) 1150 ℃ (e) 1180 ℃ (f) 1220 ℃ |
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