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Author:

翟彩华 (翟彩华.) | 冯朝辉 (冯朝辉.) | 柴丽华 (柴丽华.) | 陆政 (陆政.) | 聂祚仁 (聂祚仁.) (Scholars:聂祚仁) | 陈子勇 (陈子勇.) (Scholars:陈子勇)

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CQVIP PKU CSCD

Abstract:

采用Gleeble-3500热模拟试验机对X2A66合金进行等温热压缩实验,变形温度为623.15~743.15 K、应变速率为0.001~10 s~(-1),并利用双曲正弦函数和动态材料模型,建立合金峰值应力的本构方程和加工图。结果表明:X2A66合金的流变应力随温度的升高而减小,随应变速率的增加而增大;X2A66合金的温度敏感性不受应变速率的影响,高应变速率(应变速率高于0.1 s~(-1))时的速率敏感性高于低应变速率时的速率敏感性。X2A66合金等温压缩时峰值流变应力和应变速率之间满足双曲正弦函数关系,其本构方程为:e(5)=5.09×10~9[sinh(0.019σ)]~(4.544...

Keyword:

热加工图 等温压缩 本构方程 X2A66合金

Author Community:

  • [ 1 ] 北京工业大学
  • [ 2 ] 北京航空材料研究院

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Source :

稀有金属材料与工程

Year: 2017

Issue: 01

Volume: 46

Page: 90-96

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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