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Author:

朱宝辉 (朱宝辉.) | 郭胜利 (郭胜利.) | 赵学平 (赵学平.)

Indexed by:

CQVIP

Abstract:

借助大型非线性有限元软件,应用二维轴对称弹塑性有限元法对拉拔铍铜管的残余应力进行了分析.结果表明,在变形量相同的条件下,拉拔工艺不同,残余应力场有所不相同.空拉拔铍铜管材的外表面为很高的拉应力,内表面为很高的压应力;相对而言,固定短芯头拉拔管材的内外表面残余应力值相差较小且分布较均匀.外模半锥角对固定短芯头拔管材的轴向残余应力具有显著的影响;当半锥角为12°时,拉拔后管材的轴向残余应力值较小且分布均匀.

Keyword:

空拔 有限元法 铍铜管 残余应力 固定短芯头拉拔

Author Community:

  • [ 1 ] [朱宝辉]宁夏东方钽业股份有限公司
  • [ 2 ] [郭胜利]北京有色金属研究总院
  • [ 3 ] [赵学平]北京工业大学

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Source :

重型机械

ISSN: 1001-196X

Year: 2007

Issue: 5

Page: 49-52

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 4

Chinese Cited Count:

30 Days PV: 1

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