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Author:

孙鲁阳 (孙鲁阳.) | 李晓延 (李晓延.) | 申博文 (申博文.) | 吴奇 (吴奇.)

Indexed by:

CQVIP PKU CSCD

Abstract:

通过对304 L不锈钢多层焊焊接工艺研究,利用ABAQUS有限元软件,采用热—力顺序耦合分析方法进行多层焊应力场的有限元数值计算.奥氏体不锈钢焊接性使得焊缝金属在模拟焊接过程中出现大变形导致计算网格发生畸变,计算中止.采用了"追踪单元"技术和网格重划分技术对应力场计算中网格畸变问题进行解决.将数值模拟结果与实际应力测量结果进行对比.结果表明,采用上述方法能够得到较准确的焊接残余应力结果.

Keyword:

多层焊 应力场 网格畸变 数值模拟

Author Community:

  • [ 1 ] 北京工业大学焊接研究所

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Source :

焊接学报

Year: 2018

Issue: 11

Volume: 39

Page: 108-113,118,134

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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