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Author:

史耀武 (史耀武.) | 史轩 (史轩.)

Indexed by:

CQVIP PKU CSCD

Abstract:

针对大型工程机械用800 MPa低合金高强度钢及其焊接接头,进行低周疲劳性能研究.试验在常温下进行,对称三角波加载.试验结果表明,母材两个轧制方向的应变疲劳寿命没有明显差别,焊接接头的疲劳寿命偏低.焊接接头的局部软化是应变集中,导致应变疲劳寿命降低的主要原因.应变疲劳断口有明显的条纹特征,母材疲劳断口上伴有与条纹平行的二次裂纹,焊接接头的疲劳断口条纹清晰且宽度较细.试验确定的循环应力应变特性参数和应变疲劳寿命参数有明显的相关关系.

Keyword:

焊接接头 低合金高强度钢 低周疲劳

Author Community:

  • [ 1 ] [史耀武]北京工业大学
  • [ 2 ] [史轩]北京巴威公司

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Source :

兵器材料科学与工程

ISSN: 1004-244X

Year: 2011

Issue: 1

Volume: 34

Page: 24-27

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 10

Chinese Cited Count:

30 Days PV: 2

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