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Author:

尚德广 (尚德广.) (Scholars:尚德广)

Indexed by:

CQVIP PKU CSCD

Abstract:

利用扫描电镜对多轴比例和非比例加载下的薄壁管多轴疲劳试样的断口表面进行扫描观测分析.根据试件不同加载路径下的疲劳断口观测结果,研究多轴疲劳裂纹萌生及扩展机理.结果分析表明,比例加载下疲劳断口形式与单轴情况相似,具有Ⅰ型疲劳条纹特征.非比例加载下断口形式主要表现为Ⅰ型与Ⅱ型混合型断口特征.结合多轴非比例加载下的宏观力学条件,在微观机理方面探讨多轴非比例循环下的附加强化机制.

Keyword:

疲劳裂纹扩展 非比例加载 比例加载 多轴疲劳 断口分析

Author Community:

  • [ 1 ] [尚德广]北京工业大学

Reprint Author's Address:

  • 尚德广

Email:

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Source :

机械强度

ISSN: 1001-9669

Year: 2006

Issue: 3

Volume: 28

Page: 392-396

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 22

Chinese Cited Count:

30 Days PV: 7

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