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Author:

尚德广 (尚德广.) (Scholars:尚德广)

Indexed by:

CQVIP PKU CSCD

Abstract:

针对不同疲劳损伤累积量,研究了点焊疲劳试件的固有频率变化特性.研究结果表明,试件的固有频率与所承受的循环数比成非线性关系.提出了一个由固有频率相对变化来描述的疲劳损伤参量,并利用疲劳损伤理论,建立了非线性疲劳损伤演化模型.结果表明,所提出的疲劳损伤参量能够很好地描述点焊接头疲劳损伤特性,疲劳寿命预测误差在两个因子之内.

Keyword:

动态响应频率 点焊接头 疲劳损伤

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 :

北京工业大学学报

ISSN: 0254-0037

Year: 2004

Issue: 2

Volume: 30

Page: 144-147

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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