Fatigue strength of TIG-dressed ultra-high-strength steel fillet weld joints at high stress ratio
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- 作者：T. Skriko ; tuomas.skriko@lut.fi" class="auth_mail" title="E-mail the corresponding author ; M. Ghafouri ; T. Bjö ; rk
- 关键词：Fatigue strength ; TIG-dressing ; Stress ratio ; Ultra-high-strength steel ; Finite element analysis
- 刊名：International Journal of Fatigue
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：94
- 期：part_P1
- 页码：110-120
- 全文大小：2019 K
文摘
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Standard FAT classes for TIG-dressing are too conservative for S960 grade steel.
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Fatigue strength of TIG-dressed joints decreases when the stress ratio increases.
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Toe radius and undercut have an essential influence on stress concentration factor.