Fatigue strength analysis of laser-hybrid welds in thin plate considering weld geometry in microscale
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- 作者：Sami Liinalampia ; sami.liinalampi@aalto.fi" class="auth_mail" title="E-mail the corresponding author ; Heikki Remesa ; Pauli Lehtoa ; Ingrit Lillemä ; ea ; Jani Romanoffa ; David Porterb
- 关键词：Thin plate ; Laser-hybrid weld ; Fatigue strength ; Effective notch stress ; Geometry
- 刊名：International Journal of Fatigue
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：87
- 期：Complete
- 页码：143-152
- 全文大小：3364 K
文摘
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Extensive notch stress analysis for welded joints considering notch microgeometry.
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Application of stress averaging approach directly on measured weld geometry.
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The observed large scatter in thin laser hybrid welded joints is explained.
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Proper averaging length was similar to the values for non-welded structural steel.
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Fatigue strength of welded thin plate is sensitive to geometrical discontinuities.