Comparison of laser welds in thick section S700 high-strength steel manufactured in flat (1G) and horizontal (2G) positions

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Guo, Wei; Liu, Qiang; Francis, John Anthony; Crowther, Dave; Thompson, Alan; Liu, Zhu; Li, Lin;
(2015)

Lack of penetration, undercut and melt sagging are common welding defects for single-pass laser welds in thick plates, particularly when using a traditional 1G welding position (laser directed towards ground). This investigation shows, for the first time, that welding 1... View more
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