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This study aims to assess the impact of post-weld treatments on the static and fatigue strength of ultra-high-strength steel fillet weld joints at different temperatures.

June 17, 2026Welding in the WorldOpen Access

Ultimate capacity of as-welded and post-weld treated ultra-high-strength steel fillet weld joints at room and arctic temperatures

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This study aims to assess the impact of post-weld treatments on the static and fatigue strength of ultra-high-strength steel fillet weld joints at different temperatures.
Conducted experimental static tensile tests at room (+20 °C) and arctic (−40 °C) temperatures
Tested various treatments: as-welded, burr-ground, HFMI-treated, TIG-dressed, and laser-dressed
Utilized digital image correlation measurements alongside tensile tests to evaluate joint performance.
TIG dressing and HFMI treatment significantly improved fatigue strength compared to as-welded joints at both temperatures.
Laser dressing showed minor effects on the strength of the joints in contrast to other treatments.
PWTs influenced load-carrying and deformation capacities of weld joints, showing similar performance characteristics at room and low temperatures.

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Implication

Experimental study reveals post-weld treatments influence strength of welded joints at varying temperatures, suggesting optimized welding techniques.

Cite This Study

Lipiäinen et al. (2026) studied this question.

synapsesocial.com/papers/6a323d93d50b63ecad207353 https://doi.org/10.1007/s40194-026-02525-9

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Implication

Experimental study reveals post-weld treatments influence strength of welded joints at varying temperatures, suggesting optimized welding techniques.

Ultimate capacity of as-welded and post-weld treated ultra-high-strength steel fillet weld joints at room and arctic temperatures

Key Points

Discussion

Implication

Cite This Study

Ultimate capacity of as-welded and post-weld treated ultra-high-strength steel fillet weld joints at room and arctic temperatures

Key Points

Discussion

Implication

Cite This Study

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