What does this research mean for the field?

Straight pattern laser welding of Al3003-H14 sheets yields higher tensile strength and hardness compared to wobble pattern welding due to a narrower bead width, reduced heat-affected zone, and faster cooling rate. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

Investigate the weldability, cross-sectional defect formation, and mechanical performance of 0.7 mm Al3003-H14 prismatic battery Can-Cap joints using green laser straight and wobble welding patterns.

September 2, 2026Journal of Welding and JoiningOpen Access

A Study on Weldability and Mechanical Properties of Prismatic Battery Aluminum Alloy Materials According to Laser Welding Patterns

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Authors

HKHyeong-Won Kim HYHyun-Jong Yoo SKSang-Rae Kim

Discussion

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Overview

Experimental study demonstrates straight laser patterns increase tensile strength and hardness over wobble configurations in prismatic battery aluminum joints, suggesting superior cell integrity.

Key Points

Investigate the weldability, cross-sectional defect formation, and mechanical performance of 0.7 mm Al3003-H14 prismatic battery Can-Cap joints using green laser straight and wobble welding patterns.
Welded 0.7 mm thick Al3003-H14 aluminum alloy sheets using a 515 nm green laser equipped with Auto Position Alignment.
Compared straight and wobble beam patterns across varying scanning speeds to evaluate cross-sectional geometry, porosity, microstructural hardness, and tensile properties.
Both straight and wobble patterns yielded fully penetrated weld beads free of internal porosity and hot cracks.
Straight welding patterns achieved a tensile strength of 138.8 MPa (84.1% of base metal), which was 9.1% higher than the 127.3 MPa (77.1% of base metal) recorded for wobble patterns.
The fusion zone displayed the highest Vickers hardness due to rapid cooling and microstructure refinement, with the straight pattern demonstrating higher hardness, narrower bead widths, and a smaller heat-affected zone.

Cite This Study

Kim et al. (2026) studied this question.

synapsesocial.com/papers/6a97e29ec562ede874ec6ccf https://doi.org/10.5781/jwj.2026.44.4.10

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September 2, 2026Journal of Welding and JoiningOpen Access

A Study on Weldability and Mechanical Properties of Prismatic Battery Aluminum Alloy Materials According to Laser Welding Patterns

View Full Paper

Ask AI

Bookmark

Authors

HKHyeong-Won Kim HYHyun-Jong Yoo SKSang-Rae Kim

Discussion

Member takes

Overview

Experimental study demonstrates straight laser patterns increase tensile strength and hardness over wobble configurations in prismatic battery aluminum joints, suggesting superior cell integrity.

Key Points

Investigate the weldability, cross-sectional defect formation, and mechanical performance of 0.7 mm Al3003-H14 prismatic battery Can-Cap joints using green laser straight and wobble welding patterns.
Welded 0.7 mm thick Al3003-H14 aluminum alloy sheets using a 515 nm green laser equipped with Auto Position Alignment.
Compared straight and wobble beam patterns across varying scanning speeds to evaluate cross-sectional geometry, porosity, microstructural hardness, and tensile properties.
Both straight and wobble patterns yielded fully penetrated weld beads free of internal porosity and hot cracks.
Straight welding patterns achieved a tensile strength of 138.8 MPa (84.1% of base metal), which was 9.1% higher than the 127.3 MPa (77.1% of base metal) recorded for wobble patterns.
The fusion zone displayed the highest Vickers hardness due to rapid cooling and microstructure refinement, with the straight pattern demonstrating higher hardness, narrower bead widths, and a smaller heat-affected zone.

Cite This Study

Kim et al. (2026) studied this question.

synapsesocial.com/papers/6a97e29ec562ede874ec6ccf https://doi.org/10.5781/jwj.2026.44.4.10

View Full Paper

Ask AI

Bookmark