Paper
14 October 2022 Laser welding 5052 aluminum alloy with α-Si3N4 added: microstructure and mechanical properties
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Proceedings Volume 12343, 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022); 123430D (2022) https://doi.org/10.1117/12.2648701
Event: 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022), 2022, Qingdao, China
Abstract
The experiments of laser welding 5052 aluminum alloy were carried out, and the effect of adding α-Si3N4 particles on microstructure and mechanical properties of the joint was investigated. Some α-Si3N4 particles melt and form new compounds with the aluminum matrix during welding. The average tensile strength of α-Si3N4 preset joint with the maximum tensile strength of 224.5 MPa was 11.5% higher than that of no-preset joint. As far as presetting α-Si3N4 particles was concerned, the enhancement of the joint properties benefited from improvement of metallurgical reaction.
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Tianyu Xu, Xiuquan Ma, Shaowei Zhou, Chunquan Hong, and Meng Li "Laser welding 5052 aluminum alloy with α-Si3N4 added: microstructure and mechanical properties", Proc. SPIE 12343, 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022), 123430D (14 October 2022); https://doi.org/10.1117/12.2648701
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KEYWORDS
Particles

Aluminum

Laser welding

Chemical elements

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