The Review of Laser Engineering
Online ISSN : 1349-6603
Print ISSN : 0387-0200
ISSN-L : 0387-0200
Laser Review
Development of Multi Beam Laser Metal Deposition with Blue Diode Lasers for Multi-Material
Yuji SATOMasahiro TSUKAMOTO
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2022 Volume 50 Issue 9 Pages 504-

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Abstract
Copper is widely used in heat exchangers, electro circuits, and mechanical parts because it has such excellent properties as high thermal conductivity and high electrical conductivity. Since copper also has excellent antibacterial and virus inactivation properties, we expect its use to increase for preventing infectious diseases on handrails, doorknobs etc., because such surfaces and items are touched by many people. Our research has focused on a laser metal deposition (LMD) method that can form a dense and highly pure layer since a laser can directly melt and solidify coating material. In this report, we review a high-speed, multi-beam laser coating method that has a low-contamination layer and demonstrate that a pure copper layer is formed on a SUS304-type stainless plate.
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© 2022 by The Laser Society of Japan
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