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ASM Handbook

Welding, Brazing and Soldering

Edited by
David LeRoy Olson
David LeRoy Olson
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Thomas A. Siewert
Thomas A. Siewert
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Stephen Liu
Stephen Liu
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Glen R. Edwards
Glen R. Edwards
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ASM International
Volume
6
ISBN electronic:
978-1-62708-173-3
Publication date:
1993
Book Chapter

Laser-Beam Welding[1]

By
Jyoti Mazumder
Jyoti Mazumder
University of Illinois at Urbana-Champaign
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Published:
1993
Page range:
262 - 269

Abstract

Laser-beam welding (LBW) uses a moving high-density coherent optical energy source, called laser, as the source of heat. This article discusses the advantages and limitations of LBW and tabulates energy consumption and efficiency of LBW relative to other selected welding processes. It provides information on the applications of microwelding with pulsed solid-state lasers. The article describes the modes of laser welding such as conduction-mode welding and deep-penetration-mode welding, as well as major independent process variables for laser welding, such as laser-beam power, laser-beam diameter, absorptivity, and traverse speed. It concludes with information on various hazards associated with LBW, including electrical hazards, eye hazards, and chemical hazards.

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Jyoti Mazumder, 1993. "Laser-Beam Welding", Welding, Brazing and Soldering, David LeRoy Olson, Thomas A. Siewert, Stephen Liu, Glen R. Edwards

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