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ASM Handbook

Welding Fundamentals and Processes

Edited by
T. Lienert
T. Lienert
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T. Siewert
T. Siewert
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S. Babu
S. Babu
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V. Acoff
V. Acoff
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ASM International
Volume
6A
ISBN electronic:
978-1-62708-174-0
Publication date:
2011
Book Chapter

Laser Beam Welding[1]

By
Tim Webber
Tim Webber
IPG Photonics
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Thomas Lieb
Thomas Lieb
L⋅A⋅I International
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J. Mazumder
J. Mazumder
University of Michigan
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Published:
2011
Page range:
556 - 569
Publication history
September 07, 2011

Abstract

This article provides an overview of the fundamentals, mechanisms, process physics, advantages, and limitations of laser beam welding. It describes the independent and dependent process variables in view of their role in procedure development and process selection. The article includes information on independent process variables such as incident laser beam power and diameter, laser beam spatial distribution, traverse speed, shielding gas, depth of focus and focal position, weld design, and gap size. Dependent variables, including depth of penetration, microstructure and mechanical properties of laser-welded joints, and weld pool geometry, are discussed. The article also reviews the various injuries and electrical and chemical hazards associated with laser beam welding.

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Tim Webber, Thomas Lieb, J. Mazumder, 2011. "Laser Beam Welding", Welding Fundamentals and Processes, T. Lienert, T. Siewert, S. Babu, V. Acoff

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