21 Which statement is false for Laser beam welding?Laser beams can be focused via optical lenses and mirrorsb) LBW needs vacuum chamberC)LBW normally performed with shielding gases to prevent oxidationd)LBW uses photon beam to weld workpieces

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Answered: 21 Which statement is false for Laser…

Engineering

Mechanical Engineering

21 Which statement is false for Laser beam welding?

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter28: Filler Metal Selection

Section: Chapter Questions

Problem 8R: How does an SMA welding electrode's flux covering produce the shielding gas to protect the weld?

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Concept explainers

Joining Processes

It is the process of permanent or temporary joining of two metal pieces with the help of heat or pressure. Two metal parts are assembled by applying an energy source for the formation of a single unit. The obtained joined metals cannot be fragmented easily with the application of any force.

Question

21 Which statement is false for Laser beam welding?
Laser beams can be focused via optical lenses and mirrors
b) LBW needs vacuum chamber
C)
LBW normally performed with shielding gases to prevent oxidation
d)
LBW uses photon beam to weld workpieces

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