Special features of welding 10KhSND low-alloy structural steel with an oscillating laser beam

Experimental results confirm that deep penetration welding with oscillations of the laser beam influences formation of the structure, shape and quality of a welded joint. The results of metallographic studies are used to determine the values of the oscillation parameters of the laser beam at which t...

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Bibliographic Details
Published in:Welding international 2017-09, Vol.31 (9), p.733-738
Main Authors: Shiganov, I. N., Grezev, N. V., Shamov, E. M.
Format: Article
Language:English
Subjects:
beam oscillations
crack
deep penetration
Defects
Laser beam welding
Laser welding
Lasers
Low alloy steels
Mechanical tests
Microhardness
microstructure
properties
Structural steels
Welded joints
Welding
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Summary:Experimental results confirm that deep penetration welding with oscillations of the laser beam influences formation of the structure, shape and quality of a welded joint. The results of metallographic studies are used to determine the values of the oscillation parameters of the laser beam at which the risk of formation of defects in the welded joint is reduced. The results of mechanical tests and microhardness measurements of the welded joints produced by laser welding with an oscillating beam in 10KhSND steel are presented.
ISSN:0950-7116
1754-2138
DOI:10.1080/09507116.2017.1315080