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Effect of Laser Welding Parameters on Forming Behavior of Tailor Welded Blanks

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Abstract:

Tailor Welded Blanks (TWB) are blanks in which two or more sheets of similar or dissimilar materials, thicknesses, coatings etc. are welded together to form a single sheet before forming. Forming behavior of TWBs is affected by thickness ratio, strength ratio, weld conditions such as weld properties, weld orientation, weld location etc. In this work, Nd:YAG laser welding will be use to weld TWB with different thickness in experimental test. Nd:YAG laser welding parameters such as pulse duration, welding velocity, frequency and peak power will affect formability of TWBs. Taguchis design of experiments methodology is followed to design of experiment and obtain the percentage contribution of factors considered. Erichsen formability test and uniaxial tensile test (ASTM-E8) will be use in experiment setup to compare result of different welding parameters on formability quality of TWBs.

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Periodical:

Advanced Materials Research (Volume 445)

Pages:

406-411

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.445.406

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Online since:

January 2012

Authors:

R. Safdarian Korouyeh, Hassan Moslemi Naeini, M.J. Torkamany, J. Sabaghzadee

Keywords:

Erichson Test, Laser Welding, Taguchis Design of Experiment, Tailor Welded Blank (TWB)

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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