Journal
LASER ASSISTED NET SHAPE ENGINEERING 7 (LANE 2012)
Volume 39, Issue -, Pages 43-50Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.phpro.2012.10.012
Keywords
laser; overlap welding; penetration depth; dissimilar materials; steel; aluminum
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By reducing vehicle weight, a significant increase in fuel efficiency and consequently a reduction in CO2 emissions can be achieved. Currently a high interest in the production of hybrid weld seams between steel and aluminum exists. Previous methods as laser brazing are possible only by using fluxes and additional materials. Laser welding can be used to join steel and aluminum without the use of additives. With a low penetration depth increases in tensile strength can be achieved. Recent results from laser welded overlap seams show that there is no compromise in strength by decreasing penetration depth in the aluminum. (C) 2011 Published by Elsevier B.V. Selection and/or review under responsibility of Bayerisches Laserzentrum GmbH
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