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Resistance spot welding of a complicated joint in new advanced high strength steel

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Resistance spot welding of a complicated joint in new advanced high strength steel

Rechten: Alle rechten voorbehouden

Samenvatting

The goal of this article is to investigate resistance spot welding of a complicated welding configuration of three sheets of dissimilar steel sheet materials with shunt welds, using simulations. The configuration used resembles a case study of actual welds in automotive applications. One of the steel sheets is a newly developed high strength steel, DP800 HyperForm (DP800HpF). Hyperform steels offer the engineer high strength combined with improved formability and excellent weldability.
First hyperform steels are introduced and positioned within the pallet of advanced high strength steels. Then the influence of various material characteristics is discussed. Next the impact of actual complicated welding operations, compared to laboratory coupon testing, is discussed.
Having set the background, the experimental results and the set up of the model used for simulations are explained. Finally the results from simulations are used to investigate the welding operations, with a focus on the impact of various material characteristics.

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OrganisatieHogeschool van Arnhem en Nijmegen
AfdelingKenniscentrum Technologie en Samenleving
LectoraatMobiliteitstechnologie
Jaar2015
TypeProefschrift
ISBN978-90-824372-0-1
TaalEngels

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