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Towards Simulation of Geometrical Effects of Laser Tempering of Boron Steel before Self-Pierce Riveting
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
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2016 (English)In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 44, p. 304-309Article in journal (Refereed) Published
Abstract [en]

The automotive industry is continuously developing and finding new ways to respond to the incremental demands of higher safety standards and lower environmental impact. As an answer to weight reduction of vehicles, the combination of boron steel and composite material is being developed along with their joining process, self-pierce riveting. Boron steel is an ultra-high strength material that needs to be locally softened before the joining process. However, the joining process deforms the part. This paper investigates factors affecting the geometrical deformation during the tempering process and lists important phenomena that need to be included when simulating the tempering process.

Place, publisher, year, edition, pages
2016. Vol. 44, p. 304-309
Keywords [en]
boron steel, distortion, geometry assurance, hot stamping, laser tempering, residual stresses, self-pierce riveting, thermo-mechanical simulation
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-29160DOI: 10.1016/j.procir.2016.01.025Scopus ID: 2-s2.0-84994079434OAI: oai:DiVA.org:ri-29160DiVA, id: diva2:1085743
Conference
6th CIRP Conference on Assembly Technologies and Systems (CATS 2016) May 16-18, 2016, Gothenburg, Sweden
Available from: 2017-03-30 Created: 2017-03-30 Last updated: 2019-06-19Bibliographically approved

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Wandebäck, Fredrik

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