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Local laser-strengthening: Customizing the forming behavior of car body steel sheets

: Wagner, Markus; Jahn, Axel; Beyer, Eckhard; Balzani, Daniel


Fratini, Livan (Ed.) ; European Scientific Association for Material Forming:
21st International ESAFORM Conference on Material Forming, ESAFORM 2018. Proceedings : 23-25 April 2018, Palermo, Italy
Melville/NY: AIP Publishing, 2018 (AIP Conference Proceedings 1960)
ISBN: 978-0-7354-1663-5
Art. 150016
International Conference on Material Forming (ESAFORM) <21, 2018, Palermo>
Conference Paper
Fraunhofer IWS ()

Future trends in designing lightweight components especially for automotive applications increasingly require complex and delicate structures with highest possible level of capacity [1]. The manufacturing of metallic car body components is primarily realized by deep or stretch drawing. The forming process of especially cold rolled and large-sized components is typically characterized by inhomogeneous stress and strain distributions. As a result, the avoidance of undesirable deep drawing effects like earing and local necking is among the greatest challenges in forming complex car body structures [2]. Hence, a novel local laser-treatment approach with the objective of customizing the forming behavior of car body steel sheets is currently explored.