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Local laser-strengthening: Customizing the forming behavior of car body steel sheets
Future trends in designing lightweight components especially for automotive applications increasingly require complex and delicate structures with highest possible level of capacity . 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 . Hence, a novel local laser-treatment approach with the objective of customizing the forming behavior of car body steel sheets is currently explored. © 2018 Author(s).