Stainless Steel as a Lightweight Automotive Material

Paper originally delivered at the BSSA Conference 'Stainless Solutions for a Sustainable Future' held in Rotherham on 3rd April 2003. This paper describes a study where 2 high strength austenitic stainless steels and 3 carbon steels used at Volvo Cars Body Components, were compared. The differences in formability and crash absorbing capability of specific components made from these steels, during plastic deformation, are shown. Tensile (stress-strain curves) and forming limit curves are compared. Forming limit dome tests are better for assessing steels subject to microstructural changes during deformation. Component stamping trials are described and analysed.

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