Browse Publications Technical Papers 2001-01-3042

New High Strength Steels Applied to the Body Structure of ULSAB-AVC 2001-01-3042

In the ULSAB Project released in 1998, high strength steels (HSS) were applied to 90 percent of the body and structural components, and a mass saving of 25 percent compared to an average of benchmark vehicles was achieved. In the ULSAB-Advanced Vehicle Concepts (AVC) Project, high strength steels are used for most of the components, but many of these materials are identified as ultra high strength steel (UHSS) grades of advanced high strength steels. These grades include dual phase (DP) from 280 MPa yield (YS) to 1000 MPa tensile (UTS), complex phase (CP) 700/800 MPa (YS/UTS), and martensitic (Mart) 1200 MPa and 1520 MPa (UTS) grades. This paper reviews how these materials are applied to specific parts of the ULSAB-AVC Class-C and Class-PNGV vehicle concepts and the reasons for their selection. It also compares the materials used in the body structures of ULSAB and ULSAB-AVC


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