Applicability valuation for evaluation of surface deflection in automotive outer panels
Park, Dong Hwan, Bae, W.R., Jeong, B.J., So, B.S, Ko, T. J., & Yarlagadda, Prasad K. (2008) Applicability valuation for evaluation of surface deflection in automotive outer panels. In Yarlagadda, Prasad K. & Gudimetla, Prasad V. (Eds.) 9th Global Congress on Manufacturing and Management, 12-14 November, 2008, Gold Coast, Australia.
Upon unloading in a forming process there is elastic recovery, which is the release of the elastic strains and the redistribution of the residual stresses through the thickness direction, thus producing surface deflection. It causes changes in shape and dimensions that can create major problem in the external appearance of outer panels. Thus surface deflection prediction is an important issue in sheet metal forming industry. Many factors could affect surface deflection in the process, such as material variations in mechanical properties, sheet thickness, tool geometry, processing parameters and lubricant condition. The shape and dimension problem in press forming is defined as a trouble mainly caused by the elastic recovery of materials during the forming. The use of high strength steel sheets in the manufacturing of automobile outer panels has increased in the automotive industry over the years because of its lightweight and fuel-efficient improvement. But one of the major concerns of stamping is surface deflection in the formed outer panels. Hence, to be cost effective, accurate prediction must be made of its formability. The automotive industry places rigid
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|Item Type:||Conference Paper|
|Keywords:||Surface Deflection, Automotive outer panels, Press Forming, Finite Element Analysis|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
|Copyright Owner:||Copyright 2008 GCMM Board|
|Copyright Statement:||Reproduced in accordance with the copyright policy of the publisher.|
|Deposited On:||24 Feb 2009 23:50|
|Last Modified:||29 Feb 2012 13:46|
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