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Studies in Cup Drawing Behavior of Polymer...
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Studies in Cup Drawing Behavior of Polymer Laminated Sheet Metal

Abstract

Axisymmetric deep drawing behavior of a polymer laminated sheet metal (PLSM) is investigated using an axisymmetric cup drawing test. PLSMs are of interest as a replacement for painted finishes for automotive applications as they have the potential to achieve good quality long lasting and aesthetically appealing surfaces on stamped parts. However, there is limited understanding of PLSMs in automotive deep drawing situations to produce complex 3‐D parts. The tests are carried out using well‐controlled, laboratory‐based, dual‐action, servo‐hydraulic forming presses under blank‐holder force and punch displacement control conditions. An optical strain mapping system is used to measure the surface strains (and to construct 3D strain maps) from the film side of the deformed samples for a range of forming conditions. Deep drawing characteristics such as punch load versus punch displacement traces, strain distribution along the cup profile, flange wrinkling and fracture characteristics are experimentally assessed for stainless steel‐plastic film laminated sheet materials. Also the effect of lamination pressure on wrinkling and delamination is investigated for a decorative pressure sensitive adhesive film affixed to the stainless steel sheet.

Authors

Elnagmi M; Jain M; Bruhis M; Nielsen K

Volume

1383

Pagination

pp. 847-854

Publisher

AIP Publishing

Publication Date

August 22, 2011

DOI

10.1063/1.3623694

Conference proceedings

AIP Conference Proceedings

Issue

1

ISSN

0094-243X

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