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Determination of the Forming Limit Diagram of an Ultra‐Thin Ferritic Stainless Steel Sheet

Title
Determination of the Forming Limit Diagram of an Ultra‐Thin Ferritic Stainless Steel Sheet
Authors
Bong, H.JBarlat, FLee, M.-G.
POSTECH Authors
Barlat, F
Date Issued
Aug-2011
Publisher
American Institute of Physics
Abstract
The forming limit diagram (FLD) of a 98 mu m-thick ferritic stainless steel sheet sample was determined using a modified Marciniak test and the conventional Nakazima test (ASTM E2218-2). Wrinkling and undesired fracture were not observed in the modified Marciniak test. However, for some strain paths, wrinkling of the sheet specimens and undesired fracture at the upper die radius and the draw bead locations occurred in the Nakazima test. In spite of the problems observed with the Nakazima test, similar FLDs were obtained with the two methods.
URI
http://oasis.postech.ac.kr/handle/2014.oak/13490
DOI
10.1063/1.3623690
ISSN
0094-243X
Article Type
Article
Citation
AIP Conference Proceedings, vol. 1383, page. 815 - 820, 2011-08
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BARLAT FREDERIC GERARDBARLAT, FREDERIC GERARD
Ferrous & Energy materials Technology
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