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Measurement of strain history during the stretching of forming-grade steel sheets

DSpace at IIT Bombay

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Title Measurement of strain history during the stretching of forming-grade steel sheets
 
Creator NANDEDKAR, VM
NARASIMHAN, K
 
Subject limit diagrams
tension
metal
forming limits
sheet metal forming
fld
strain path
strain history
 
Description It is well known that the strain history (the strain paths) greatly affects the forming limit strains of sheet metals. It is usually assumed that the strain paths remain linear during the in-plane stretching of sheets using a flat cylindrical punch. The present results show that the nature of the strain path even in such simple benchmark tooling actually varies depending upon the strain ratio. The strain path in the negative minor strain domain shows a curvilinear behaviour, but in the biaxial stretching region the paths are nearly linear. (C) 1999 Elsevier Science S.A. .
 
Publisher ELSEVIER SCIENCE SA
 
Date 2011-07-28T12:15:03Z
2011-12-26T12:59:19Z
2011-12-27T05:50:35Z
2011-07-28T12:15:03Z
2011-12-26T12:59:19Z
2011-12-27T05:50:35Z
1999
 
Type Article
 
Identifier JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 90(), 24-29
0924-0136
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7398
http://hdl.handle.net/10054/7398
 
Language en