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Effect of friction between powder and a mandrel on densification of iron powder during cold isostatic pressing SCIE SCOPUS

Title
Effect of friction between powder and a mandrel on densification of iron powder during cold isostatic pressing
Authors
Kim, KTLee, HT
Date Issued
1998-06
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Abstract
The effects of friction between the powder and the mandrel on densification behavior of metal powder were investigated under cold isostatic pressing. The friction coefficients between the powder and the mandrels with different surface roughness were determined from the relationship between the compaction pressure and the ejection pressure of the mandrel from powder compacts. The elastoplastic constitutive equations based on the yield function of Shima and Oyane were implemented into a finite element program (ABAQUS) to simulate compaction responses of metal powders during cold isostatic pressing. Finite element results were compared with experimental data for pure iron powder under cold isostatic pressing. (C) 1998 Elsevier Science Ltd.
Keywords
cold isostatic pressing; densification; finite element analysis; constitutive equation; friction effect; iron powder; mandrel; COMPACTION PROCESSES; PLASTICITY THEORY
URI
https://oasis.postech.ac.kr/handle/2014.oak/20846
DOI
10.1016/S0020-7403(97)00063-5
ISSN
0020-7403
Article Type
Article
Citation
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, vol. 40, no. 6, page. 507 - 519, 1998-06
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김기태KIM, KI TAE
Dept of Mechanical Enginrg
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