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A robust approach to model densification and crack formation in powder compaction processes

Author
Hernandez, J.A.; Oliver, J.; Cante, J.C.; Weyler, R.
Type of activity
Journal article
Journal
International journal for numerical methods in engineering
Date of publication
2011-08-26
Volume
87
Number
8
First page
735
Last page
767
DOI
https://doi.org/10.1002/nme.3130 Open in new window
Repository
http://hdl.handle.net/2117/13360 Open in new window
URL
http://onlinelibrary.wiley.com/doi/10.1002/nme.3130/abstract Open in new window
Abstract
This paper deals with the question of how to efficiently integrate a constitutive model that describes the densification of powders and the potential formation of cracks in Powder Metallurgy (P/M) cold compaction processes. The analyzed model is a large strain, elastoplastic model of the Drucker–Prager/Cap type, refined to cover also the prediction of crack formation, and featuring non-conventional elements such as a density-dependent Von Mises yield surface; a parabolic plastic potential func...
Citation
Hernández, J.A. [et al.]. A robust approach to model densification and crack formation in powder compaction processes. "International journal for numerical methods in engineering", 26 Agost 2011, vol. 87, núm. 8, p. 735-767.
Group of research
(MC)2 - Group of Computational Mechanics on Continuous Medium
(MC)2 - UPC Computational continuum mechanics