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On the Mechanisms of Particulate Media Compaction

Vreeland, T. and Prinz, F. B. (1986) On the Mechanisms of Particulate Media Compaction. In: Fourth Conference on Rapid Solidification Processing: principles and technologies. Claitor's , Baton Rouge, LA, pp. 295-310. http://resolver.caltech.edu/CaltechAUTHORS:20150204-081539250

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Abstract

Powder handling operations can produce segregation of particles when sufficient vibratory motion occurs. A benefit of this segregation could be the removal of some foreign particles, while the segregation can be a detriment when a uniform mixture of particles is desired. Segregation effects are discussed as well as the beneficial aspect of using a vibratory component of loading which can produce green compacts of more uniform distention than that produced by quasi-static pressing. Dynamic consolidation of green compacts using strong shock waves can produce void-free material with strong interparticle bonds. The kinetics and energetics of the shock consolidation of ductile powders is discussed, with the objective of modeling the process on the scale of individual powder particles.


Item Type:Book Section
Additional Information:© 1988 Claitor's Pub. Division. Preparation of this paper was sponsored by the National Science Foundation under the Caltech Materials Research Group Grant DMR-84-21119, and DARPA Contract N00014-82-K-2064.
Funders:
Funding AgencyGrant Number
NSFDMR-84-21119
Office of Naval Research (ONR)N00014-82-K-2064
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Record Number:CaltechAUTHORS:20150204-081539250
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150204-081539250
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:54357
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:04 Feb 2015 22:53
Last Modified:04 Feb 2015 22:53

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