Knowles, James K. and Winfree, Nancy A. and Ahrens, Thomas J. (1997) Dynamically Induced Phase Transitions and the Modeling of Comminution in Brittle Solids. Mathematics and Mechanics of Solids, 2 (2). pp. 99-116. ISSN 1081-2865. doi:10.1177/108128659700200201. https://resolver.caltech.edu/CaltechAUTHORS:20141023-084053866
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Abstract
Some experiments suggest the presence of a sharp interface between comminuted and uncomminuted regimes in a ceramic subject to impact by a penetrator. This in turn suggests that one might model the associated dynamical process with the help of recently developed continuum models of the macroscopic response of solids undergoing phase transitions. A highly idealized phase transition model of such a com- minuted process is analyzed here. The model accounts for the kinetics of the phase transition. If the shear wave speed in the comminuted material is small compared to that in the uncomminuted portion, it is found that the energy reaching the uncomminuted portion of the target is greatly reduced in comparison to its value in the absence of the phase transition.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1997 Sage Publications, Inc. Received 7 November 1996. This work was supported in part by the U.S. Army Research Office under Grant No. DAAH04-94-G-0063. We are grateful to Dr. Kailasam Iyer of that office for his interest in our work This article represents contribution No. 5743, Division of Geological and Planetary Sciences, California Institute of Technology. | |||||||||
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| Issue or Number: | 2 | |||||||||
| DOI: | 10.1177/108128659700200201 | |||||||||
| Record Number: | CaltechAUTHORS:20141023-084053866 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20141023-084053866 | |||||||||
| Official Citation: | James K. Knowles, Nancy A. Winfree, and Thomas J. Ahrens Dynamically Induced Phase Transitions and the Modeling of Comminution in Brittle Solids Mathematics and Mechanics of Solids June 1997 2: 99-116, doi:10.1177/108128659700200201 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 50717 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 23 Oct 2014 16:03 | |||||||||
| Last Modified: | 10 Nov 2021 18:59 |
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