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An Experimental Technique for Imposing Dynamic Multiaxial-Compression with Mechanical Confinement

Chen, W. and Ravichandran, G. (1996) An Experimental Technique for Imposing Dynamic Multiaxial-Compression with Mechanical Confinement. Experimental Mechanics, 36 (2). pp. 155-158. ISSN 0014-4851. doi:10.1007/BF02328712.

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A new experimental technique for imposing controlled lateral confinement on specimens subjected to dynamic uniaxial compression has been developed. A description of the experimental technique and experimental results on a ceramic are presented. The axial compression is applied by a split Hopkinson pressure bar modified to subject the specimen to a single loading pulse during the experiment. The specimen is confined laterally by a shrink-fit metal sleeve. The results show that the failure occurs by fragmentation due to axial splitting under uniaxial stress condition, whereas failure occurs by localized deformation on faults under moderate lateral confinement. The compressive failure strength of the ceramic increases with increasing confinement pressure.

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Ravichandran, G.0000-0002-2912-0001
Additional Information:© 1995 Kluwer Academic. Original manuscript submitted: September 16, 1994. Final manuscript received: July 12, 1995. This work was supported by the U.S. Army Research Office under Contract No. DAAL03-02-G-0192 to the California Institute of Technology and by Dow Chemical Company. The authors thank M. J. Forrestal and K. T. Ramesh for helpful discussions.
Funding AgencyGrant Number
Army Research Office (ARO)DAAL03-02-G-0192
Dow Chemical CompanyUNSPECIFIED
Issue or Number:2
Record Number:CaltechAUTHORS:20150226-102716159
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ID Code:55250
Deposited By: Cheryl Gause
Deposited On:27 Feb 2015 01:11
Last Modified:10 Nov 2021 20:43

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