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Dynamic sliding of frictionally held bimaterial interfaces subjected to impact shear loading

Lykotrafitis, G. and Rosakis, A. J. (2006) Dynamic sliding of frictionally held bimaterial interfaces subjected to impact shear loading. Proceedings of the Royal Society A: Mathematical, physical, and engineering sciences, 5 (2074). pp. 2997-3026. ISSN 1364-5021.

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The fast frictional sliding along an incoherent interface of a bimaterial system composed of a Homalite and a steel plate is studied experimentally in a microsecond time-scale. The plates are held together by a static uniform compressive pre-stress while dynamic sliding is initiated by asymmetric impact. The full-field technique of dynamic photoelasticity is simultaneously used with a local technique of velocimetry based on laser interferometry. In the case where the impact loading is applied to the Homalite plate, a shear Mach line originates from a disturbance propagating along the interface supersonically with respect to the dilatational wave speed of Homalite and it crosses the P-wave front. The sliding starts well behind the P-wave front in Homalite and it propagates with a supershear speed with respect to Homalite. A fast interface wave and a wrinkle-like opening pulse (detachment wave) travelling along the interface are observed. When the impact loading is applied to the steel plate, the local sliding velocity measurement reveals that sliding initiates with the arrival of the P-wave front in the steel plate.

Item Type:Article
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Rosakis, A. J.0000-0003-0559-0794
Additional Information:© 2006 The Royal Society. Received 16 December 2005. Accepted 28 February 2006. The authors gratefully acknowledge the support of the Office of Naval Research through grant N00014-03-1-0435 and the Department of Energy through grant DE-FG52-06NA26209. Many helpful discussions with Professors A. Needleman and D. Coker are gratefully acknowledged.
Funding AgencyGrant Number
Office of Naval Research (ONR)N00014-03-1-0435
Department of EnergyDE-FG52-06NA26209
Subject Keywords:dynamic frictional sliding; incoherent interface; bimaterial system; photoelasticity; in-plane velocity measurement; wrinkle-like pulse
Issue or Number:2074
Record Number:CaltechAUTHORS:20170408-172557362
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Official Citation:Dynamic sliding of frictionally held bimaterial interfaces subjected to impact shear loading G Lykotrafitis, A.J Rosakis Proc. R. Soc. A 2006 462 2997-3026; DOI: 10.1098/rspa.2006.1703.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:76344
Deposited By: 1Science Import
Deposited On:13 Mar 2018 21:19
Last Modified:09 Mar 2020 13:19

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