Effect of Prestress on the Mechanical Performance of Composites
Publication: Journal of Engineering Mechanics
Volume 141, Issue 7
Abstract
Bodies are prestressed with the intention to enhance the load-carrying capacity of the body. The primary objective of this study is to understand the effect of prestressing the constituents in composite bodies on the overall mechanical performance of the composites. This paper considers composites having linearized viscoelastic constituents that can exhibit fluidlike and solidlike behavior. It also examines the effect of stress relaxation in a component of the prestressed composite on the overall load-carrying capacity of the composite. The properties of the composite, whether a brittle inclusion embedded in ductile matrix or a ductile inclusion in brittle matrix, are greatly influenced by the ratio of the induced prestress with respect to the external load and thereby influence the load-carrying capacity of the composite.
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Acknowledgments
AM and KRR thank the Army Office of Research for support of this work.
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Published In
Journal of Engineering Mechanics
Volume 141 • Issue 7 • July 2015
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Oct 14, 2013
Accepted: Nov 13, 2014
Published online: Apr 20, 2015
Published in print: Jul 1, 2015
Discussion open until: Sep 20, 2015
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