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Damage accumulation and hysteretic behavior of MAX phase materials

Poon, B. and Ponson, L. and Zhao, J. and Ravichandran, G. (2011) Damage accumulation and hysteretic behavior of MAX phase materials. Journal of the Mechanics and Physics of Solids, 59 (10). pp. 2238-2257. ISSN 0022-5096.

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The compressive response of fully dense and 10 vol% porous Ti_(2)AlC MAX phase materials subjected to quasi-static uniaxial and cyclic loading including their repeatable hysteretic behavior is presented. Damage accumulation in the form of kink bands and microcracking is characterized using ultrasonics and scanning electron microscopy under different levels of compressive loading. The observations and measurements are correlated quantitatively using a model based on friction between the crack faces, which is the main dissipation process. The model is shown to capture the hysteretic behavior of Ti_(2)AlC MAX phase and quantitatively reproduce the experimentally measured stress–strain curves.

Item Type:Article
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Ravichandran, G.0000-0002-2912-0001
Additional Information:© 2011 Elsevier Ltd. Received 14 November 2009; revised 23 February 2011; Accepted 13 March 2011. Available online 20 July 2011. This work was supported by DARPA/DSO through the Naval Research Laboratory and is gratefully acknowledged. L. P. thanks the support from the European Union through the Marie Curie program. We thank Dr. T. El-Raghy for providing the MAX materials used in this investigation and Drs. R.K. Everett and J.P. Thomas for helpful discussions.
Funding AgencyGrant Number
DARPA/DSO Naval Research LaboratoryUNSPECIFIED
European Union Marie Curie ProgramUNSPECIFIED
Subject Keywords:Constitutive behavior; Mechanical testing; Microcracking; Fractography; Damage
Issue or Number:10
Record Number:CaltechAUTHORS:20111024-140753135
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Official Citation:B. Poon, L. Ponson, J. Zhao, G. Ravichandran, Damage accumulation and hysteretic behavior of MAX phase materials, Journal of the Mechanics and Physics of Solids, Volume 59, Issue 10, October 2011, Pages 2238-2257, ISSN 0022-5096, 10.1016/j.jmps.2011.03.012.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:27386
Deposited By: Jason Perez
Deposited On:24 Oct 2011 22:34
Last Modified:09 Mar 2020 13:19

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