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Crack deflection processes—I. Theory

Faber, K. T. and Evans, A. G. (1983) Crack deflection processes—I. Theory. Acta Metallurgica, 31 (4). pp. 565-576. ISSN 0001-6160. doi:10.1016/0001-6160(83)90046-9.

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A fracture mechanics approach has been used to predict fracture toughness increases due to crack deflection around second phase particles. The analysis is based on a determination of the initial tilt and the maximum twist of the crack front between particles, which provides the basis for evaluating the deflection-induced reduction in crack driving force. Features found to be important in determining the toughness increase include the volume fraction of second phase, the particle morphology and aspect ratio, and the distribution of interparticle spacing. Predictions are compared with expected surface area increases.

Item Type:Article
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URLURL TypeDescription
Faber, K. T.0000-0001-6585-2536
Additional Information:Copyright © 1983 Elsevier. (Received 31 August 1982). The research of K. T. Faber was sponsored by The Carborundum Company, Niagara Falls, NY, and of A. G. Evans by ONR (Contract No. 00014-81-K-0362). Computational assistance was provided by M. D. Drory.
Funding AgencyGrant Number
Carborundum CompanyUNSPECIFIED
Office of Naval Research (ONR)00014-81-K-0362
Issue or Number:4
Record Number:CaltechAUTHORS:20140908-181331325
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Official Citation:K.T. Faber, A.G. Evans, Crack deflection processes—I. Theory, Acta Metallurgica, Volume 31, Issue 4, April 1983, Pages 565-576, ISSN 0001-6160, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49458
Deposited By: George Porter
Deposited On:10 Sep 2014 15:00
Last Modified:10 Nov 2021 18:44

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