Journal
PHILOSOPHICAL MAGAZINE
Volume 94, Issue 16, Pages 1754-1763Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786435.2014.895442
Keywords
deformation characterization with nanoscratch testing (DCNT); metal-matrix composites (MMCs); deformation structure
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Funding
- Office of Naval Research (ONR) [N00014-12-1-0237]
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We report on the novel application of nanoscratch characterization to provide insight into the plasticity mechanisms responsible for the behaviour of composites. Accordingly, we conduct deformation characterization with nanoscratch testing (DCNT) to study the deformation behaviour of two B4C reinforced ultrafine grained Al alloy tri-modal composites with average B4C particle sizes of similar to 1-6 mu m and similar to 500 nm, respectively. To highlight the type of mechanistic information revealed in a DCNT study of composites, we concentrate on the influence of B4C particle size on deformation mechanisms.
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