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High strain rate indentation-induced deformation in alumina ceramics measured by Cr3+ fluorescence mapping

Abstract:

Alumina materials with a range of grain sizes and purities were subjected to small-scale dynamic impact by sharpened tungsten carbide projectiles at sub-ballistic velocities. The resistance of the materials to fracture was recorded by visual examination of the cracking on the impacted surface and the damage in the subsurface region. The residual stress and plastic deformation induced in each material were examined using Cr3+ fluorescence mapping. A modified Hertzian indentation model of the s...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1016/j.jeurceramsoc.2011.06.002

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Institution:
University of Oxford
Department:
Oxford
More by this author
Institution:
University of Oxford
More by this author
Institution:
University of Oxford
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Engineering and Physical Sciences Research Council More from this funder
Ministry of Defence, UK More from this funder
Publisher:
Elsevier Publisher's website
Journal:
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY Journal website
Volume:
31
Issue:
13
Pages:
2177-2187
Publication date:
2011-11-05
DOI:
ISSN:
0955-2219
URN:
uuid:8a8e36de-22b6-426e-9771-92c8dd9e3309
Source identifiers:
172251
Local pid:
pubs:172251

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