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Three-dimensional crack observation, quantification and simulation in a quasi-brittle material

Abstract:

To investigate the fracture behaviour of polygranular graphite (a quasi-brittle material), crack propagation in a short bar chevron notched specimen was studied by synchrotron X-ray computed tomography combined with digital volume correlation. Displacements were measured within the loaded test specimen, particularly the three-dimensional (3-D) profile of crack opening displacement. Analysis of the 3-D displacement field confirmed the existence of distributed damage in a fracture process zone,...

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Publication status:
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Authors


Mostafavi, M More by this author
Baimpas, N More by this author
Tarleton, E More by this author
Atwood, RC More by this author
McDonald, SA More by this author
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Journal:
ACTA MATERIALIA
Volume:
61
Issue:
16
Pages:
6276-6289
Publication date:
2013-09-05
DOI:
ISSN:
1359-6454
URN:
uuid:579d175e-a4f8-42d5-96c3-64c53cea224d
Source identifiers:
417138
Local pid:
pubs:417138

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