Application of the Monkman-Grant Relationship for Ultrafine-Grained Metallic Materials
2013 ◽
Vol 577-578
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pp. 137-140
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The applicability of the Monkman-Grant relationship was analyzed and validated for ultrafine-grained metallic materials under investigation. A special attention has been given to the creep damage tolerance factor which is defined as the ratio of the strain to fracture to the Monkman-Grant ductility and which describes the coupling between creep deformation and damage based on continuum creep damage approach. It was found, that ultrafine-grained materials generally obey the Monkman-Grant relationship, however, the relationship is especially suitable for materials exhibiting short secondary creep and long tertiary creep stages when dislocation-controlled creep is dominant.
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2007 ◽
Vol 124-126
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pp. 1325-1328
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2007 ◽
Vol 558-559
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pp. 1283-1294
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2011 ◽
Vol 21
(8)
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pp. 1186-1201
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