4.4 Article

Thermal Effect in Dynamic Yielding and Fracture of Metals and Alloys

Journal

MATHEMATICS AND MECHANICS OF SOLIDS
Volume 14, Issue 1-2, Pages 72-87

Publisher

SAGE PUBLICATIONS LTD
DOI: 10.1177/1081286508092603

Keywords

fracture; yielding; brittle-to-ductile transition; impact loading; strain rate effects; time-temperature correspondence; incubation time approach

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The explanation of transition between ductile and brittle modes of fracture based on the incubation time concept is proposed. This approach allows us to establish relation between the influences of different loading parameters (strain-rate, temperature) on the mode of fracture. Proposed criteria give explanation to anomalous behavior of yield limit and possible high-temperature embrittlement.

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