The effect of strain rate on the character of sigma - epsilon diagrams

The effect of strain rate on the character of sigma - epsilon diagrams

An equation governing the evolution of elastic strains (stresses) for a given strain rate, is obtained using the field theory of defects under the assumption of uniform defect distribution. Strain diagrams are constructed by numerical solution of this equation and qualitative analysis of the phase p...

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Veröffentlicht in:Journal of applied mechanics and technical physics 2002-07, Vol.43 (4), p.612-616
Hauptverfasser: Grinyaev, Y V, Chertova, N V, Chertov, M A
Format: Artikel
Sprache:eng
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Zusammenfassung:An equation governing the evolution of elastic strains (stresses) for a given strain rate, is obtained using the field theory of defects under the assumption of uniform defect distribution. Strain diagrams are constructed by numerical solution of this equation and qualitative analysis of the phase portrait of the corresponding dynamic system. The effect of strain rate on the mechanical properties of materials is studied.
ISSN:0021-8944