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New Perspectives in Plasticity Theory: Dislocation Nucleation, Waves, and Partial Continuity of Plastic Strain Rate

Faculty of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, PA, USA

Armand Beaudoin

Department of Mechanical Science and Engineering, University of Illinois at UrbanaChampaign, Urbana, IL, USA

Ron Miller

Department of Mechanical and Aerospace Engineering, Carleton University, Ottawa, ON, Canada

A field theory of dislocation mechanics and plasticity is illustrated through new results at the nano, meso, and macro scales. Specifically, dislocation nucleation, the occurrence of wave-type response in quasi-static plasticity, and a jump condition at material interfaces and its implications for analysis of deformation localization are discussed.

Key Words: dislocations • plasticity • waves • nucleation • plastic fronts

Mathematics and Mechanics of Solids, Vol. 13, No. 3-4, 292-315 (2008)
DOI: 10.1177/1081286507086903


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