Phys. Rev. Lett. 78, 4502–4505 (1997)Dynamics of Plastic Deformation Fronts in an Aluminum AlloyReceived 4 February 1997; published in the issue dated 9 June 1997 Forming aluminum alloys into desired shapes has long been hampered by undesired propagating fronts of plastic flow. We have performed experiments to investigate these fronts to find what causes their motion and what determines their velocity. A simple phenomenology quantitatively captures many experimental details, most importantly the propagation of the fronts at constant stress and the transition between hopping and continuous front motion. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.78.4502
DOI:
10.1103/PhysRevLett.78.4502
PACS:
81.40.Lm, 81.05.Bx
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