Paper Title:
On Modeling of Portevin - Le Chatelier Effect
  Abstract

There are several self-sustained oscillatory phenomena observed at plastic deformation of metals. One of them happens at the beginning of plastic behavior and leads to appearance of the famous Lüders-Hartmann bands. However, it can also be found self-sustained oscillations well beyond the yield stress like Portevin and Le Chatelier did in the early 20th century. This paper presents a simple model of that by using continuum approach and the theory of dynamical systems.

  Info
Periodical
Edited by
P. J. Szabó and T. Berecz
Pages
367-371
DOI
10.4028/www.scientific.net/MSF.659.367
Citation
P. B. Béda, "On Modeling of Portevin - Le Chatelier Effect", Materials Science Forum, Vol. 659, pp. 367-371, 2010
Online since
September 2010
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