On Dynamical Systems at the Portevin-Le Chatelier Effect

Abstract:

Article Preview

This paper studies Portevin-Le Chatelier (PLC) effect as a form of dynamic material instability. In such phenomenon negative rate dependence is coupled with the appearance of a selfsustained oscillatory behavior in solid bodies. The tools of the investigation are of the theory of dynamical system. By selecting a proper form of the constitutive equation of the rate dependent material, a dynamical system will be constructed from the basic equations of continua. Then the birth of a self-sustained oscillation is detected at the conditions of a dynamic material instability mode. This results show an interpretation of PLC as a flutter type of loss of material stability.

Info:

Periodical:

Key Engineering Materials (Volumes 340-341)

Edited by:

N. Ohno and T. Uehara

Pages:

301-306

DOI:

10.4028/www.scientific.net/KEM.340-341.301

Citation:

P. B. Béda "On Dynamical Systems at the Portevin-Le Chatelier Effect", Key Engineering Materials, Vols. 340-341, pp. 301-306, 2007

Online since:

June 2007

Authors:

Export:

Price:

$35.00

In order to see related information, you need to Login.

In order to see related information, you need to Login.