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A constitutive model describing the necking behaviour of aluminium during tension and creep

A constitutive model describing the necking behaviour of aluminium during tension and creep JOURN A L O F M AT E R IALS SCIENCE LETT ERS 17 (1 998 ) 1 93± 196 A constitutive model describing the necking behaviour of aluminium during tension and creep E. H . O U AKDI, R . L O U AHDI Institut d'Optique et de Me  canique de Pre  cision, Universite  Ferhat Abbes, Se  tif 19000, Algeria G. FERRON Lab. de Physique et Me  canique des Materiaux (LPMM), Universite  de Metz, Ile de Saulcy, Metz 57045, France The analysis of the necking process in rods under where B is a constant and k represents the value of a0 tension has been the subject of numerous studies the annihilation constant at a low temperature and=or [1, 2]. It has been particularly well established that a high strain rate. The diffusion coef®cient depends the effects of both strain-rate sensitivity [1] and on the temperature: D ˆ D (T ) [6]. The subgrain L L inertia [2] retard the development of necking, size d is given by the following model: whereas thermal effects associated with the produc- ÿ1=3 å _ tion of heat during plastic deformation accelerate it. d ˆ d ‡ http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Science Letters Springer Journals

A constitutive model describing the necking behaviour of aluminium during tension and creep

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References (4)

Publisher
Springer Journals
Copyright
Copyright © 1997 by Chapman and Hall
Subject
Material Science; Characterization and Evaluation of Materials; Industrial Chemistry/Chemical Engineering; Polymer Sciences; Mechanics
ISSN
0261-8028
eISSN
1573-4811
DOI
10.1023/A:1006571909042
Publisher site
See Article on Publisher Site

Abstract

JOURN A L O F M AT E R IALS SCIENCE LETT ERS 17 (1 998 ) 1 93± 196 A constitutive model describing the necking behaviour of aluminium during tension and creep E. H . O U AKDI, R . L O U AHDI Institut d'Optique et de Me  canique de Pre  cision, Universite  Ferhat Abbes, Se  tif 19000, Algeria G. FERRON Lab. de Physique et Me  canique des Materiaux (LPMM), Universite  de Metz, Ile de Saulcy, Metz 57045, France The analysis of the necking process in rods under where B is a constant and k represents the value of a0 tension has been the subject of numerous studies the annihilation constant at a low temperature and=or [1, 2]. It has been particularly well established that a high strain rate. The diffusion coef®cient depends the effects of both strain-rate sensitivity [1] and on the temperature: D ˆ D (T ) [6]. The subgrain L L inertia [2] retard the development of necking, size d is given by the following model: whereas thermal effects associated with the produc- ÿ1=3 å _ tion of heat during plastic deformation accelerate it. d ˆ d ‡

Journal

Journal of Materials Science Letters – Springer Journals

Published: Sep 29, 2004

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