On the behaviour of a particulate metal matrix composite subjected to cyclic temperature and constant stress

Haofeng Chen, Alan R.S. Ponter

Research output: Contribution to journal › Article

20 Citations (Scopus)

Abstract

The paper describes a method of characterising the behaviour of an idealised particulate metal matrix composite composed of elastic particles and an elastic-perfectly plastic matrix subjected to constant macro stress and a cyclic temperature history. The computational method, the Linear Matching Method, was originally developed for structural life assessment studies, and allows a direct evaluation of the load ranges for which differing modes of behaviour occur in the steady cyclic state; shakedown, reverse plasticity and ratchetting. A simple homogenised model is considered, consisting of spherical particles embedded in a cubic matrix array. The resulting solutions are presented as non-dimensional equations derived from numerical solutions for two composites, alumina and silicon carbide particles embedded in an aluminium matrix.
LanguageEnglish
Pages425-441
Number of pages16
JournalComputational Materials Science
Volume34
Issue number4
DOIs
Publication statusPublished - Dec 2005

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Metal Matrix Composites
metal matrix composites
particulates
Metals
carbides
Composite materials
matrices
Alumina
plastic properties
Plasticity
silicon carbides
Computational Methods
Temperature
Aluminum
temperature
Aluminum Oxide
Reverse
Plastics
Silicon
plastics

Keywords

  • particulate composites
  • thermal loading
  • plasticity
  • shakedown
  • ratchetting
  • materials science

Cite this

Chen, Haofeng ; Ponter, Alan R.S. / On the behaviour of a particulate metal matrix composite subjected to cyclic temperature and constant stress. In: Computational Materials Science. 2005 ; Vol. 34, No. 4. pp. 425-441.
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Chen, H & Ponter, ARS 2005, 'On the behaviour of a particulate metal matrix composite subjected to cyclic temperature and constant stress' Computational Materials Science, vol. 34, no. 4, pp. 425-441. https://doi.org/10.1016/j.commatsci.2005.01.012

On the behaviour of a particulate metal matrix composite subjected to cyclic temperature and constant stress. / Chen, Haofeng; Ponter, Alan R.S.

In: Computational Materials Science, Vol. 34, No. 4, 12.2005, p. 425-441.

Research output: Contribution to journal › Article

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AU - Ponter, Alan R.S.

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N2 - The paper describes a method of characterising the behaviour of an idealised particulate metal matrix composite composed of elastic particles and an elastic-perfectly plastic matrix subjected to constant macro stress and a cyclic temperature history. The computational method, the Linear Matching Method, was originally developed for structural life assessment studies, and allows a direct evaluation of the load ranges for which differing modes of behaviour occur in the steady cyclic state; shakedown, reverse plasticity and ratchetting. A simple homogenised model is considered, consisting of spherical particles embedded in a cubic matrix array. The resulting solutions are presented as non-dimensional equations derived from numerical solutions for two composites, alumina and silicon carbide particles embedded in an aluminium matrix.

AB - The paper describes a method of characterising the behaviour of an idealised particulate metal matrix composite composed of elastic particles and an elastic-perfectly plastic matrix subjected to constant macro stress and a cyclic temperature history. The computational method, the Linear Matching Method, was originally developed for structural life assessment studies, and allows a direct evaluation of the load ranges for which differing modes of behaviour occur in the steady cyclic state; shakedown, reverse plasticity and ratchetting. A simple homogenised model is considered, consisting of spherical particles embedded in a cubic matrix array. The resulting solutions are presented as non-dimensional equations derived from numerical solutions for two composites, alumina and silicon carbide particles embedded in an aluminium matrix.

KW - particulate composites

KW - thermal loading

KW - plasticity

KW - shakedown

KW - ratchetting

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Chen H, Ponter ARS. On the behaviour of a particulate metal matrix composite subjected to cyclic temperature and constant stress. Computational Materials Science. 2005 Dec;34(4):425-441. https://doi.org/10.1016/j.commatsci.2005.01.012

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