A thermomechanical analysis of advanced composites in a wide temperature range is presented. This analysis is based on the micromechanics method of cells. An incremental formulation of the micromechanics model is developed to facilitate the use of various inelastic constitutive theories. These theories incorporate time-dependent and temperature-dependent features for modeling different types of metal matrices. The constitutive models include the Bodner-Partom unified theory of viscoplasticity, the incremental plasticity model, and a power-law creep model. The effect of the cooling rate, taking into account temperature-dependent matrix properties, on residual thermal stresses is subsequently investigated for a SiC/Ti composite using the different models for the matrix phases. Predictions generated using the micromechanics method are compared with available results of finite-element analysis.
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October 1994
Research Papers
The Effect of Matrix Constitutive Model on Residual Thermal Stresses in MMC
James B. Brayshaw,
James B. Brayshaw
Civil Engineering and Applied Mechanics Department, University of Virginia, Charlottesville, VA 29903
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Marek-Jerzy Pindera
Marek-Jerzy Pindera
Civil Engineering and Applied Mechanics Department, University of Virginia, Charlottesville, VA 29903
Search for other works by this author on:
James B. Brayshaw
Civil Engineering and Applied Mechanics Department, University of Virginia, Charlottesville, VA 29903
Marek-Jerzy Pindera
Civil Engineering and Applied Mechanics Department, University of Virginia, Charlottesville, VA 29903
J. Eng. Mater. Technol. Oct 1994, 116(4): 505-511 (7 pages)
Published Online: October 1, 1994
Article history
Received:
June 1, 1991
Revised:
September 2, 1993
Online:
April 29, 2008
Citation
Brayshaw, J. B., and Pindera, M. (October 1, 1994). "The Effect of Matrix Constitutive Model on Residual Thermal Stresses in MMC." ASME. J. Eng. Mater. Technol. October 1994; 116(4): 505–511. https://doi.org/10.1115/1.2904320
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