A mean-field micromechanical model of thermal-ratcheting behavior in short fiber-reinforced metal matrix composites

Tsukamoto, Hideaki (2010) A mean-field micromechanical model of thermal-ratcheting behavior in short fiber-reinforced metal matrix composites. Acta Materialia, 58 10: 3709-3717. doi:10.1016/j.actamat.2010.03.008


Author Tsukamoto, Hideaki
Title A mean-field micromechanical model of thermal-ratcheting behavior in short fiber-reinforced metal matrix composites
Journal name Acta Materialia   Check publisher's open access policy
ISSN 1359-6454
1873-2453
Publication date 2010-01-01
Year available 2010
Sub-type Article (original research)
DOI 10.1016/j.actamat.2010.03.008
Open Access Status Not Open Access
Volume 58
Issue 10
Start page 3709
End page 3717
Total pages 9
Place of publication Kidlington, Oxford, United Kingdom
Publisher Pergamon
Language eng
Subject 2503 Ceramics and Composites
2504 Electronic, Optical and Magnetic Materials
2506 Metals and Alloys
2507 Polymers and Plastics
Abstract Thermal-ratcheting behavior in short fiber-reinforced metal matrix composites has been investigated. The internal stresses due to mismatch in thermal expansion coefficients between the fiber and matrix in the composites can introduce anomalous deformation under thermal-cycling conditions with or without external mechanical loads. This study has resulted in a more comprehensive understanding of such thermal-ratcheting behavior in short fiber-reinforced composites subject to a wide range of external uniaxial loads based on a mean-field micromechanical model considering the local mass transfer by diffusion along the fiber-matrix interface. The validity of the model has been verified through systematic experiments with directionally solidified Al-Al3Ni eutectic composites.
Keyword Internal stress
Metal matrix composites (MMCs)
Micromechanical modeling
Thermal ratcheting
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mechanical & Mining Engineering Publications
 
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