Estimation of fatigue damage using system response based on mechanical model of polymer matrix composites

In this study, the fatigue damage of polymer matrix composites (PMC) is estimated quantitatively using the system response based on the mechanical model of PMC. In detail, the discrete equation of PMC is derived using a simplified mechanical model, and the fatigue test is performed. Moreover, the fa...

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Bibliographic Details
Published in:Composite structures 2009-09, Vol.90 (1), p.28-33
Main Authors: Song, D.-Y., Otani, N.
Format: Article
Language:English
Subjects:
Applied sciences
Composites
Exact sciences and technology
Fatigue damage estimation
Forms of application and semi-finished materials
Fracture mechanics (crack, fatigue, damage...)
Fundamental areas of phenomenology (including applications)
Mechanical model
Physics
Polymer industry, paints, wood
Solid mechanics
Structural and continuum mechanics
Technology of polymers
Time series parameter
Variance of strain distribution
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Summary:In this study, the fatigue damage of polymer matrix composites (PMC) is estimated quantitatively using the system response based on the mechanical model of PMC. In detail, the discrete equation of PMC is derived using a simplified mechanical model, and the fatigue test is performed. Moreover, the fatigue damage (i.e., transverse crack density) is examined and discussed in relation to the mechanical constants, the time series parameters and the response distribution. It is revealed that the fatigue damage of PMC can be fully estimated by using the time series parameters as well as the variance of strain distribution.
ISSN:0263-8223
1879-1085
DOI:10.1016/j.compstruct.2009.01.002