tension-tension fatigue behavior of unidirectional c/sic ceramic-matrix composite at room temperature and 800 °c in air atmosphere

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ID: 223491
2015
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Abstract
The tension-tension fatigue behavior of unidirectional C/SiC ceramic-matrix composite at room temperature and 800 °C under air has been investigated. The fatigue hysteresis modulus and fatigue hysteresis loss energy corresponding to different number of applied cycles have been analyzed. The fatigue hysteresis loops models for different interface slip cases have been derived based on the fatigue damage mechanism of fiber slipping relative to matrix in the interface debonded region upon unloading and subsequent reloading. The fiber/matrix interface shear stress has been estimated for different numbers of applied cycles. By combining the interface shear stress degradation model and fibers strength degradation model with fibers failure model, the tension-tension fatigue life S-N curves of unidirectional C/SiC composite at room temperature and 800 °C under air have been predicted.
Reference Key
li2015materialstension-tension Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Longbiao Li
Journal Nature Materials
Year 2015
DOI
10.3390/ma8063316
URL
http://www.mdpi.com/1996-1944/8/6/3316
Keywords
fatigue electronics civil engineering (general)microscopydescriptive and experimental mechanics nuclear engineeringengineering (general)

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