Fracture Behavior and Its Shear Lag – Monte Carlo Simulation of SiC/SiC Composite Exposed in Air at High Temperatures

Kohei Morishita; H. Tanaka; Shigeru Kimura; Hiroshi Okuda; Shojiro Ochiai; Masashi Tanaka; M. Hojo; H. Nakayama; M. Sato

doi:10.4028/www.scientific.net/MSF.475-479.1101

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HomeMaterials Science ForumMaterials Science Forum Vols. 475-479Fracture Behavior and Its Shear Lag – Monte Carlo...

Fracture Behavior and Its Shear Lag – Monte Carlo Simulation of SiC/SiC Composite Exposed in Air at High Temperatures

Abstract:

It has been reported that SiC/SiC composite has high strength and toughness, but is degraded when exposed in air at high temperatures due to the propagation of the crack made by the premature fracture of the SiO2 layer. The present work aimed to describe such a behavior with a computer simulation. For this aim, the shear lag - Monte Carlo simulation method was applied. The variation of strength of the composite as a function of thickness of the SiO2 layer and change of fracture morphology with progressing oxidation could be reproduced satisfactorily by this method.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

1101-1104

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.1101

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Online since:

January 2005

Authors:

Kohei Morishita, H. Tanaka, Shigeru Kimura, Hiroshi Okuda, Shojiro Ochiai, Masashi Tanaka, M. Hojo, H. Nakayama, M. Sato

Keywords:

Fracture Behaviour, Monte-Carlo Simulation, Oxidation, SiC/SiC Composite

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