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Home  >  Journal list  >  Journal of the Society of Materials Science, Japan  >  Vol.55  No.9 (2006)  >  pp.868-873

Journal of the Society of Materials Science, Japan
<<Previous article Vol.55  No.9 (2006)   pp.868 - 873 Next article>>

A New Strength Prediction Method for 2D-C/C Composite Components

Satoshi HANAWA1), Masahiro ISHIHARA2), Taijyu SHIBATA1), Kazuhiro SAWA1) and Yoshinobu MOTOHASHI3)
1) Nuclear Applied Heat Tech. Div., Japan Atomic Energy Agency
2) Policy Planning and Administration Dept., Japan Atomic Energy Agency
3) Faculty of Eng., Ibaraki Univ.

The strength prediction method for 2D-C/C composite components is proposed in this paper. The proposed method is based on the combination of competing risk model and FEM stress analysis. In the strength prediction, tensile and compressive fracture to lamina direction, tensile and compressive fracture transverse to lamina direction and shear fracture were introduced as basic fracture modes. In order to investigate the applicability of the proposed method, the fracture test with structural element test specimens was performed, and the result was compared with prediction result by the method. From the comparison, it was shown that the proposed prediction method has a slightly higher but more precise prediction than the other traditional fracture models. As a result of this study, it is concluded that the proposed method was applicable to arbitrary shaped 2D-C/C composite components.

Strength prediction model, 2D-C/C composite, Competing risk model, Statistical treatment

Received: November 07, 2005
Published online: September 15, 2006
Copyright (c) 2006 by The Society of Materials Science, Japan



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