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Evaluation of strength anisotropy and fracture behavior of UD NITE-SiC/SiC composites with various fiber orientations

1 College of Design and Manufacturing Technology, Muroran Institute of Technology, 27-1, Mizumoto-cho, Muroran, Hokkaido, 080-8585, Japan
2 Organization of Advanced Sustainability Initiative for Energy System/Material (OASIS), Muroran Institute of Technology, 27-1, Mizumoto-cho, Muroran, Hokkaido, 080-8585, Japan

Topical Section: Advanced composites

A SiC/SiC composite by Nano-infiltration and Transient Eutectic-phase (NITE) process is the attractive candidate materials for advanced energy systems, aero-space system. The NITE process is improved to the industrialization grade process from the laboratory grade process. In order to ensure reliability of products by NITE-SiC/SiC composites, understanding of the strength anisotropy is important. This paper presented the basic strength anisotropy knowledges of unidirectional (UD) type NITE-SiC/SiC composites with various fiber orientations by correlation evaluation of microstructure and mechanical properties. Also, the strength anisotropy evaluation of UD NITE-SiC/SiC composites utilizing the strength anisotropy prediction theories were discussed. The axial/off-axial mechanical properties of UD NITE-SiC/SiC composites by the industrialization grade process were evaluated by axial/off-axial tensile test. The mechanical properties of NITE-SiC/SiC composites fabricated tended to decrease with increasing of fiber orientation angle. The experiment results by axial/off-axial tensile test were consistent with the strength anisotropy prediction theories by the maximum normal stress theory and the Tsai-Hill criterion. Also, the failure mode of SiC/SiC composites fabricated with each fiber orientation angle was consistent with fracture surface observation results. The strength anisotropy of UD NITE-SiC/SiC composites was suggested to be able to predict by Tsai-Hill criterion. The basic strength anisotropy of UD SiC/SiC composites was understood.
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1. Naslain R (2004) Design, preparation and properties of non-oxide CMCs for application in engines and nuclear reactors: an overview. Sci Compos Tech 64: 155–170.    

2. Kohyama A, Kishimoto H (2013) SiC/SiC composite materials for nuclear application. Nucl Saf Simul 4: 72–79.

3. Kotoh Y, Snead LL, Henager CH Jr, et al. (2014) Curent status and recent research achievements in SiC/SiC composites. J Nucl Mater 455: 387–397.

4. Yang W, Noda T, Araki H, et al. (2003) Mechanical properties of several advanced Tyranno-SA fiber-reinforced CVI-SiC matrix composites. Mater Sci Eng A345: 28–35.

5. Jones R, Szweda A, Petrak D (1999) Polymer derived ceramic matrix composites. Composites A30: 569–575.

6. Lee SP, Katoh Y, Kohyama A (2001) Microstructure analysis and strength evaluation of reaction sintered SiC/SiC composites. Scripta Mater 44: 153–157.    

7. Kohyama A, Dong SM, Katoh Y (2002) Development of SiC/SiC composites by Nano-Infiltration and Transient Eutectoid (NITE) process. Ceram Eng Sci Proc 23: 311–318.

8. Katoh Y, Dong SM, Kohyama A (2002) Thermo-mechanical properties and microstructure of silicon carbide composites fabricated by nano-infiltrated transient eutectoid process. Fusion Eng Des 61–62: 723–731.

9. Dong SM, Katoh Y, Kohyama A (2003) Preparation of SiC/SiC composites by hot pressing, using Tyranno-SA fiber as reinforcement. J Am Ceram Soc 86: 26–32.

10. Kohyama A, Park JS, Jung HC (2011) Advanced SiC fibers and SiC/SiC composites toward industrialization. J Nucl Mater 417: 340–343.    

11. Nakazato N, Kohyama A, Kohno Y (2012) Effect of SiC powders surface property on densification of NITE-SiC Preforms. J Jpn I Met 76: 634–638.    

12. Nakazato N, Kishimoto H, Shimoda K, et al. (2011) Effects of preform densification on near-net shaping of NITE-SiC/SiC composites. IOP Conference Series: Materials Science and Engineering 18: 202011.    

13. Nozawa T, Ozawa K, Choi YB, et al. (2012) Determination and prediction of axial/off-axial mechanical properties of SiC/SiC composites. Fusion Eng Des 87: 803–807.    

14. Azzi VD, Tsai SW (1965) Anisotropy strength of composites. Exp Mech 5: 283–288.    

15. Hull D, Clyne TW (1996) An Introduction to Composite Materials, Cambridge University Press, 184–190

16. Sinclair JH, Chamis CC (1981) Fracture Modes in Off-Axis Fiber Composites. Polym Composite 2: 45–52.

Copyright Info: © 2016, Naofumi Nakazato, et al., licensee AIMS Press. This is an open access article distributed under the terms of the Creative Commons Attribution Licese (http://creativecommons.org/licenses/by/4.0)

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