Mechanical Properties and Microstructure of KD-1 SiC_f/SiC Composites Fabricated by Vapor Silicon Infiltration

Abstract:

Continuous silicon carbide fiber reinforced silicon carbide matrix (SiCf/SiC) composites were fabricated by a combining polymer impregnation and pyrolysis (PIP) and vapor silicon infiltration (VSI) process. The mechanical properties and microstructure of the SiCf/SiC composites were studied. The results show that the open porosity of the SiCf/SiC composites is near zero. The density and mechanical properties of SiCf/SiC increase with decreasing the porosity of SiCf/C. However, the SiC fibers are damaged during the VSI process due to the reaction between SiC fibers and vapor Si.

• Periodical: Materials Science Forum (Volumes 675-677)
• Pages: 151-153
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.675-677.151
• Online since: February 2011
• Authors: Hong Lei Wang, Xin Gui Zhou, Ying Bin Cao, Jin Shan Yu, Rong Jun Liu
• Keywords: Composite, Fiber, Microstructure, Silicon Carbide (SiC)

References

[1] Nozawa T, Hinoki T, Hasegawa A. J Nucl Mat Vol. 386-388 (2009), p.322.

[2] Katoh Y, Snead L L. J Nucl Mat Vol. 367-370(2007), p.659.

[3] Hasegawa A, Kohyama A, Jones R H. J Nucl Mat Vol. 283-287(2000), p.128.

[4] Giancarli L. Fusion Eng Vol. 48(2000), p.509.

[5] Taguchi T, Igawa N, Yamada R. J Phys Ch S Vol. 66(2005), p.576.

[6] Lee S P, Katoh Y, Park J S. J Nucl Mat Vol. 289(2001), P. 30.

[7] Zhou Q, Dong S, Zhang X. J Am Ceram Soc Vol. 89(2006), P. 2338.