Effect of Microstructure and Sintering Temperature on Fabrication of NITE-SiCf/SiC Composite

Abstract:

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Silicon carbide fiber-reinforced silicon carbide matrix composites (SiCf/SiC composites) are attractive materials for use in the blankets and divertors of fusion reactors due to their excellent thermo-mechanical properties and inherently low induced radioactivation. However, the brittle characteristics of SiC such as low fracture toughness and low strain-to fracture impose a severe limitation on the practical applications of SiC materials. SiCf/SiC composites can be considered as a promising candidate in various structural materials, because of their good fracture toughness. In this composite system, the direction of SiC fiber will give an effect to the mechanical properties such as fracture toughness and tensile strength. Therefore, it is important to control a proper direction of SiC fiber for the fabrication of high performance SiCf/SiC composites. .

Info:

Periodical:

Key Engineering Materials (Volumes 345-346)

Edited by:

S.W. Nam, Y.W. Chang, S.B. Lee and N.J. Kim

Pages:

1229-1232

DOI:

10.4028/www.scientific.net/KEM.345-346.1229

Citation:

Y. J. Lee and H. K. Yoon, "Effect of Microstructure and Sintering Temperature on Fabrication of NITE-SiCf/SiC Composite ", Key Engineering Materials, Vols. 345-346, pp. 1229-1232, 2007

Online since:

August 2007

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Price:

$35.00

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