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J. Korean Ceram. Soc. > Volume 45(8); 2008 > Article
Journal of the Korean Ceramic Society 2008;45(8): 486.
doi: https://doi.org/10.4191/kcers.2008.45.8.486
용융 Si 침윤법에 의해 제조된 반응소결 탄화규소 복합체에서 SiC 입자 크기의 영향
윤성호, 조경선, Phang Nhun Tan, 정훈, 김영도1, 박상환
한국과학기술연구원 재료기술연구본부
1한양대학교 신소재공학과
The Effect of SiC Powder Size at Reaction Bonded SiC Composite Fabricated by a Molten Si Infiltration Method
Sung-Ho Yun, Kyung-Sun Cho, Phang Nhun Tan, Hun Cheong, Young-Do Kim1, Sang-Whang Park
Materials Science & Technology Research Division, Korea Institute of Science and Technology
1Department Materials Science and Engineering, Hanyang University
Reaction bonded silicon carbide(RBSC) composite for heat-exchanger was fabricated by molten Si infiltration method. The raw materials with variable particle sizes were used in this experience. The finer the particle size in sintered silicon carbide was the more increasing 3-point bending strength and fracture toughness. As the adaptable particle sizes had been occupied interstice arising from packing sample, the mechanical properties were increased. In the PCS1-1 sample, the 3-point bending strength and fracture toughness were 323MPa and $4.9;MPa{cdot}m^{1/2}$, respectively.
Key words: Silicon carbide, RBSC, Si infiltration, Phenol resin, Heat-exchanger
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