http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : 노비얀토 알피안 (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
-
SiC_f/SiC 복합체의 특성에 미치는 열간가압소결 조건의 영향
노비얀토 알피안,윤당혁 한국세라믹학회 2011 한국세라믹학회지 Vol.48 No.5
Continuous SiC fiber-reinforced SiC-matrix composites (SiC_f/SiC) had been fabricated by electrophoretic infiltration combined with ultrasonication. Nano-sized β-SiC added with 12 wt% of Al_2O_3-Y_2O_3 additive and Tyranno^(TM)-SA3 fabric were used as a matrix phase and fiber reinforcement, respectively. After hot pressing at 5 different conditions, the density, microstructure and mechanical properties of SiC_f/SiC were characterized. Hot pressing at relatively severe conditions, such as 1750℃ for 1 and 2 h, resulted in a brittle fracture behavior due to the strong fiber-matrix interface in spite of their high flexural strength. On the other hand, toughened SiC_f/SiC composite could be achieved by hot pressing at milder condition because of the formation of weak interface in spite of the decreased flexural strength. These results proposed the importance of weak fiber-matrix interface in the fabrication of ductile SiC_f/SiC composite.
-
SiC<sub>f</sub>/SiC 복합체의 특성에 미치는 열간가압소결 조건의 영향
노비얀토 알피안,윤당혁,Noviyanto, Alfian,Yoon, Dang-Hyok 한국세라믹학회 2011 한국세라믹학회지 Vol.48 No.5
Continuous SiC fiber-reinforced SiC-matrix composites ($SiC_f$/SiC) had been fabricated by electrophoretic infiltration combined with ultrasonication. Nano-sized ${\beta}$-SiC added with 12 wt% of $Al_2O_3-Y_2O_3$ additive and Tyranno$^{TM}$-SA3 fabric were used as a matrix phase and fiber reinforcement, respectively. After hot pressing at 5 different conditions, the density, microstructure and mechanical properties of $SiC_f$/SiC were characterized. Hot pressing at relatively severe conditions, such as $1750^{\circ}C$ for 1 and 2 h, resulted in a brittle fracture behavior due to the strong fiber-matrix interface in spite of their high flexural strength. On the other hand, toughened $SiC_f$/SiC composite could be achieved by hot pressing at milder condition because of the formation of weak interface in spite of the decreased flexural strength. These results proposed the importance of weak fiber-matrix interface in the fabrication of ductile $SiC_f$/SiC composite.
-
길건영,노비얀토 알피안,한영환,윤당혁,Gil, Gun-Young,Noviyanto, Alfian,Han, Young-Hwan,Yoon, Dang-Hyok 한국세라믹학회 2010 한국세라믹학회지 Vol.47 No.6
In our previous studies, continuous SiC fiber-reinforced SiC-matrix composites ($SiC_f$/SiC) had been fabricated by two different slurry infiltration methods: vacuum infiltration and electrophoretic deposition (EPD). 12 wt% of $Al_2O_3-Y_2O_3$-MgO with respect to SiC powder was used as additives for liquid-phase assisted sintering. After hot pressing at $1750^{\circ}C$ under 20 MPa for 2 h in Ar atmosphere, a high composite density could be achieved for both cases, whereas the problems such as large grain size and non-uniform distribution of liquid phase were observed, which was resulted in the relatively poor mechanical properties of composites. Therefore, efforts have been made to reduce the grain growth during the sintering, including the optimization for hot pressing condition and utilization of spark plasma sintering using a SiC monolith. Based on the results, spark plasma sintering was found to be effective method in decreasing the amount of sintering additive, time and grain growth, which will be explained in comparison to the results of hot pressing in this paper.
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
