SiO2와 3Y-TZP 첨가가 지르콘의 기계적 물성에 미치는 영향
(주)코리아스칼라
- 최초 등록일
- 2016.06.04
- 최종 저작일
- 2016.04
- 5페이지/ 어도비 PDF
- 가격 4,000원
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서지정보
ㆍ발행기관 : 한국재료학회
ㆍ수록지정보 : 한국재료학회지 / 26권 / 4호
ㆍ저자명 : 장호수, 조범래
목차
1. 서 론
2. 실험 방법
3. 결과 및 고찰
4. 결 론
References
영어 초록
Zircon, having excellent thermal, chemical, and mechanical properties, is utilized in refractory materials, electronic materials, chemical machines, structural materials, etc. However, zircon generally shows thermal dissociation to zirconia(ZrO2) and silica(SiO2) around the sintering temperature of 1540 oC, and when zircon particles are small and impurities are present, thermal dissociation is known to occur at around 1100 oC. This reduces the mechanical properties of ZrSiO4. In this research, the effect of adding SiO2 and 3Y-TZP to ZrSiO4 has been studied in order to suppress dissociation and improve the mechanical properties. Addition of SiO2 suppressed the dissociation of ZrSiO4 at lower temperatures. It also enabled optimum packing between the particles, resulting in a dense microstructure and good mechanical properties. When 3Y-TZP was added, recombination with the dissociated SiO2 resulted in good mechanical properties by suppressing the generation of pores and the densification of the microstructure.
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