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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제21권 제6호
- 발행연도
- 2020.1
- 수록면
- 615 - 621 (7page)
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초록· 키워드
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TiC powders were successfully synthesized by carbothermal reduction of Ti-O-C precursor in argon at 1,400 °C for 2 h. Andthe Ti-O-C precursor was formed by sol-gel method using titanium butyrate (Ti(OC4H9)4), fructose (C6H12O6), and acetylacetone (acac). Here, acac was used as chemical modifier to control Ti(OC4H9)4 hydrolysis to obtain stable sol. Furthermore,TG-DSC, XRD, FTIR, Raman, SEM, and EDS were employed to characterize the precursor and TiC powders. Moreover, acacas stabilizer was studied using FTIR when reacted with Ti(OC4H9)4 formed stable six-member ring as a result of the existenceof tautomer, prevent the nucleophilic attack of water, which reduced the hydrolysis rate of Ti(OC4H9)4. Besides, the compositionof TiC phase was further understood by the Raman spectra, and the results showed that the peaks at 403 cm?1, 513 cm?1, and 629 cm?1 were ascribed to the characteristic peaks of TiC. Finally, the photomicrograph revealed an equiaxed shape and theaverage grain size of TiC particles was ca. 1 um. The EDS indicated that the particles contain elements of Ti and carbonaccording to dot and line scan.
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