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논문 기본 정보

자료유형
학술저널
저자정보
Hamed Roghani (Materials and Energy Research Center) Seyed Ali Tayebifard (Materials and Energy Research Center) Asghar Kazemzadeh (Materials and Energy Research Center) Leila Nikzad (Materials and Energy Research Center)
저널정보
한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제17권 제3호
발행연도
2016.3
수록면
170 - 175 (6page)

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In this study, in situ synthesis of B4C-SiC nanocomposite powder (1 : 1 molar ratio) was performed by mechanically activatedvolume combustion synthesis (MAVCS) method. Raw materials were included Si, C, B2O3 and Mg. Milling process was usedto mechanically activate the raw materials. Synthesis of prepared samples was occurred in a tube furnace under argonatmosphere at 1000 oC. The milling parameters were examined to optimize the activating of the raw materials process. Synthesized samples after mechanical activation with milling parameters of 300 rpm rotation speed, 20 to 1 ball to powderratio and milling time of 9 and 12 h had best phase and morphology conditions. Average crystallite size of B4C and SiCcompounds were calculated less than 15 nm for these two samples. Transmission electron microscopy (TEM) analysis of thesetwo samples approved their formation from the grains in nanometers scale. The TEM analysis showed the sample with 12 hof milling the raw materials has formed from more uniform grains than the sample with 9 h of milling the raw materials. Particle size analysis showed more than 99% of the particles from both samples have a size less than 1000 nm.

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