期刊
MATERIALS SCIENCE-POLAND
卷 34, 期 4, 页码 770-779出版社
DE GRUYTER OPEN LTD
DOI: 10.1515/msp-2016-0101
关键词
microwave heating; silicon carbide nanowhiskers; graphite; silica
资金
- Department of Higher Education, Ministry of Higher Education, Malaysia through Fundamental Research Grant Scheme (FRGS) [9003-00441]
Silicon carbide (SiC) is an important ceramics for engineering and industrial applications due to its advantage to withstand in high temperatures. In this article, a demonstration of SiC nanowhiskers synthesis by using microwave heating has been shown. The mixtures of raw materials in the form of pellets were heated, using a laboratory microwave furnace, to 1400 degrees C for 40 minutes at a heating rate of 20 degrees C/min. The characterization process proved that the mixture of graphite and silica in the ratio of 1: 3 is an ideal composition for synthesizing single phase beta-SiC nanowhiskers. Vapor-solid mechanism was suggested to explain the formation of SiC nanowhiskers by the proposed microwave heating.
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