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论文类型：期刊论文

发表时间：2017-12-15

发表刊物：CERAMICS INTERNATIONAL

收录刊物：SCIE、EI、Scopus

卷号：43

期号：18

页面范围：17057-17063

ISSN号：0272-8842

关键字：SiC nanofibers; Carbon fibers; Catalyst-free method

摘要：Large quantities of multi-shaped SiC nanofibers were successfully synthesized on carbon fibers at elevated temperatures via a catalyst-free chemical vapor reaction method. FE-SEM and TEM investigations revealed that all SiC nanofibers grew along the [111] crystal orientation. The diameters of SiC nanofibers were in the range of 100-400 nm. The length of nanofibers was about several hundreds of micrometers. The vapor-solid mechanism was applied to understand the growth of the multi-shaped SiC nanofibers. The change in morphological shape of SiC nanofibers could be attributed to the temperature-dependent growth kinetics, which strongly associated with the partial pressure of SiO.