静电纺丝法制备 SiC 纳米纤维的研究进展*

摘要

Silicon carbide (SiC)nanofiber posseses many excellent properties,such as low thermal-expansion co-efficient,high specific surface areas,high mechanical strength,superior thermal stability and high thermal con-ductivity.Electrospinning technique for preparing SiC nonfibers has been considered to be one of the most straightforward and versatile techniques,and SiC nanofibers fabricated by electrospinning have been successful-ly applied in many fields,such as mechanics,electrics,optics,and calorifics,etc.This paper presents a com-prehensive review on the fabrication of SiC nanofibers and influencing factors after briefly introducing the basic principles and apparatus of electrospinning.Then the secondary structures of SiC nanofibers are briefly presen-ted.At last,the applications and future trends are presented for SiC nanofibers in this paper.%SiC 纳米纤维具有许多优良的性能，如低的热膨胀系数、高的比表面积、高强度以及高的热稳定性和热导率。静电纺丝法制备 SiC 纳米纤维被认为是最简单最通用的方法之一，并成功应用到了力学、电学、光学、热学等多个领域。对静电纺丝原理和装置，静电纺丝法 SiC 纤维的制备和影响因素进行了全面详细的介绍和归纳，并对纤维的二级结构做了简短的介绍，最后对 SiC 纤维未来的研究方向和应用提出了个人观点。