Effect of iron doping and heat treating on specific resistivity of SiC fibre

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	Effect of iron doping and heat treating on specific resistivity of SiC fibre
	Lu, Xue-Chuan ; Chen, Li-Fu ; Li, Si-Wei ; Tang, Xue-Yuan ; Li, Hua-Zhan ; Ding, Ma-Tai ; Chen LF(陈立富) ; Li SW(李思维) ; Tang XY(唐学原) ; Ding MT(丁马太)
刊名	http://dx.doi.org/10.3969/j.issn.1001-9731.2014.07.005
	2014
关键词	Electric conductivity Electric properties Heat treatment Iron Microstructure Polysilanes Silicon carbide
英文摘要	Silicon carbide fibers doped with iron of 0-2wt% were prepared from iron-containing polycarbosilane by using oxygen-curing method. The as-prepared fibers were heated in high purity argon from 700 to 1100°C up to 100 h. With the change of treating parameters, the specific resistivity of the fibers decreased from 13 847 to 6 Ω·cm while the content and crystallinity of the multi-phases in fibers varied non-monotonically. Linear relationship between microstructure with electrical property was evaluated using pearson coefficients. Among the tested factors, grain size of β-SiC was the most relevant to specific resistivity, effect of iron content was subordinate. Mechanism on microstructure evolution of the iron-doped fiber was proposed.
语种	英语
出版者	Journal of Functional Materials
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/87435]
专题	材料学院－已发表论文
推荐引用方式 GB/T 7714	Lu, Xue-Chuan,Chen, Li-Fu,Li, Si-Wei,et al. Effect of iron doping and heat treating on specific resistivity of SiC fibre[J]. http://dx.doi.org/10.3969/j.issn.1001-9731.2014.07.005,2014.
APA	Lu, Xue-Chuan.,Chen, Li-Fu.,Li, Si-Wei.,Tang, Xue-Yuan.,Li, Hua-Zhan.,...&丁马太.(2014).Effect of iron doping and heat treating on specific resistivity of SiC fibre.http://dx.doi.org/10.3969/j.issn.1001-9731.2014.07.005.
MLA	Lu, Xue-Chuan,et al."Effect of iron doping and heat treating on specific resistivity of SiC fibre".http://dx.doi.org/10.3969/j.issn.1001-9731.2014.07.005 (2014).