陈明伟; 戈敏; 张伟刚
Source Publication无机材料学报
AbstractBN fibers with cylindrical hollow structures were prepared from organic polymeric precursors through melt spinning, curing and pyrolysis processes. The microstructure, solid phase and morphologies of the synthesized hollow BN fibers were investigated by XRD, SEM and TEM, respectively. Moreover, the dielectric properties of BN hollow fibers were also measured. The results show that heating temperature and heating rate are the key factors affected the structure and dielectric properties of BN hollow fibers. Moreover, the BN hollow fibers synthesized in the optimized process conditions have good resistance towards oxidation up to 950 C in an oxidation atmosphere, and possess very low dielectric constant (epsilon') and loss tangent (tan delta) less than 3.30 and 0.00064 (7-18 GHz), respectively.
Document Type期刊论文
First Author Affilication中国科学院过程工程研究所
Recommended Citation
GB/T 7714
陈明伟,戈敏,张伟刚. 有机前驱体法bn纤维的制备和表征[J]. 无机材料学报,2012,27(11):1216.
APA 陈明伟,戈敏,&张伟刚.(2012).有机前驱体法bn纤维的制备和表征.无机材料学报,27(11),1216.
MLA 陈明伟,et al."有机前驱体法bn纤维的制备和表征".无机材料学报 27.11(2012):1216.
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