Anodic Surface Treatment on Carbon Fibers - The Effect on Microstructure of Pyrocarbon Matrix during Chemical Vapor Deposition

Abstract:

Before chemical vapor deposition, PAN-based carbon fibers were modified by anodic surface treatment for different time, using 5% ammonium bicarbonate as electrolyte. Effects of the surface treatment on surface mophology, chemical functional groups of carbon fibers were investigated. The microstructure of pyrocarbon were analysed as well. The results show that the anodic surface treatment by 5% ammonium bicarbonate for proper time can improve the surface morphology and adjust the surface functinal groups of carbon fibers, which can promote the deposition of ordered pyrocarbon during chemical vapor deposition.

• Periodical: Advanced Materials Research (Volumes 399-401)
• Pages: 363-367
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.399-401.363
• Online since: November 2011
• Authors: Jie Chen, Shu Yu, Xiang Xiong
• Keywords: Carbon Fiber (CF), Chemical Vapor Deposition (CVD), Surface Treatment

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