Surface Modification of Carbon Fibers for Chemical Deposition of Metal and Ozide Particles
Carbon fibers always need to be coated by metal or oxide particles before fabricates composites with the matrix material. The influence of pretreatment on carbon fiber and chemical deposition is studied in the present paper. The influence of oxidation in by air and HNO3 was studied. Scanning electron microscope (SEM) observation results show the fact that the surface of carbon fibers getting rough during heating, and 400℃ is suitable for air oxidation and the heating time is determined to be 30 min by measuring the weight loss during heating. Surface composition of the carbon fibers after pretreated was determined by X-ray photoelectron spectroscopy (XPS), and 40％ functional groups was formed which are responsible for the improvement of hydrophilic of carbon fibers. Both copper and Ni(OH)2 were deposited on carbon fibers, and the layers show a smooth and uniform structure under the observation by SEM. It is concluded that the essential effect of pretreatment process is forming active points on the surface of carbon fibers, and a sketch map was given to describe the deposition mechanism.
Carbon fiber Chemical deposition Pretreatment
Cao Zhuokun Du jinjing Luo Hongjie Yao Guangchun
School of Materials and Metallurgy, Northeastern University, China, No.11, Lane 3, Wenhua Road, Heping District, Shenyang, 110004 China
国际会议
沈阳
英文
280-282
2009-08-27（万方平台首次上网日期，不代表论文的发表时间）