The effect of gamma ray irradiation on PAN-based intermediate modulus carbon fibers

被引：24

作者：

Li, Bin ^{[1
]}

Feng, Yi ^{[1
]}

Qian, Gang ^{[1
]}

Zhang, Jingcheng ^{[1
]}

Zhuang, Zhong ^{[2
]}

Wang, Xianping ^{[2
]}

机构：

[1] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China

[2] Chinese Acad Sci, Inst Solid State Phys, Hefei 230031, Peoples R China

来源：

JOURNAL OF NUCLEAR MATERIALS | 2013年 / 443卷 / 1-3期

基金：

中国国家自然科学基金; 国家教育部博士点专项基金资助;

关键词：

RAMAN-SPECTROSCOPY; MECHANICAL-PROPERTIES; EPOXY COMPOSITES; INTERFACIAL PROPERTIES; PLASMA-TREATMENT; POLYACRYLONITRILE; RADIATION; GRAPHITIZATION; GRAPHITE; MICROSTRUCTURE;

D O I：

10.1016/j.jnucmat.2013.06.049

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) were conducted on PAN-based intermediate modulus carbon fibers to investigate the structure and surface hydrophilicity of the carbon fibers before and after gamma irradiation. Two methods were used to determine Young's modulus of the carbon fibers. The results show that gamma ray irradiation improved the degree of graphitization and introduced compressive stress into carbon fiber surface. Gamma ray also improved the carbon fiber surface hydrophilicity through increasing the value of O/C and enhancing the quantity of oxygen functional groups on carbon fibers. No distinct morphology change was observed after gamma ray irradiation. The Young's modulus of the fibers increased with increasing irradiation dose. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：26 / 31

页数：6

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