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题名:
Effects on the oriented structure and mechanical properties of carbon fibers by pre-irradiating polyacrylonitrile fibers with gamma ray
作者: Zhao, WZ; Lu, YG; Zhou, LX; Jiang, JQ; Wang, J; Chen, Q; Tian, F
刊名: JOURNAL OF MATERIALS SCIENCE
出版日期: 2016
卷号: 51, 期号:15, 页码:7073—7084
关键词: OXIDATIVE STABILIZATION ; PRECURSOR FIBERS ; RADIATION ; SCATTERING ; EVOLUTION ; DEFORMATION ; ORIENTATION ; STRENGTH ; KINETICS ; BEHAVIOR
DOI: 10.1007/s10853-016-9875-x
通讯作者: Lu, YG (reprint author), Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China.
文章类型: 期刊文献
英文摘要: Carbon fibers (CFs) were prepared from polyacrylonitrile fibers pre-irradiated with gamma-ray irradiation in air prior to heat treatment and then by continuous stabilization and carbonization. The structural changes of fibers during heat treatment and the mechanical properties of the resultant CFs were investigated using dynamic mechanical analysis, wide-angle X-ray diffraction, small-angle X-ray scattering, and universal testing machine. It is found that not only the stabilization time was shortened with the increasing absorbed doses, but also the preferred orientation of carbon layers in the CFs was increased initially with the increasing absorbed doses and then decreased. Consequently, the tensile strength and Young's modulus of CFs were increased by 13.2 and 2.6 % at an appropriate dose, respectively, in which skin-core structure in CFs was relieved according to SEM images. Hence, it is believed that irradiation technology-assisted stabilization has a significant potential in CF industry.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000376468500003
ISSN号: 0022-2461
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25705
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Zhao, WZ,Lu, YG,Zhou, LX,et al. Effects on the oriented structure and mechanical properties of carbon fibers by pre-irradiating polyacrylonitrile fibers with gamma ray[J]. JOURNAL OF MATERIALS SCIENCE,2016-01-01,51(15):7073—7084.
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