Research on Microstructure and Properties of Two Kinds of T700 Carbon Fibers

Li CHEN; Xiao-lan LIU; Ji-chuan HUO; Hai-bin WANG; Xiao-ping CAI; Yong CHENG

doi:10.14028/j.cnki.1003-3726.2015.05.009

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Research on Microstructure and Properties of Two Kinds of T700 Carbon Fibers

更新时间：2022-09-18

- Research on Microstructure and Properties of Two Kinds of T700 Carbon Fibers
- Polymer Bulletin Vol. 28, Issue 5, Pages: 69-75(2015)
- 作者机构：
  
  1.西南科技大学材料科学与工程学院，绵阳　621010
  2.西南科技大学分析测试中心，绵阳　621010
  3.绵阳师范学院，绵阳　621010
  4.中国石油吉林石化公司碳纤维厂，吉林　132021
  5.成都飞机工业有限责任公司，成都　610019
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2015.05.009
  CLC：
- Published：2015-05，
  
  Received：30 May 2014，
  
  Revised：14 December 2014，
扫描看全文
Li CHEN, Xiao-lan LIU, Ji-chuan HUO, Hai-bin WANG, Xiao-ping CAI, Yong CHENG. Research on Microstructure and Properties of Two Kinds of T700 Carbon Fibers. [J]. Polymer Bulletin 28(5):69-75(2015)
DOI：

Li CHEN, Xiao-lan LIU, Ji-chuan HUO, Hai-bin WANG, Xiao-ping CAI, Yong CHENG. Research on Microstructure and Properties of Two Kinds of T700 Carbon Fibers. [J]. Polymer Bulletin 28(5):69-75(2015) DOI： 10.14028/j.cnki.1003-3726.2015.05.009.

摘要

采用原子力显微镜(AFM)、扫描电镜(SEM)、拉曼光谱(Raman)、X射线衍射(XRD)和透射电镜 (TEM)对国产JHT45-T700和日本东丽T700两种碳纤维的硬度相对大小、表面和断面形貌、石墨化程度和微晶结构进行了表征

分析了其中的差异。结果表明

东丽T700微区硬度大于国产JHT45-T700;国产JHT45- T700表面存在大量沟槽

而东丽T700表面光滑。因此

国产JHT45-T700与树脂基体的浸润性优于东丽 T700。Raman与XRD分析表明

东丽T700石墨化程度、微晶尺寸和结构的有序程度均高于国产JHT45- T700;TEM显示

东丽T700晶格条纹比国产JHT45-T700更规整些

晶相较多

石墨微晶发育相对更完善。

Abstract

The relative size of hardness

the surface and fracture morphology

the degree of graphitization and microcrystalline structure of Domestic JHT45-T700 and Toray T700 carbon fibers were investigated by atomic force microscopy ( AFM)

scanning electron microscopy ( SEM)

Raman spectroscopy

X-ray diffraction ( XRD) and transmission electron microscope(TEM). The microstructure differences of the two carbon fibers were compared. Results showed that the hardness of Toray T700 was greater than Domestic JHT45-T700. The surface of Toray T700 was smooth. Domestic JHT45-T700 possessed of better wetting property with resin matrix due to many prominent grooves on the surface. Raman and XRD results indicated that the degree of graphitization

the size of crystallite and the order degree of Toray T700 were superior to Domestic JHT45-T700. The lattice fringe of Toray T700 was more orderly

the proportion of crystalline phase was larger and graphite crystallite grew more perfect.

关键词

碳纤维硬度表面形貌石墨化程度微晶结构

Keywords

Carbon fiberHardnessSurface featureGraphitization degreeMicrocrystalline structure

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