Performance simulation analysis of PAN based carbon fiber used computer simulation technology

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  • School of Computer and Information Technology,Wuhan Shipbuilding Technical Institute, Wuhan 430050

Received date: 2019-12-26

  Revised date: 2021-01-20

  Online published: 2021-05-07

Abstract

The production process and composition structure of polyacrylonitrile (PAN) based carbon fiber were analyzed.The structure of three kinds of PAN based carbon fiber were characterized by 14x300x multiple thermal field divergent electron scanning microscope,zbl-s260 type strength meter and Bruker type small angle scattering system,and obtained the microstructure information.The performance of the fiber was simulated by computer simulation technology.It can be seen from the simulation results that the performance of the fiber was not determined by a microstructure,but by the comprehensive characterization results of different properties.The porosity of the fiber depended on the fracture surface,and the band fiber was the lowest among the three fibers.According to the peak value of crystal plane diffraction on the meridional diffraction pattern,the distance between microcrystals and the average size along the axial direction were calculated to determine the tensile strength of PAN based carbon fiber.The microporous structure of the fiber was determined by small angle X-ray scattering method.According to the radius of gyration,the degree of microporosity and the orientation of microporosity along the fiber axis were determined.In the simulation experiment,the simulation accuracy of the traditional method and the computer simulation technology simulation method was compared and analyzed.The results shown that the simulation accuracy of the computer simulation technology simulation method was higher,which can reflect the performance of PAN based carbon fiber more truly.

Cite this article

Wang Yang . Performance simulation analysis of PAN based carbon fiber used computer simulation technology[J]. New Chemical Materials, 2021 , 49(4) : 156 -160 . DOI: 10.19817/j.cnki.issn1006-3536.2021.04.034

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