Characterization of PAN-based Carbon Fibers Based on Ultra-high Termperature Graphitization Treatment and Spinning Elongation Ratio of Precursor Fiber 


Vol. 61,  No. 3, pp. 91-98, Jun.  2024
10.12772/TSE.2024.61.091


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  Abstract

In this study, the effects of ultra-high temperature graphitization and spinning elongation ratio were studied on the crystalline structure and mechanical properties of the PANbased carbon fibers. Three types of PAN (polyacrylonitrile)-based carbon fibers from Toray (T300, M40, and M46) were subjected to ultra-high temperature treatment at 2,800 °C, and then the crystal structure and strength/modulus of the graphitized carbon fibers (graphite fibers) were analyzed. Crystal size and orientation factor were investigated using 2D X-ray Diffraction. Single-fiber tensile tests were conducted using a linear Density and Tensile Tester (FAVIMAT+) to measure mechanical properties (strength and modulus). In addition, the synthesized PAN copolymer was dissolved in a DMSO solvent to prepare a spinning dope (~23%), and PAN precursor fibers were prepared under different elongation ratio through wet spinning. The result confirmed that the crystalline size (Lc) was increased by ultra-high temperature treatment and higher spinning elongation ratio and also thus mechanical properties was improved.

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  Cite this article

[IEEE Style]

조현재, 유승민, 정동철, 고태훈, 김학용, 정용식, 김병석, "Characterization of PAN-based Carbon Fibers Based on Ultra-high Termperature Graphitization Treatment and Spinning Elongation Ratio of Precursor Fiber," Textile Science and Engineering, vol. 61, no. 3, pp. 91-98, 2024. DOI: 10.12772/TSE.2024.61.091.

[ACM Style]

조현재, 유승민, 정동철, 고태훈, 김학용, 정용식, and 김병석. 2024. Characterization of PAN-based Carbon Fibers Based on Ultra-high Termperature Graphitization Treatment and Spinning Elongation Ratio of Precursor Fiber. Textile Science and Engineering, 61, 3, (2024), 91-98. DOI: 10.12772/TSE.2024.61.091.

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pISSN : 1225 - 1089
eISSN : 2288 - 6419

한국연구재단 우수등재학술지 유지 (2022년)