Effect of plastic drawing at high temperature on structure and properties of carbon fibers
To further modify the mechanical properties and improve the electrical and thermal conductivity of polyacrylonitrile-based carbon fibers， the typical high-strength and high-modulus M40J carbon fibers are applied as raw material. The high-temperature drawing characteristics of high-strength and high-...
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| Format: | Article |
| Language: | zho |
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Journal of Materials Engineering
2025-02-01
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| Series: | Cailiao gongcheng |
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| Online Access: | https://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2023.000749 |
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| author | LI Shuang CUI Di WANG Yu XU Lianghua TONG Yuanjian |
| author_facet | LI Shuang CUI Di WANG Yu XU Lianghua TONG Yuanjian |
| author_sort | LI Shuang |
| collection | DOAJ |
| description | To further modify the mechanical properties and improve the electrical and thermal conductivity of polyacrylonitrile-based carbon fibers， the typical high-strength and high-modulus M40J carbon fibers are applied as raw material. The high-temperature drawing characteristics of high-strength and high-modulus carbon fibers and the influence of high-temperature plasticizing drawing on their structure and properties are studied using an online tension meter， XRD， density gradient meter， mechanical testing， and a multimeter. By analyzing the stress response of carbon fibers during high-temperature plasticization and drawing， it is found that when the temperature reaches above 2200 ℃， the stress generated by the fibers during the drawing process remains basically unchanged and the fibers undergoes stable plasticization deformation. This indicates that 2200 ℃ is the transition temperature of plastic deformation for M40J carbon fibers. Plastic drawing at high temperature promotes the growth， elongation， and orientation of graphite microcrystal in the carbon fibers. By applying 6.0% plastic drawing rate to M40J carbon fibers at 2500 ℃， the tensile modulus increases from 368 GPa to 503 GPa， the tensile strength remains good （4.49 GPa）， the electrical resistivity decreases from 11.26 μΩ·m to 9.05 μΩ·m， and the thermal conductivity increases from 63.60 W·m-1·K-1 to 100.73 W·m-1·K-1. |
| format | Article |
| id | doaj-art-7defbfb781a942e8b4d614278ee4e029 |
| institution | DOAJ |
| issn | 1001-4381 |
| language | zho |
| publishDate | 2025-02-01 |
| publisher | Journal of Materials Engineering |
| record_format | Article |
| series | Cailiao gongcheng |
| spelling | doaj-art-7defbfb781a942e8b4d614278ee4e0292025-08-20T03:06:06ZzhoJournal of Materials EngineeringCailiao gongcheng1001-43812025-02-0153219520110.11868/j.issn.1001-4381.2023.0007491001-4381（2025）02-0195-07Effect of plastic drawing at high temperature on structure and properties of carbon fibersLI Shuang0CUI Di1WANG Yu2XU Lianghua3TONG Yuanjian4College of Materials Science & Engineering，Beijing University of Chemical Technology，Beijing 100029，ChinaCollege of Materials Science & Engineering，Beijing University of Chemical Technology，Beijing 100029，ChinaCollege of Materials Science & Engineering，Beijing University of Chemical Technology，Beijing 100029，ChinaCollege of Materials Science & Engineering，Beijing University of Chemical Technology，Beijing 100029，ChinaCollege of Materials Science & Engineering，Beijing University of Chemical Technology，Beijing 100029，ChinaTo further modify the mechanical properties and improve the electrical and thermal conductivity of polyacrylonitrile-based carbon fibers， the typical high-strength and high-modulus M40J carbon fibers are applied as raw material. The high-temperature drawing characteristics of high-strength and high-modulus carbon fibers and the influence of high-temperature plasticizing drawing on their structure and properties are studied using an online tension meter， XRD， density gradient meter， mechanical testing， and a multimeter. By analyzing the stress response of carbon fibers during high-temperature plasticization and drawing， it is found that when the temperature reaches above 2200 ℃， the stress generated by the fibers during the drawing process remains basically unchanged and the fibers undergoes stable plasticization deformation. This indicates that 2200 ℃ is the transition temperature of plastic deformation for M40J carbon fibers. Plastic drawing at high temperature promotes the growth， elongation， and orientation of graphite microcrystal in the carbon fibers. By applying 6.0% plastic drawing rate to M40J carbon fibers at 2500 ℃， the tensile modulus increases from 368 GPa to 503 GPa， the tensile strength remains good （4.49 GPa）， the electrical resistivity decreases from 11.26 μΩ·m to 9.05 μΩ·m， and the thermal conductivity increases from 63.60 W·m-1·K-1 to 100.73 W·m-1·K-1.https://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2023.000749polyacrylonitrile-based carbon fiberplastic drawing at high temperaturestressstructure and property |
| spellingShingle | LI Shuang CUI Di WANG Yu XU Lianghua TONG Yuanjian Effect of plastic drawing at high temperature on structure and properties of carbon fibers Cailiao gongcheng polyacrylonitrile-based carbon fiber plastic drawing at high temperature stress structure and property |
| title | Effect of plastic drawing at high temperature on structure and properties of carbon fibers |
| title_full | Effect of plastic drawing at high temperature on structure and properties of carbon fibers |
| title_fullStr | Effect of plastic drawing at high temperature on structure and properties of carbon fibers |
| title_full_unstemmed | Effect of plastic drawing at high temperature on structure and properties of carbon fibers |
| title_short | Effect of plastic drawing at high temperature on structure and properties of carbon fibers |
| title_sort | effect of plastic drawing at high temperature on structure and properties of carbon fibers |
| topic | polyacrylonitrile-based carbon fiber plastic drawing at high temperature stress structure and property |
| url | https://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2023.000749 |
| work_keys_str_mv | AT lishuang effectofplasticdrawingathightemperatureonstructureandpropertiesofcarbonfibers AT cuidi effectofplasticdrawingathightemperatureonstructureandpropertiesofcarbonfibers AT wangyu effectofplasticdrawingathightemperatureonstructureandpropertiesofcarbonfibers AT xulianghua effectofplasticdrawingathightemperatureonstructureandpropertiesofcarbonfibers AT tongyuanjian effectofplasticdrawingathightemperatureonstructureandpropertiesofcarbonfibers |