PAN基碳纤维布电热装置电热性能的研究
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摘要
碳纤维是一材多用的功能和结构材料,采用湿法成型制成的聚丙烯腈(PAN)基碳纤维具有发热均匀、热量稳定的优点。为了研究PAN基碳纤维布的电热性能,设计制作以PAN基碳纤维布为发热体的电热装置,并对该装置的阻温特性、电压-温度、通电时长-温度等进行实验,结果表明:(1)装置在通电加热后,电阻变化率随温度的升高略有升高,但是变化非常小;(2)装置在低压下具有良好的热稳定性,表面温度与电压、输入功率基本成正比;(3)装置温升速度快,温度波动小于0. 5℃,热稳定性好。证明PAN基碳纤维布能够替代电阻丝作为发热材料,为PAN基碳纤维布作为电热装置发热材料的推广和使用提供了实验依据。
Carbon fiber is a versatile functional and structural material. The PAN-based carbon fiber produced by wet process has the advantages of uniform heat and stable heat. In order to study the electric properties of PAN based carbon fiber cloth,an electrical heating device is designed and made with PAN-based carbon fiber cloth as the heating material. We test the resistance-temperature characteristic,voltage-temperature relation and time-temperature relation. The result shows that when the device is electrified,the rate of resistance change increases slightly with the increase of temperature,but the change is very small. The device has good thermal stability under low pressure,and the surface temperature is proportional to the voltage and input power. The device temperature rises faster,which reaches thermal equilibrium after 5 minutes of electricity,the temperature fluctuation is less than 0. 5 ℃. It is proved that PAN-based carbon fiber cloth can replace resistance wire as heating material. It provides experimental evidence for the popularization and use of PAN-based carbon fiber as heating material for electric heating device.
Carbon fiber is a versatile functional and structural material. The PAN-based carbon fiber produced by wet process has the advantages of uniform heat and stable heat. In order to study the electric properties of PAN based carbon fiber cloth,an electrical heating device is designed and made with PAN-based carbon fiber cloth as the heating material. We test the resistance-temperature characteristic,voltage-temperature relation and time-temperature relation. The result shows that when the device is electrified,the rate of resistance change increases slightly with the increase of temperature,but the change is very small. The device has good thermal stability under low pressure,and the surface temperature is proportional to the voltage and input power. The device temperature rises faster,which reaches thermal equilibrium after 5 minutes of electricity,the temperature fluctuation is less than 0. 5 ℃. It is proved that PAN-based carbon fiber cloth can replace resistance wire as heating material. It provides experimental evidence for the popularization and use of PAN-based carbon fiber as heating material for electric heating device.
引文
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[15]朱波.碳纤维电热元件开发及应用[C]//第十三届全国红外加热暨红外医学发展研讨会论文及论文摘要集. 2011.
[2]贺福.碳纤维的电热性能及其应用[J].化工新型材料,2005,33(6):7-8.
[3]何碧霞.新型纤维在针织行业中的应用[J].针织工业,2012(6):53-55.
[4]王敏,李俊.发热保暖服装材料的开发现状及发展趋势[J].产业用纺织品,2009(4):6-9.
[5]刘国联.服装新材料[M].北京:中国纺织出版社,2005.
[6]曹伟伟,朱波,张敏,等.加捻和编织工艺对聚丙烯腈基碳纤维电热元件电热辐射特性的影响[J].机械工程材料,2007,31(9):26-29.
[7]黄晓梅.碳纤维电热发热布的设计与开发[J].产业纺织用品,2009(6):13-16.
[8]王志平,赵夏智梓,路鹏程,等.电热载荷对碳纤维表面物化性质的影响[J].表面技术,2016,45(4):89-94.
[9]全国合成纤维科技信息中心.聚丙烯腈(PAN)基碳纤维的发展和应用[J].合成纤维,2004(5):1-3.
[10]李晓敏.我国压延铜箔的生产与消费[J].上海有色金属,2010,31(3):124-127.
[11]刘东辉,廖钰敏,张敬恩,等.铜箔材料的研究现状与发展[J].热处理,2012,27(6):14-17.
[12]陈莉,刘皓,周丽.镀银长丝针织物的结构及其导电发热性能[J].纺织学报,2013,34(10):52-56.
[13]杨威,程华.碳纤维布电热性质的探讨实验[J].四川建筑科学研究,2003(9):110-111.
[14]陈蓉蓉,王莘蔚.聚丙烯腈基(PAN)碳纤维的性能、应用及相关标准[J].中国纤检,2010(6):75-79.
[15]朱波.碳纤维电热元件开发及应用[C]//第十三届全国红外加热暨红外医学发展研讨会论文及论文摘要集. 2011.
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