收藏我们   ENGLISH  
客服QQ
  点击这里给我发消息505255386
微信
  微信公共号
关键词查询
范围:  
提 交
《工程塑料应用》 2022年第11期
DOI:10.3969/j.issn.1001-3539.2022.11.018
纤维方向对环氧树脂/玻纤复合材料导热性能影响
史超帆1,陈叔平1,王洋2,金树峰1,于洋3,何远新2,杨帅2,熊珍艳2,史庆智1
1.兰州理工大学石油化工学院,兰州 730050; 2.中车长江车辆有限公司,武汉 430200; 3.西安交通大学能源与动力工程学院,西安 710049 
Effects of Fibre Orientation on Thermal Conductivity of Epoxy/Glass Fibre Composites
Shi Chaofan1, Chen Shuping1, Wang Yang2, Jin Shufeng1, Yu Yang3, He Yuanxin2, Yang Shuai2, Xiong Zhenyan2, Shi Qingzhi1
1. College of Petroleum and Chemical Engineering, Lanzhou University of Technology, Lanzhou 730050, China; 2. CRRC Yangtze Co., Ltd., Wuhan 430200, China; 3. School of Energy & Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China 
摘要:为研究环氧树脂/玻璃纤维(EP/GF)复合材料导热性能,首先针对各向同性模型,利用瞬态平面热源(TPS)法以及瞬态热线法研究了取样方式和位置对热导率的影响,并对两种方法测试结果的差异性展开讨论。针对各向异性模型,利用TPS法探讨纤维方向同热导率的关系,通过串并联模型验证测定结果,同时拟合不同温度下热导率,计算液氢温区EP/GF热导率。结果表明,EP/GF导热性能同取样方式相关,与取样位置无关;测试过程中EP/GF内部纤维纱线传递作用不同,造成两种测试方法测定结果的差异性;沿着纤维方向热导率大于垂直于纤维方向热导率;砂纸打磨后,树脂基体软化分解,玻璃纤维裸露,接触界面微凸体增多,造成EP/GF作支撑构件时其热导率随着磨损老化而增大。所得结论可为EP/GF用作支撑构件提供科学理论依据。 
Abstract:In order to investigate the thermal conductivity of epoxy/glass fibre (EP/GF) composites, the thermal conductivity was firstly determined for the isotropic model by using the transient plane source (TPS) method and the transient hot wire method to demonstrate the effects of sampling method and location on the thermal conductivity, and the differences between the results of the two measurement methods were also analysed. Then, the relationship between fibre orientation and thermal conductivity was investigated using the TPS method for the anisotropic model, and the results were verified using a series-parallel model. Meanwhile, the thermal conductivity at varying temperatures was fitted to calculate the thermal conductivity of EP/GF in the liquid hydrogen temperature region. The results show that the thermal conductivity of EP/GF is related to the sampling method and unrelated to the location of the sampling. The difference in transfer of internal fibre yarns of EP/GF during testing contributes to the difference in the determination of the two measurement methods. The thermal conductivity along the fibres is greater than the thermal conductivity vertically to the fibres. The resin matrix softens and decomposes after sanding, as well as the glass fibres become bared and the number of micro convex at the contact interfaces increases, which results in an increase in the thermal conductivity of EP/GF as a support structure with wearing. The results obtained can provide a scientific and theoretical basis for the use of EP/GF as a support structure. 
关键词:环氧树脂/玻璃纤维复合材料;热导率;瞬态平面热源法;纤维方向;各向异性 
Keywords:epoxy/glass fibre composite; thermal conductivity; transient plane source; fibre orientation; anisotropy 
基金:国家自然科学基金项目(52163033) ,甘肃省青年科技基金计划项目(21JR7RA269) 
本文引用格式:
史超帆,陈叔平,王洋,等.纤维方向对环氧树脂/玻纤复合材料导热性能影响[J].工程塑料应用,2022,50(11):108-116.
Shi Chaofan,Chen Shuping,Wang Yang,et al. Effects of fibre orientation on thermal conductivity of epoxy/glass fibre composites[J]. Engineering Plastics Application,2022,50(11):108-116. 

原文:
 
相似文章:
  碳纤维3D网络结构导热复合材料研究进展
2022年第09期
  无氯氟化学发泡剂复配环戊烷在硬质聚氨酯泡沫中的应用
2022年第09期
  聚合物基电子封装材料的研究进展
2022年第07期
  铝粉形貌对原位构建AlN骨架增强EP热学性能的影响
2022年第06期
  三维导热高分子复合材料制备方法研究进展
2022年第05期
  连续碳纤维增强PET复合材料板材的性能
2022年第05期
  导热多级相变复合材料的制备及其在热管理中应用
2022年第03期
  PPE改性液晶高分子及其吹膜性能
2021年第10期
  填充型导热聚对苯二甲酸丁二酯复合材料研究进展
2021年第07期
  无氯氟化学发泡剂对深冷保温用硬质聚氨酯泡沫导热性能影响
2021年第02期
《工程塑料应用》杂志社 版权所有,未经授权禁止复制或者建立镜像
地址:山东省济南市天桥区田庄东路3号 邮编:250031
电话:0531-85878057 85878223 85878148 85878278
鲁ICP备05018524号-5