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无机材料学报

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2022 , Vol. 37 >Issue 1: 93 - 100

DOI: https://doi.org/10.15541/jim20210361

研究论文

高红外遮蔽SiZrOC纳米纤维膜的制备及其性能研究

  • 张晓山 ,
  • 王兵 ,
  • 吴楠 ,
  • 韩成 ,
  • 刘海燕 ,
  • 王应德
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  • 1.国防科技大学 空天科学学院 新型陶瓷纤维及其复合材料重点实验室 长沙 410073
    2.国防科技大学 空天科学学院 材料科学与工程系 长沙 410073
张晓山(1991-), 男, 博士研究生. E-mail: zhangxiaoshan15@nudt.edu.cn
王应德, 教授. E-mail: wangyingde@nudt.edu.cn; 王 兵, 副研究员. E-mail: bingwang@nudt.edu.cn

收稿日期: 2021-06-07

  修回日期: 2021-06-29

  网络出版日期: 2021-07-12

基金资助

国防基础科研计划(XXXX2017550C001);国家自然科学基金(52002400);国防科技大学科研计划(ZK17-02-02)

收起

Infrared Radiation Shielded SiZrOC Nanofiber Membranes: Preparation and High-temperature Thermal Insulation Performance

  • Xiaoshan ZHANG ,
  • Bing WANG ,
  • Nan WU ,
  • Cheng HAN ,
  • Haiyan LIU ,
  • Yingde WANG
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  • 1. Science and Technology on Ceramic Fibers and Composites Laboratory, College of Aerospaces Science and Engineering, National University of Defense Technology, Changsha 410073, China
    2. Department of Material Science and Engineering, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China
ZHANG Xiaoshan (1991-), male, PhD candidate. E-mail: zhangxiaoshan15@nudt.edu.cn
WANG Yingde, professor. E-mail: wangyingde@nudt.edu.cn; WANG Bing, associate professor. E-mail: bingwang@nudt.edu.cn

Received date: 2021-06-07

  Revised date: 2021-06-29

  Online published: 2021-07-12

Supported by

National Defense Basic Research Program(XXXX2017550C001);National Natural Science Foundation of China(52002400);Research Project of NUDT(ZK17-02-02)

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摘要

陶瓷纤维具有较好的力学、耐高温和抗热震性能, 是重要的高温隔热材料。目前, 传统陶瓷纤维膜高温隔热性能不佳, 限制了其在高温隔热领域的应用。本研究采用静电纺丝技术制备了具有高红外遮蔽性能的SiZrOC纳米纤维膜, 纤维的平均直径为(511±108) nm, 组成为SiO2、ZrO2、SiOC和自由碳。SiZrOC纤维膜展现出优异的高温隔热性能。在1000 ℃时, SiZrOC纤维膜的热导率仅为0.127 W·m-1·K-1, 明显低于其他传统陶瓷隔热纤维。此外, SiZrOC纤维膜还具有较高的强度、良好的柔性和优异的耐高温性能, 在高温隔热领域具有极大的应用潜力。本研究可以为制备其他高性能隔热材料提供新的思路。

关键词： 陶瓷纤维; 高温隔热; 静电纺丝; 红外遮蔽

本文引用格式

张晓山 , 王兵 , 吴楠 , 韩成 , 刘海燕 , 王应德 . 高红外遮蔽SiZrOC纳米纤维膜的制备及其性能研究[J]. 无机材料学报, 2022 , 37(1) : 93 -100 . DOI: 10.15541/jim20210361

Abstract

Ceramic fibers are the vital high-temperature thermal insulating materials due to their excellent mechanical property, high-temperature stability and thermal shock resistance. However, practical application of traditional ceramic fiber membranes in the field of thermal insulation are greatly limited by their high thermal conductivities at high-temperatures. In this work, SiZrOC nanofiber membranes with high infrared shielding performance were prepared by electrospinning technique. The SiZrOC nanofibers were composed of SiO2, ZrO2, SiOC, and free carbon phase with average diameter of (511±108) nm. The SiZrOC nanofiber membranes exhibited possess excellent high-temperature thermal insulation performance. Thermal conductivity of SiZrOC nanofiber membranes at 1000 ℃ reached 0.127 W·m-1·K-1, obviously lower than that of other traditional ceramic fibers. In addition, the as-prepared SiZrOC nanofiber membranes exhibited high strength, good flexibility and excellent high-temperature stability, so they had great potential for high-temperature thermal insulation. Therefore, preparation strategy of SiZrOC nanofiber membranes also provides a new route for designing other high-performance thermal insulators.

Key words： ceramic fiber; high-temperature thermal insulation; electrospinning; infrared shielding

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