典型文献
TiN/BN composite with excellent thermal stability for efficiency microwave absorption in wide temperature spectrum
文献摘要：
High-efficiency and temperature-insensitive microwave absorbing materials(MAMs)are ideal for high-temperature electromagnetic attenuation.Herein,the titanium nitride/boron nitride(TiN/BN)composite with TiN as the loss unit and BN as the impedance matching unit has been constructed by the in-situ synthesis method.The insulating BN not only effectively regulates and optimizes the conductivity and impedance matching of the material but also imparts steady cyclic microwave absorption properties.The steady dielectric loss ensures that TiN/BN composite has robust high-temperature absorption properties at X-band,with a minimum reflection loss(RLmin)of-16.74 dB at 873 K and an effective absorption band-width(EAB)of 3.26 GHz in the temperature range of 293-873 K.Compared with the TiN/SiO2 absorbers with a single system,the TiN/BN/SiO2 composite keeps reliable high temperature absorbing properties at 873 K.This work confirms that wave-transparent materials for dielectric property modulation can resolve poor temperature stability of effective absorption and non-reusability for high-temperature absorbing ma-terials,providing inspirations for designing efficiency high-temperature microwave absorbers.
文献关键词：
中图分类号：
作者姓名：
Yupeng Shi;Dan Li;Haoxu Si;Zhiyang Jiang;Mengyuan Li;Chunhong Gong
作者机构：
Institute of Functional Polymer Composites,College of Chemistry and Chemical Engineering,Henan University,Kaifeng 475004,China;National&Local Joint Engineering Research Center for Applied Technology of Hybrid Nanomaterials,Henan University,Kaifeng 475004,China
文献出处：
引用格式：
[1]Yupeng Shi;Dan Li;Haoxu Si;Zhiyang Jiang;Mengyuan Li;Chunhong Gong-.TiN/BN composite with excellent thermal stability for efficiency microwave absorption in wide temperature spectrum)[J].材料科学技术（英文版）,2022(35):249-255
A类：
B类：
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AB值：
0.519478
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