Titanium boride fibers prepared by chloride-assisted carbothermic method for high-performance electromagnetic wave absorption

被引：7
作者：
Wang, Shaoyin [1 ,2 ]
Bi, Jianqiang [1 ,2 ]
Liang, Guandong [1 ,2 ]
Yuan, Jilie [3 ]
Chen, Yueguang [3 ]
Qiao, Linjing [1 ,2 ]
机构：
[1] Shandong Univ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Minist Educ, Jinan 250061, Shandong, Peoples R China
[2] Shandong Univ, Sch Mat Sci & Engn, Jinan 250061, Shandong, Peoples R China
[3] Shandong Tongfang Luying Elect Co Ltd, Beijing, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2023年 / 49卷 / 15期
基金：
中国博士后科学基金;
关键词：
Chloride-assisted carbothermic method; Vapor-liquid-solid mechanism; Microwave absorption; TiB2; fibers; MICROWAVE-ABSORPTION; TIB2; TEMPERATURE; COMPOSITES; NANOTUBES; REDUCTION; NANOWIRES;
D O I：
10.1016/j.ceramint.2023.05.167
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The TiB2 fibers were prepared by a chloride-assisted carbothermic method accompanied with the vapor-liquid solid (VLS) mechanism. The influences of TiO2, B2O3, C12H22O11, and calcination temperature on the yield of TiB2 fibers were investigated. In addition, the effects of TiB2 fibers content on the electromagnetic (EM) parameters and microwave absorption (MA) properties of TiB2 fibers/paraffin composite was studied in detail. The TiB2 fibers/paraffin composite showed excellent microwave absorption performance, with an optimized reflection loss (RL) of-46.63 dB at 14 GHz and a thickness of 1.5 mm. Moreover, it exhibited a broad effective absorption bandwidth (EAB) (RL <-10 dB) of 3.9 GHz, ranging from 12 to 15.9 GHz. TiB2 fibers exhibit promising potential as materials for high-temperature applications in the field of MA.
引用
收藏
页码：26110 / 26118
页数：9
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