含频率选择表面耐高温吸波涂层的高温吸波性能

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (7): 2401-2408.

含频率选择表面耐高温吸波涂层的高温吸波性能

于明飞¹, 姚伦标¹, 卿玉长², 全京敏²

1.中国航发贵阳发动机设计研究所,贵阳 550081;
2.西北工业大学凝固技术国家重点实验室,西安 710072

收稿日期:2021-03-31 修回日期:2021-05-09 出版日期:2021-07-15 发布日期:2021-08-04
通讯作者: 卿玉长,博士,副教授。E-mail:qingyuchang@nwpu.edu.cn
作者简介:于明飞(1982—),男,高工。主要从事航空发动机红外隐身技术方向的研究。E-mail:yumingfei2006@163.com
基金资助:
凝固技术国家重点实验室基金(2020-TS-01)

High Temperature Absorbing Properties of High Temperature Resistance Absorbing Coatingwith Frequency Selective Surface

YU Mingfei¹, YAO Lunbiao¹, QING Yuchang², QUAN Jingmin²

1. AECC Guiyang Engine Research Institute, Guiyang 550081, China;
2. State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, China

Received:2021-03-31 Revised:2021-05-09 Online:2021-07-15 Published:2021-08-04

摘要/Abstract

摘要： 耐高温电阻材料由于可调的表面阻抗使其兼具同向反射、损耗特性和宽频带等优异性能。本文通过刷涂法制备了含频率选择表面的耐高温吸波涂层,通过扫描电子显微镜和方阻测试仪表征分析了涂层的组分、微观结构和方阻的高温稳定性,通过矢量网络分析仪研究了涂层煅烧温度和煅烧时间对材料高温反射率的影响规律。结果表明,含频率选择表面耐高温陶瓷涂层经600 ℃长时间热处理后,表面形貌变化可控,表面方阻较为稳定,耐温性好。频率选择表面设计对制备耐高温宽频吸波涂层具有重要的指导意义。

关键词: 频率选择表面, 陶瓷吸波涂层, 反射率, 耐温性, 表面方阻, 宽频

Abstract: Due to its adjustable surface impedance, the high-temperature-resistant resistance material has some excellent properties such as co-reflection, loss characteristics, and broadband. The frequency selective surface absorbing coatings were prepared by brush coating method in this paper. The composition, microstructure of the coatings, and high temperature stability of the square resistance were characterized by SEM and square resistance tester. The effects of coating heat treatment temperature and holding time on the reflectivity of absorbing materials were also studied by vector network analyzer. The results show that, after long time heat treatment at 600 ℃, the surface morphology of the ceramic coating has little change, the surface square resistance is stable, and the high temperature resistance is good. Such results suggest that the frequency selective surface has an important significance on preparing a new generation of absorbing coatings with broadband and high temperature resistance.

Key words: frequency selective surface, ceramic absorbing coating, reflectivity, temperature resistance, surface square resistance, broadband

中图分类号:

于明飞, 姚伦标, 卿玉长, 全京敏. 含频率选择表面耐高温吸波涂层的高温吸波性能[J]. 硅酸盐通报, 2021, 40(7): 2401-2408.

YU Mingfei, YAO Lunbiao, QING Yuchang, QUAN Jingmin. High Temperature Absorbing Properties of High Temperature Resistance Absorbing Coatingwith Frequency Selective Surface[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(7): 2401-2408.

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