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Author:

何存富 (何存富.) (Scholars:何存富) | 杨玉娥 (杨玉娥.) | 吴斌 (吴斌.)

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CQVIP PKU CSCD

Abstract:

为了保证热障涂层的隔热效果,对热障涂层的厚度进行了微波无损检测.检测中探头选用R281A带法兰矩形波导探头,工作频率范围为26.5 ~ 40 GHz.仿真计算利用CST微波工作室(computer simulation technology-microwave studio)软件进行.实验结果表明,在26.5~40 GHz工作频率范围内,反射系数的相位差能良好地表征热障涂层的厚度.并且在高频率段时可以达到相位差变化l°,热障涂层的厚度变化约8μm的分辨率.在28.5~29.1 GHz工作频率范围内,反射系数的幅值也能表征热障涂层的厚度.实验结果与仿真结果基本吻合.

Keyword:

矩形波导 微波检测 热障涂层厚度 相位差 幅值

Author Community:

  • [ 1 ] [何存富]北京工业大学
  • [ 2 ] [杨玉娥]北京工业大学
  • [ 3 ] [吴斌]北京工业大学

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Source :

仪器仪表学报

ISSN: 0254-3087

Year: 2011

Issue: 11

Volume: 32

Page: 2590-2595

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 24

Chinese Cited Count:

30 Days PV: 4

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