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Thickness of coating tested nondestructively based on Welch frequency

  • Beijing Institute of Technology
  • North China University of Technology

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

摘要

A method for ultrasonic thickness measurement of coatings by Welch power spectrum is described. The multiple reflections of ultrasonic waves in coating layer lead to a series of maximum energy occurred in the Welch power spectrum which can be implemented to evaluate the thickness of coatings. A great of experiments verified it is effective and feasible to test nondestructively coating thickness on stainless steel and ceramics used as the substrate by the low-frequency immersion focused ultrasonic wave. The relative errors between the evaluated and actual thickness are estimated less than 6%.The results has proven the feasibility of thickness of coating tested nondestructively based on Welch frequency analysis.

源语言英语
主期刊名FENDT 2014 - Proceedings, 2014 IEEE Far East Forum on Nondestructive Evaluation/Testing
主期刊副标题New Technology and Application, Increasingly Perfect NDT/E
编辑Qinxue Pan, Chunguang Xu, Liu Yang
出版商Institute of Electrical and Electronics Engineers Inc.
页117-121
页数5
ISBN(电子版)9781479947317
DOI
出版状态已出版 - 16 10月 2014
活动2014 IEEE 11th Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, FENDT 2014 - Chengdu, 中国
期限: 20 6月 2014 → 23 6月 2014

丛书

姓名FENDT 2014 - Proceedings, 2014 IEEE Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, Increasingly Perfect NDT/E

会议

会议2014 IEEE 11th Far East Forum on Nondestructive Evaluation/Testing: New Technology and Application, FENDT 2014
国家/地区中国
市Chengdu
时期20/06/14 → 23/06/14

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