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Paper Abstract and Keywords
Presentation 2014-02-21 13:50
Residual thickness measurement method of corroded steel plate using ultrasonic SH array probe
Tomonori Kimura (Mitsubishi Electric), Mitsuhiro Koike, Shusou Wadaka (Ryoden Shonan Electronics), Minoru Takahashi, Jun Murakoshi (PWRI) US2013-104
Abstract (in Japanese) (See Japanese page) 
(in English) Corroded part of steel plates buried in concrete is difficult to inspect using visual testing method. Ultrasonic testing method can be expected to have potential for such inspection. In addition to the detection of the presence or absence of corroded part, quantitative detection of residual thickness of steel plates is also desired. In this paper, an ultrasonic testing method for the above purposes is presented. The SH plate wave is transmitted in a steel plate by a SH array transducer, and a received echo by the reflection occurred due to the cut off phenomena of the plate wave is used. Furthermore, configuration of the SH array transducer suitable for the method is studied. It is shown that not only the sensitivity itself but also sensitivity variation among array elements can be improved by ditching grooves on the surface of a protection plate of the transducer that provide stress concentration points on the surface.
Keyword (in Japanese) (See Japanese page) 
(in English) Ultrasonic Testing / Corrosion / Residual thickness measurement / SH plate wave / Array transducer / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 439, US2013-104, pp. 55-60, Feb. 2014.
Paper # US2013-104 
Date of Issue 2014-02-14 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee US  
Conference Date 2014-02-21 - 2014-02-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Chofu Aerospace Center, Aerodrome Branch, JAXA 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To US 
Conference Code 2014-02-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Residual thickness measurement method of corroded steel plate using ultrasonic SH array probe 
Sub Title (in English)  
Keyword(1) Ultrasonic Testing  
Keyword(2) Corrosion  
Keyword(3) Residual thickness measurement  
Keyword(4) SH plate wave  
Keyword(5) Array transducer  
1st Author's Name Tomonori Kimura  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
2nd Author's Name Mitsuhiro Koike  
2nd Author's Affiliation Ryoden Shonan Electronics Corporation (Ryoden Shonan Electronics)
3rd Author's Name Shusou Wadaka  
3rd Author's Affiliation Ryoden Shonan Electronics Corporation (Ryoden Shonan Electronics)
4th Author's Name Minoru Takahashi  
4th Author's Affiliation Power Works Research Institute (PWRI)
5th Author's Name Jun Murakoshi  
5th Author's Affiliation Power Works Research Institute (PWRI)
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Speaker Author-1 
Date Time 2014-02-21 13:50:00 
Presentation Time 15 minutes 
Registration for US 
Paper # US2013-104 
Volume (vol) vol.113 
Number (no) no.439 
Page pp.55-60 
Date of Issue 2014-02-14 (US) 

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