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Paper Abstract and Keywords
Presentation 2012-01-27 14:45
Discussion on adjustment of incident angle for ultrasonic testing of fatigue crack in orthotropic steel deck
Tomonori Kimura (MELCO), Mitsuhiro Koike, Shusou Wadaka (RSEC), Minoru Takahashi, Jun Murakoshi (PWRI) US2011-101
Abstract (in Japanese) (See Japanese page) 
(in English) An ultrasonic testing method to detect fatigue cracks in orthotropic steel deck is shown. In this method, shear waves propagating for critical angle are used, and adjustment of the incident angle is important since it is very sensitive to the refraction angle which effects on the testing results considerably. In this paper, adjustment technique of the incident angle using the amplitude of shear wave propagating along the surface of the test object is shown, and the validity of the technique is discussed by simulation. The amplitude of shear wave is calculated varying the incident angle. As a result, the incident angle when the amplitude becomes peak depends on the velocity of the test object. However, the refraction angle corresponding to the incident angle are almost constant, about 90 degrees. Therefore, the validity of the technique is verified.
Keyword (in Japanese) (See Japanese page) 
(in English) Orthotropic Steel Deck / Ultrasonic Testing / Simulation / Incident Angle / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 401, US2011-101, pp. 93-96, Jan. 2012.
Paper # US2011-101 
Date of Issue 2012-01-19 (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 EA US  
Conference Date 2012-01-26 - 2012-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kansai Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonic and Underwater Acoustics,and Related Topics 
Paper Information
Registration To US 
Conference Code 2012-01-EA-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Discussion on adjustment of incident angle for ultrasonic testing of fatigue crack in orthotropic steel deck 
Sub Title (in English)  
Keyword(1) Orthotropic Steel Deck  
Keyword(2) Ultrasonic Testing  
Keyword(3) Simulation  
Keyword(4) Incident Angle  
1st Author's Name Tomonori Kimura  
1st Author's Affiliation Mitsubishi Electric Corporation (MELCO)
2nd Author's Name Mitsuhiro Koike  
2nd Author's Affiliation Ryoden Shonan Electronics Corporation (RSEC)
3rd Author's Name Shusou Wadaka  
3rd Author's Affiliation Ryoden Shonan Electronics Corporation (RSEC)
4th Author's Name Minoru Takahashi  
4th Author's Affiliation Public Works Research Institute (PWRI)
5th Author's Name Jun Murakoshi  
5th Author's Affiliation Public Works Research Institute (PWRI)
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Speaker Author-1 
Date Time 2012-01-27 14:45:00 
Presentation Time 30 minutes 
Registration for US 
Paper # US2011-101 
Volume (vol) vol.111 
Number (no) no.401 
Page pp.93-96 
Date of Issue 2012-01-19 (US) 

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