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Paper Abstract and Keywords
Presentation 2020-02-28 13:35
Imaging of thinning area in flat plate using guided wave generated by high-intensity line focus aerial ultrasonic wave
Wataru Sakuma, Ayumu Osumi, Youichi Ito (Nihon Univ.) US2019-101
Abstract (in Japanese) (See Japanese page) 
(in English) We studied a non-destructive inspection method using a guided wave excited by high intensity aerial ultrasonic irradiation. In previous studies, non-destructive inspection was performed using high intensity aerial point-focus ultrasonic waves with high focusing efficency in order to perform multi-frequency imaging using nonlinearity of high intensity acoustic waves. However, there is concern about the effect of multiple scattering on imaging of defects because a spherical guide wave is generated by excitation by point-focused sound waves. In this report, we attempted non-destructive inspection using planar guided waves generated by high intensity aerial line-focus ultrasonic waves. As a result, it was clarified to be possible to imaging of defective area by proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) High-intensity aerial ultrasonic waves / Line focus / Guided wave / Nondestructive method / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 430, US2019-101, pp. 13-17, Feb. 2020.
Paper # US2019-101 
Date of Issue 2020-02-21 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction
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 2020-02-28 - 2020-02-28 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To US 
Conference Code 2020-02-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Imaging of thinning area in flat plate using guided wave generated by high-intensity line focus aerial ultrasonic wave 
Sub Title (in English)  
Keyword(1) High-intensity aerial ultrasonic waves  
Keyword(2) Line focus  
Keyword(3) Guided wave  
Keyword(4) Nondestructive method  
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1st Author's Name Wataru Sakuma  
1st Author's Affiliation Nihon University (Nihon Univ.)
2nd Author's Name Ayumu Osumi  
2nd Author's Affiliation Nihon University (Nihon Univ.)
3rd Author's Name Youichi Ito  
3rd Author's Affiliation Nihon University (Nihon Univ.)
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Speaker Author-1 
Date Time 2020-02-28 13:35:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2019-101 
Volume (vol) vol.119 
Number (no) no.430 
Page pp.13-17 
#Pages
Date of Issue 2020-02-21 (US) 


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