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Paper Abstract and Keywords
Presentation 2019-12-24 11:30
THz spectroscopy of Fe Fe-based corrosions product (β-FeOOH) by reflection imaging application
Akio Shiota, Tadao Tanabe, Yutaka Oyama (Tohoku Univ.) ED2019-90
Abstract (in Japanese) (See Japanese page) 
(in English) Our research group is investigating the establishment of non-destructive inspection technology for metals inside opaque film by utilizing the high transmittance of terahertz waves to non-polar substances and the high reflection characteristics of metal surfaces. In particular, terahertz spectroscopic measurements of iron-based corrosion products are performed, and an absorption characteristic database in the terahertz band is constructed. In addition, terahertz spectroscopic imaging measurement was performed on β-FeOOH, which was confirmed to have an absorption peak at 3.06 THz by terahertz spectroscopic measurement.As a result, the presence of corrosion products under the coating film could be visualized as a two-dimensional image from the decrease in reflection intensity due to absorption.
Keyword (in Japanese) (See Japanese page) 
(in English) Terahertz / Non-destructive testing / corrosion / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 353, ED2019-90, pp. 57-60, Dec. 2019.
Paper # ED2019-90 
Date of Issue 2019-12-16 (ED) 
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)
Download PDF ED2019-90

Conference Information
Committee ED THz  
Conference Date 2019-12-23 - 2019-12-24 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To ED 
Conference Code 2019-12-ED-THz 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) THz spectroscopy of Fe Fe-based corrosions product (β-FeOOH) by reflection imaging application 
Sub Title (in English)  
Keyword(1) Terahertz  
Keyword(2) Non-destructive testing  
Keyword(3) corrosion  
1st Author's Name Akio Shiota  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Tadao Tanabe  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Yutaka Oyama  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2019-12-24 11:30:00 
Presentation Time 25 
Registration for ED 
Paper # IEICE-ED2019-90 
Volume (vol) IEICE-119 
Number (no) no.353 
Page pp.57-60 
#Pages IEICE-4 
Date of Issue IEICE-ED-2019-12-16 

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