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Paper Abstract and Keywords
Presentation 2009-02-20 12:55
An experimental study on evaluation system for contact surraces with an optical-cross method
Makoto Kashiwakura, Shunsuke Kudo, Asuka Sudo, Makoto Hasegawa (Chitose Inst. of Sci. & Tech.) R2008-49 EMD2008-125
Abstract (in Japanese) (See Japanese page) 
(in English) Contact surfaces of mechanical relays and switches are often damaged by arc discharges and/or mechanical wear during switching operations. Conventionally, erosion and transfer characteristics of various contact materials under different load conditions have been mainly studied based on observation and evaluation of contact surfaces after switching operation tests. On the other hand, a further detailed study becomes possible if we can observe and numerically evaluate a growing process of surface damages (especially, growth of a crater) on contact surfaces during switching operations. For that purpose, a numerical evaluation system of contact surface damages by way of an optical cross-section method is being constructed, and its fundamental evaluation capabilities have been successfully installed. With this system, it has become possible to observe and numerically evaluate a crater growth process on a contact surface during switching operations.
Keyword (in Japanese) (See Japanese page) 
(in English) optical cross-section method / electrical contacts / arc discharge / erosion / material transfer / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 434, EMD2008-125, pp. 31-36, Feb. 2009.
Paper # EMD2008-125 
Date of Issue 2009-02-13 (R, EMD) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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)
Download PDF R2008-49 EMD2008-125

Conference Information
Committee EMD R  
Conference Date 2009-02-20 - 2009-02-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Sumitomo Wiring Systems LTD., Head Office 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMD 
Conference Code 2009-02-EMD-R 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An experimental study on evaluation system for contact surraces with an optical-cross method 
Sub Title (in English)  
Keyword(1) optical cross-section method  
Keyword(2) electrical contacts  
Keyword(3) arc discharge  
Keyword(4) erosion  
Keyword(5) material transfer  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Makoto Kashiwakura  
1st Author's Affiliation Chitose Institute of Science and Technology (Chitose Inst. of Sci. & Tech.)
2nd Author's Name Shunsuke Kudo  
2nd Author's Affiliation Chitose Institute of Science and Technology (Chitose Inst. of Sci. & Tech.)
3rd Author's Name Asuka Sudo  
3rd Author's Affiliation Chitose Institute of Science and Technology (Chitose Inst. of Sci. & Tech.)
4th Author's Name Makoto Hasegawa  
4th Author's Affiliation Chitose Institute of Science and Technology (Chitose Inst. of Sci. & Tech.)
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Speaker Author-3 
Date Time 2009-02-20 12:55:00 
Presentation Time 25 minutes 
Registration for EMD 
Paper # R2008-49, EMD2008-125 
Volume (vol) vol.108 
Number (no) no.433(R), no.434(EMD) 
Page pp.31-36 
#Pages 6 
Date of Issue 2009-02-13 (R, EMD) 

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