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Paper Abstract and Keywords
Presentation 2009-05-22 09:35
An experimental study on influence of surrounding atmosphere to gaseous phase transition in contacts break arc
Kiyoshi Yoshida, Naomichi Yamada (Nippon Inst. of Tech.) EMCJ2009-9 EMD2009-1
Abstract (in Japanese) (See Japanese page) 
(in English) Arc duration time and the influence of a surrounding gas on the gaseous phase transition were experimentally researched in Ag, AgSnO2 Break arc. Arc duration ta, Metallic phase duration tm, and Metallic to gaseous phase transition rate G were measured. There are four kinds of surrounding gases, that is, air, oxygen, nitrogen, and helium. Pressure was set to atmospheric pressure (0.1MPa). Under the E=48V, Io has been changed within the range of 0.4 - 5A. As a result, the arc duration of Ag became longer in oxygen, and the gaseous phase transition was occurred in most small Io. The arc voltage waveform has changed with a surrounding gas and the contact material. Moreover, a surrounding gas influences Io of the gaseous phase transition boundary in Ag. On the other hand, the influence of gas was small in AgSnO2.
Keyword (in Japanese) (See Japanese page) 
(in English) Electrical contacts / Arc discharge / Surrounding gas / Silver / Ag / Metallic phase arc / Gaseous Phase arc /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 45, EMD2009-1, pp. 1-6, May 2009.
Paper # EMD2009-1 
Date of Issue 2009-05-15 (EMCJ, EMD) 
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)
Download PDF EMCJ2009-9 EMD2009-1

Conference Information
Committee EMD EMCJ  
Conference Date 2009-05-22 - 2009-05-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanda camupus, Nippon Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Electrical discharge and EMC/general 
Paper Information
Registration To EMD 
Conference Code 2009-05-EMD-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An experimental study on influence of surrounding atmosphere to gaseous phase transition in contacts break arc 
Sub Title (in English)  
Keyword(1) Electrical contacts  
Keyword(2) Arc discharge  
Keyword(3) Surrounding gas  
Keyword(4) Silver  
Keyword(5) Ag  
Keyword(6) Metallic phase arc  
Keyword(7) Gaseous Phase arc  
Keyword(8)  
1st Author's Name Kiyoshi Yoshida  
1st Author's Affiliation Nippon Institute of Technology (Nippon Inst. of Tech.)
2nd Author's Name Naomichi Yamada  
2nd Author's Affiliation Nippon Institute of Technology (Nippon Inst. of Tech.)
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Speaker Author-1 
Date Time 2009-05-22 09:35:00 
Presentation Time 25 minutes 
Registration for EMD 
Paper # EMCJ2009-9, EMD2009-1 
Volume (vol) vol.109 
Number (no) no.44(EMCJ), no.45(EMD) 
Page pp.1-6 
#Pages 6 
Date of Issue 2009-05-15 (EMCJ, EMD) 

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