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| Presentation | 2014-02-21 13:55 Three-dimensional comparisons of damage shapes on Ag and AgSnO2 contact surfaces caused by break arc discharges Makoto Hasegawa, Daichi Kawamura (Chitose Inst. of Science and Tech.)  R2013-86 EMD2013-142 Link to ES Tech. Rep. Archives: EMD2013-142 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Observation and evaluation of changes (damage growth) on contact surfaces caused by arc discharges are important for realizing better understandings of contact phenomena. For that purposes, an evaluation system enabling observation and evaluation of growth processes of a crater and/or a pip (damage shapes) during switching operations has been being constructed. Up to now, evaluation of a movable cathode surface profile by way of an optical cross-section method, as well as observation of the counterpart stationary anode surface by means of a CCD camera, has been realized. For the cathode surfaces, further observations and evaluations of temporal changes in the cathode surface conditions (a crater growth process) during switching operations were tried by drawing three-dimensional images of the movable cathode samples based on data obtained with the optical cross-section method. In this paper, Ag contact pairs and AgSnO2 contact pairs were operated to break a DC14V-2A or 3A load current in an inductive circuit, and damage shapes on their contact surfaces were three-dimensionally evaluated and compared with each other by those evaluation schemes as well as measurement of numerical data based on microscope evaluation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical cross-section method / Electrical contacts / Arc discharge / Material transfer / Eroion / Ag contacts / AgSnO2 contacts / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 438, EMD2013-142, pp. 13-18, Feb. 2014. | |
| Paper # | EMD2013-142 | |
| Date of Issue | 2014-02-14 (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 | R2013-86 EMD2013-142 Link to ES Tech. Rep. Archives: EMD2013-142 |
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| Conference Information | |
| Committee | EMD R |
| Conference Date | 2014-02-21 - 2014-02-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMD |
| Conference Code | 2014-02-EMD-R |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Three-dimensional comparisons of damage shapes on Ag and AgSnO2 contact surfaces caused by break arc discharges |
| Sub Title (in English) | |
| Keyword(1) | Optical cross-section method |
| Keyword(2) | Electrical contacts |
| Keyword(3) | Arc discharge |
| Keyword(4) | Material transfer |
| Keyword(5) | Eroion |
| Keyword(6) | Ag contacts |
| Keyword(7) | AgSnO2 contacts |
| Keyword(8) | |
| 1st Author's Name | Makoto Hasegawa |
| 1st Author's Affiliation | Chitose Institute of Science and Technology (Chitose Inst. of Science and Tech.) |
| 2nd Author's Name | Daichi Kawamura |
| 2nd Author's Affiliation | Chitose Institute of Science and Technology (Chitose Inst. of Science and Tech.) |
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| Speaker | Author-1 |
| Date Time | 2014-02-21 13:55:00 |
| Presentation Time | 25 minutes |
| Registration for | EMD |
| Paper # | R2013-86, EMD2013-142 |
| Volume (vol) | vol.113 |
| Number (no) | no.437(R), no.438(EMD) |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2014-02-14 (R, EMD) |
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