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| Presentation | 2012-07-20 14:05 Electric-Resistance Measurement of Magnetic Pulse Welding Samples Eiki Kabasawa, Keigo Okagawa, Masaki Ishibashi, Tomokatsu Aizawa (TMCIT)  EMCJ2012-44 EMD2012-19 Link to ES Tech. Rep. Archives: EMD2012-19 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A rated current of a lithium ion battery bank for an electric vehicle (EV) is about 50 to 70A, and then an instant current of the battery exceeds 200A. When the current flows from the battery bank to a driving motor, the cells composing the battery have a chemical reaction heat. And then, the heat is conducted to the current-collection-tabs connected with the battery. It is considered that the sheet metal is connected with the tab as one of the solutions in order to maintain the ability of the power supply. Magnetic pulse welding is effective for lap-joining similar and dissimilar sheet metals such as Al/Al, Cu/Cu and Cu/Al. In this study, a voltage drop of the juncture of the sheets obtained by this welding method was measured 1000 times automatically by both a crossed rod method and a four-wire terminal method, and an electric joining resistance of the juncture was estimated by an average value of the voltage drop. The joining resistances, Al/Al and Cu/Cu, were less than 5 $\mu\Omega$ both. Therefore, the joule exothermic reaction of the juncture by the passage of the large current is small, and the absorption of the heat which arises in the battery can be expected. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Joining resistance / Pressure welding / Magnetic pulse welding / Crossed rod method / Four-wire connection method / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 144, EMD2012-19, pp. 19-24, July 2012. | |
| Paper # | EMD2012-19 | |
| Date of Issue | 2012-07-13 (EMCJ, 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 | EMCJ2012-44 EMD2012-19 Link to ES Tech. Rep. Archives: EMD2012-19 |
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| Conference Information | |
| Committee | EMCJ EMD |
| Conference Date | 2012-07-20 - 2012-07-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Discharge, EMC, etc. |
| Paper Information | |
| Registration To | EMD |
| Conference Code | 2012-07-EMCJ-EMD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Electric-Resistance Measurement of Magnetic Pulse Welding Samples |
| Sub Title (in English) | |
| Keyword(1) | Joining resistance |
| Keyword(2) | Pressure welding |
| Keyword(3) | Magnetic pulse welding |
| Keyword(4) | Crossed rod method |
| Keyword(5) | Four-wire connection method |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Eiki Kabasawa |
| 1st Author's Affiliation | Tokyo Metropolitan College of Industrial Technology (TMCIT) |
| 2nd Author's Name | Keigo Okagawa |
| 2nd Author's Affiliation | Tokyo Metropolitan College of Industrial Technology (TMCIT) |
| 3rd Author's Name | Masaki Ishibashi |
| 3rd Author's Affiliation | Tokyo Metropolitan College of Industrial Technology (TMCIT) |
| 4th Author's Name | Tomokatsu Aizawa |
| 4th Author's Affiliation | Tokyo Metropolitan College of Industrial Technology (TMCIT) |
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| Speaker | Author-1 |
| Date Time | 2012-07-20 14:05:00 |
| Presentation Time | 25 minutes |
| Registration for | EMD |
| Paper # | EMCJ2012-44, EMD2012-19 |
| Volume (vol) | vol.112 |
| Number (no) | no.143(EMCJ), no.144(EMD) |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2012-07-13 (EMCJ, EMD) |
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