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Paper Abstract and Keywords
Presentation 2020-01-17 14:05
Magnetic pulse welding of Al/Cu sheets using 8-turn flat coil (2nd Report) -- Coil plate deformation after experiments --
Tomokatsu Aizawa (Tokyo Metropolitan College) EMD2019-48 Link to ES Tech. Rep. Archives: EMD2019-48
Abstract (in Japanese) (See Japanese page) 
(in English) This magnetic pulse welding was performed by charging two sets of the same capacitor in parallel, discharging them in series, and rapidly flowing a discharge current an insulated 8-turn flat coil. Overlapped Al/Cu sheets with a gap were fixed on the coil and welded by electromagnetic forces. The thickness of the eight coil plates constituting the coil was 0.30mm, the width of the central part where the discharge current concentrated was 5.0mm, and the maximum current value was about 21kA. When the similar 6-turn coil was used in such experiments, the central part of the coil and the adjacent part where both currents flow in opposite directions were easily deformed, and the same coil could be used only about 40 times. In this experiment, the shape of the coil and its plates were improved and the deformation of the adjacent part was reduced. Using the same 8-turn coil, Al/Cu sheets and others welding experiments were carried out about 60 times. After the experiments, the coil was disassembled and the deformation in the central and adjacent parts was examined. The width of each central part varied in the range of 4.9mm to 5.5mm, but there was no obvious deformation in the adjacent part.
Keyword (in Japanese) (See Japanese page) 
(in English) Electrical connection / Al / Cu / Magnetic pulse welding / 8-turn flat coil / Deformation / Series-discharge capacitor bank /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 370, EMD2019-48, pp. 1-6, Jan. 2020.
Paper # EMD2019-48 
Date of Issue 2020-01-10 (EMD) 
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 EMD2019-48 Link to ES Tech. Rep. Archives: EMD2019-48

Conference Information
Committee EMD  
Conference Date 2020-01-17 - 2020-01-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Rental hall Shonan Hiratsuka 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To EMD 
Conference Code 2020-01-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Magnetic pulse welding of Al/Cu sheets using 8-turn flat coil (2nd Report) 
Sub Title (in English) Coil plate deformation after experiments 
Keyword(1) Electrical connection  
Keyword(2) Al  
Keyword(3) Cu  
Keyword(4) Magnetic pulse welding  
Keyword(5) 8-turn flat coil  
Keyword(6) Deformation  
Keyword(7) Series-discharge capacitor bank  
1st Author's Name Tomokatsu Aizawa  
1st Author's Affiliation Tokyo Metropolitan College of Technology (Tokyo Metropolitan College)
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Speaker Author-1 
Date Time 2020-01-17 14:05:00 
Presentation Time 25 minutes 
Registration for EMD 
Paper # EMD2019-48 
Volume (vol) vol.119 
Number (no) no.370 
Page pp.1-6 
Date of Issue 2020-01-10 (EMD) 

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