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Paper Abstract and Keywords
Presentation 2024-07-19 14:25
Magnetic pulse welding of sheet metals using 20 -turn flat coil and thyristor switches
Tomokatsu Aizawa (Metropolitan College of Technology) EMD2024-1
Abstract (in Japanese) (See Japanese page) 
(in English) Magnetic pulse welding of sheet metals is carried out by flowing the pulse large current from a capacitor bank to the narrow central part of a flat coil, and rapidly applying high-density magnetic flux to sheet metals. The sheet metals with a gap are placed on the coil and are welded by high-speed collision. When the 20-turn coil is used, the maximum discharge current required for welding will be reduced to approximately 8 kA. In this report, the number of coil turns is chosen to be 10 and 20, respectively, for the bank capacity during discharge of 6 and 1.5μF. Such combinations (bank capacity and number of turns) are electromagnetically equivalent combinations, and the current waveform and generated magnetic flux density are almost the same. The sheet metals can be welded in the same way if conditions are selected. From the experimental results of Al/Cu sheets using the 10-tu-rn coil, it is possible to simulate the results using the 20-turn coil. Based on the simulation results, we propose magnetic pulse welding method for Al/Cu sheets using the 20-turn coil and thyristor switches. Next, considered the switch products you will use.
Keyword (in Japanese) (See Japanese page) 
(in English) Magnetic pulse welding / Sheet metal / 20-turn flat coil / Thyristor switch / Simulation / Pulse large current / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 118, EMD2024-1, pp. 1-6, July 2024.
Paper # EMD2024-1 
Date of Issue 2024-07-12 (EMD) 
ISSN 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 EMD2024-1

Conference Information
Committee EMCJ WPT EMD  
Conference Date 2024-07-19 - 2024-07-19 
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 2024-07-EMCJ-WPT-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Magnetic pulse welding of sheet metals using 20 -turn flat coil and thyristor switches 
Sub Title (in English)  
Keyword(1) Magnetic pulse welding  
Keyword(2) Sheet metal  
Keyword(3) 20-turn flat coil  
Keyword(4) Thyristor switch  
Keyword(5) Simulation  
Keyword(6) Pulse large current  
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Keyword(8)  
1st Author's Name Tomokatsu Aizawa  
1st Author's Affiliation Tokyo Metropolitan College of Technology (Metropolitan College of Technology)
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Speaker Author-1 
Date Time 2024-07-19 14:25:00 
Presentation Time 25 minutes 
Registration for EMD 
Paper # EMD2024-1 
Volume (vol) vol.124 
Number (no) no.118 
Page pp.1-6 
#Pages 6 
Date of Issue 2024-07-12 (EMD) 

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