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Paper Abstract and Keywords
Presentation 2017-11-17 11:35
Electromagnetic Energy Transmission in Magnetic Pulse Welding of Al/Cu Sheets using 1, 3, 4 and 6 Turn Flat Coils
Tomakatsu Aizawa (Tokyo Metropolitan College) EMD2017-46 Link to ES Tech. Rep. Archives: EMD2017-46
Abstract (in Japanese) (See Japanese page) 
(in English) A high pulse current from a capacitor bank is discharged through an insulated flat coil for magnetic pulse welding of sheets. The sheets (Al/Cu) with a gap are overlapped and fixed on the coil. Electromagnetic coupling exists between the coil and the Al sheet near the coil. This study shows the transmission efficiency of the electromagnetic energy which move from the bank to the coil by using equivalent discharge circuits. The welding is carried out by the energy that moved to the coil. Since the efficiency improves as the equivalent coil inductance increases, the 6 turn flat coil is most effective compared to other coils with fewer turns. The efficiency of the 1, 3, 4 and 6 turn flat coils was calculated based on the welding experiments.
Keyword (in Japanese) (See Japanese page) 
(in English) Electromagnetic energy / Energy transmission / Magnetic pulse welding / Flat coil / Discharge circuit / Equivalent circuit / Electrical connection / Al/Cu  
Reference Info. IEICE Tech. Rep., vol. 117, no. 312, EMD2017-46, pp. 21-26, Nov. 2017.
Paper # EMD2017-46 
Date of Issue 2017-11-10 (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 EMD2017-46 Link to ES Tech. Rep. Archives: EMD2017-46

Conference Information
Committee EMD  
Conference Date 2017-11-17 - 2017-11-17 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Electro-Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) International Session IS-EMD2017 
Paper Information
Registration To EMD 
Conference Code 2017-11-EMD 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Electromagnetic Energy Transmission in Magnetic Pulse Welding of Al/Cu Sheets using 1, 3, 4 and 6 Turn Flat Coils 
Sub Title (in English)  
Keyword(1) Electromagnetic energy  
Keyword(2) Energy transmission  
Keyword(3) Magnetic pulse welding  
Keyword(4) Flat coil  
Keyword(5) Discharge circuit  
Keyword(6) Equivalent circuit  
Keyword(7) Electrical connection  
Keyword(8) Al/Cu  
1st Author's Name Tomakatsu Aizawa  
1st Author's Affiliation Tokyo Metropolitan College of Technology (Tokyo Metropolitan College)
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Date Time 2017-11-17 11:35:00 
Presentation Time 25 
Registration for EMD 
Paper # IEICE-EMD2017-46 
Volume (vol) IEICE-117 
Number (no) no.312 
Page pp.21-26 
#Pages IEICE-6 
Date of Issue IEICE-EMD-2017-11-10 

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