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Paper Abstract and Keywords
Presentation 2023-08-25 14:15
Soldering Method of 10-Turn Flat Coil Plates for Magnetic Pulse Welding of Al/Cu Sheets
Tomokatsu Aizawa (Metropolitan College of Technology) R2023-35 EMD2023-30 CPM2023-40 OPE2023-79 LQE2023-26
Abstract (in Japanese) (See Japanese page) 
(in English) When overlapping Al/Cu sheets (0.5 mm thick) were fixed on a 10-turn flat coil and magnetic pulse welding was performed, it was possible to achieve high-speed collision and high-quality welding similar to a generally used 1-turn flat coil. Welding experiments were performed with discharge current flowing from a parallel-charge series-discharge capacitor bank to the 10-turn coil (consisting of 10 coil plates). Two advantages of using the high-inductance 10-turn coil are that it reduces the maximum discharge current from the capacitor bank and increases the efficiency of electromagnetic energy transfer from the bank to the coil. The bank energy, maximum discharge current and rise time required for welding were about 0.7 kJ, 16 kA and 5 μs, respectively. However, it was necessary to carefully select the position and range of direct soldering of the coil plates. Here, an example of the soldering method is explained using disassembled photographs of the soldered coil part and coil plate. A soldering tool is also shown.
Keyword (in Japanese) (See Japanese page) 
(in English) Magnetic pulse welding / Al/Cu sheets / 10-turn flat coil / Soldering method / High-density magnetic flux / Parallel-charge series-discharge / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 159, EMD2023-30, pp. 95-100, Aug. 2023.
Paper # EMD2023-30 
Date of Issue 2023-08-17 (R, EMD, CPM, OPE, LQE) 
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 R2023-35 EMD2023-30 CPM2023-40 OPE2023-79 LQE2023-26

Conference Information
Committee LQE OPE CPM EMD R  
Conference Date 2023-08-24 - 2023-08-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku university 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photodetectors, Modulators, Optical Electrical device packaging and reliability 
Paper Information
Registration To EMD 
Conference Code 2023-08-LQE-OPE-CPM-EMD-R 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Soldering Method of 10-Turn Flat Coil Plates for Magnetic Pulse Welding of Al/Cu Sheets 
Sub Title (in English)  
Keyword(1) Magnetic pulse welding  
Keyword(2) Al/Cu sheets  
Keyword(3) 10-turn flat coil  
Keyword(4) Soldering method  
Keyword(5) High-density magnetic flux  
Keyword(6) Parallel-charge series-discharge  
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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 2023-08-25 14:15:00 
Presentation Time 25 minutes 
Registration for EMD 
Paper # R2023-35, EMD2023-30, CPM2023-40, OPE2023-79, LQE2023-26 
Volume (vol) vol.123 
Number (no) no.158(R), no.159(EMD), no.160(CPM), no.161(OPE), no.162(LQE) 
Page pp.95-100 
#Pages 6 
Date of Issue 2023-08-17 (R, EMD, CPM, OPE, LQE) 

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