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| Presentation | 2015-12-21 16:15 Fundamental Study on Ultrasonic Welding of Small Machine Components -- Investigation of shape of Welding Bead -- Masahiko Jin, Takuya Iizuka (NIT)  US2015-80 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Ultrasonic welding method is a kind of metallurgical joining methods capable of joining metals in the solid state. Namely, both plastic flow of metal and friction by the ultrasonic vibration are operated simultaneously on the bonding surface, in which an oxide layer and a surface-adsorbed molecules layer are destroyed between the bonding surfaces. Thus, because the atoms of metals nearly contact each other, the both metals can be bonded in the solid state. Conventionally, the ultrasonic bonding method have been used to the bonding of various electrical terminals, such as terminals of electric wires of automobiles and internal electric wires of LSI (wire bonding). In contrast, this study aims at applying the ultrasonic bonding method to precision assembly of small metal parts. In this paper, we study the shapes of welding bead under bonding of aluminum thin sheet metals and evaluate bonding situation such as bonded strength and structure of bonded layer. Ultrasonic vibration bonding equipment vibrates at a frequency of 20.1kHz and the maximum amplitude of 16.8μm (0-p). In the experiments, A6022-T4 sheet with a thickness of 1mm were joined. As a result, it is fundamentally demonstrated that the joining is possible, and the relationship between strength and the shape of the bead on the bonding surface. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Ultrasonic vibration / welding / Thin sheet / Aluminum alloy / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 385, US2015-80, pp. 33-36, Dec. 2015. | |
| Paper # | US2015-80 | |
| Date of Issue | 2015-12-14 (US) | |
| 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 | US2015-80 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2015-12-21 - 2015-12-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Surugadai Campus, Nihon University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | High Power Ultrasound, General |
| Paper Information | |
| Registration To | US |
| Conference Code | 2015-12-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Fundamental Study on Ultrasonic Welding of Small Machine Components |
| Sub Title (in English) | Investigation of shape of Welding Bead |
| Keyword(1) | Ultrasonic vibration |
| Keyword(2) | welding |
| Keyword(3) | Thin sheet |
| Keyword(4) | Aluminum alloy |
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| 1st Author's Name | Masahiko Jin |
| 1st Author's Affiliation | Nippon Institute of Technology (NIT) |
| 2nd Author's Name | Takuya Iizuka |
| 2nd Author's Affiliation | Nippon Institute of Technology (NIT) |
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| Speaker | Author-2 |
| Date Time | 2015-12-21 16:15:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2015-80 |
| Volume (vol) | vol.115 |
| Number (no) | no.385 |
| Page | pp.33-36 |
| #Pages | 4 |
| Date of Issue | 2015-12-14 (US) |
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