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Paper Abstract and Keywords
Presentation 2010-12-16 16:45
Reduction Method for Residual Stress on Welded Joint Using Ultrasonic and Low Frequency Vibrations -- Simulation Using Model with Plastic Deformation --
Shigeru Aoki, Tadashi Nishimura, Tetsumaro Hiroi, Katsumi Kurita (TMCIT), Seiji Hirai (IOT), Shigeomi Koshimizu (AIIT) US2010-91
Abstract (in Japanese) (See Japanese page) 
(in English) Welding is widely used for construction of many structures. Residual stress is generated near the bead because of locally given heat. Tensile residual stress degrades fatigue strength. Reduction method for residual stress has been developed. In this paper, a new method using ultrasonic vibration and low frequency vibrations during welding is proposed. This method is applied to welding of thin plates. It is found that tensile residual stress is reduced. Because yield stress immediately after welding is low, an analytical model considering plastic deformation is introduced. It is demonstrated by simulation using the proposed model that tensile residual stress is reduced using ultrasonic and low frequency vibrations.
Keyword (in Japanese) (See Japanese page) 
(in English) Welding / Residual Stress / Vibration / Plastic Deformation / Analytical Model / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 338, US2010-91, pp. 35-38, Dec. 2010.
Paper # US2010-91 
Date of Issue 2010-12-09 (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 US2010-91

Conference Information
Committee US  
Conference Date 2010-12-16 - 2010-12-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Suzukakedai Campus, Tokyo Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) High Power Ultrasound 
Paper Information
Registration To US 
Conference Code 2010-12-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reduction Method for Residual Stress on Welded Joint Using Ultrasonic and Low Frequency Vibrations 
Sub Title (in English) Simulation Using Model with Plastic Deformation 
Keyword(1) Welding  
Keyword(2) Residual Stress  
Keyword(3) Vibration  
Keyword(4) Plastic Deformation  
Keyword(5) Analytical Model  
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Keyword(8)  
1st Author's Name Shigeru Aoki  
1st Author's Affiliation Tokyo Metropolitan College of Industrial Technology (TMCIT)
2nd Author's Name Tadashi Nishimura  
2nd Author's Affiliation Tokyo Metropolitan College of Industrial Technology (TMCIT)
3rd Author's Name Tetsumaro Hiroi  
3rd Author's Affiliation Tokyo Metropolitan College of Industrial Technology (TMCIT)
4th Author's Name Katsumi Kurita  
4th Author's Affiliation Tokyo Metropolitan College of Industrial Technology (TMCIT)
5th Author's Name Seiji Hirai  
5th Author's Affiliation Institute of Technologists (IOT)
6th Author's Name Shigeomi Koshimizu  
6th Author's Affiliation Advanced Institute of Industrial Technology (AIIT)
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Speaker Author-1 
Date Time 2010-12-16 16:45:00 
Presentation Time 30 minutes 
Registration for US 
Paper # US2010-91 
Volume (vol) vol.110 
Number (no) no.338 
Page pp.35-38 
#Pages 4 
Date of Issue 2010-12-09 (US) 

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