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강관의 고주파 저항용접에서 내로우갭 주위의 전자기장 및 온도분포 해석

Analysis of Electromagnetic Field and Temperature Distribution around Narrow Gap in High-frequency Resistance Welding of Steel Pipe

Journal of the Korean Society for Precision Engineering 2023;40(10):829-837.
Published online: September 30, 2023

1 전남대학교 기계공학과

2 경상국립대학교 메카트로닉스공학부

1 Department of Mechanical Engineering, Chonnam National University

2 School of Mechatronics Engineering, Gyeongsang National University

#E-mail: kybae9@gnu.ac.kr, TEL: +82-55-772-3384
• Received: April 29, 2023   • Revised: July 11, 2023   • Accepted: July 12, 2023

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Analysis of Stress Distribution around the Weld Zone in High Frequency Resistance Welding of Steel Pipe
    Young-Soo Yang, Kang-Yul Bae
    Journal of the Korean Society of Manufacturing Process Engineers.2024; 23(6): 21.     CrossRef

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Analysis of Electromagnetic Field and Temperature Distribution around Narrow Gap in High-frequency Resistance Welding of Steel Pipe
J. Korean Soc. Precis. Eng.. 2023;40(10):829-837.   Published online October 1, 2023
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Analysis of Electromagnetic Field and Temperature Distribution around Narrow Gap in High-frequency Resistance Welding of Steel Pipe
J. Korean Soc. Precis. Eng.. 2023;40(10):829-837.   Published online October 1, 2023
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Analysis of Electromagnetic Field and Temperature Distribution around Narrow Gap in High-frequency Resistance Welding of Steel Pipe
Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Schematic drawing of high frequency resistance welding process of steel pipe [4] (Adapted from Ref. 4 on the basis of OA)
Fig. 2 Geometric model and solution domain for electromagnetic FEM analysis
Fig. 3 Changes of solution domain for heat transfer analysis of steel pipe during HFRW process
Fig. 4 Solution domain and mesh division in FEM analysis for temperature distribution of steel strip
Fig. 5 Distributions of current density and magnetic flux density at strip edge
Fig. 6 Current density and magnetic flux density from V-area to weld point along end of strip edge with change of input voltage
Fig. 7 Current density and magnetic flux density from V-area to weld point along end of strip edge with change of narrow-gap length
Fig. 8 Electromagnetic force in circumferential direction acting on surface of narrow gap
Fig. 9 Electromagnetic force in axial direction acting on surface of narrow gap at welding point
Fig. 10 Temperature distribution in surface of steel strip during HFRW with elapsed time
Fig. 11 Temperature distribution at welding point with change of narrow gap length at constant voltage
Fig. 12 Predicted narrow-gap length with change of voltage for optimal welding
Analysis of Electromagnetic Field and Temperature Distribution around Narrow Gap in High-frequency Resistance Welding of Steel Pipe

Width of welded zone in mm at the center of thickness

Voltage
[V]
Gap length
[mm]
0 5 10 15 20 25 30 35 40
240 0.40 0.33              
245   0.40 0.35            
250     0.42 0.38          
255       0.47 0.40        
260         0.50 0.41 0.34    
265             0.43 0.35  
270               0.46 0.36
Table 1 Width of welded zone in mm at the center of thickness