Warning: fopen(/home/virtual/kwjs/journal/upload/ip_log/ip_log_2024-03.txt): failed to open stream: Permission denied in /home/virtual/lib/view_data.php on line 88 Warning: fwrite() expects parameter 1 to be resource, boolean given in /home/virtual/lib/view_data.php on line 89 A Study on Improvement of Fatigue Strength of Electrical Panel Weldments in Naval Vessels by Post Weld Treatment

Journal of KWJS 2008;26(4):55-60.
Published online September 24, 2008.
함정용 배전반 용접부의 용접후처리 방법에 의한 피로강도 증대 효과에 관한 연구
, ,
 
A Study on Improvement of Fatigue Strength of Electrical Panel Weldments in Naval Vessels by Post Weld Treatment
Myung-Hyun Kim, Min-Su Kang, Sung-Won Kang
Abstract
  Structural reliability of electrical panels installed in naval vessels is of critical importance from structural performance viewpoint. The panels may be exposed to vibration and fatigue loadings from internal and external sources and wave loading which cause fatigue cracking. In this study, common methods such as burr grinding and post weld heat treatment (PWHT), for the fatigue strength improvement of weldments are investigated. Burr grinding is carried out using a electric grinder in order to remove surface defects and improve the weld bead profile. And also PWHT is carried out for the purpose of removing residual. The effectiveness of the two post treatment methods is evaluated in terms of fatigue strength improvement of welded structures.
Key Words: Fatigue, Electrical Panel, PWHT, Burr grinding


ABOUT
BROWSE ARTICLES
ARTICLE CATEGORY 
FOR CONTRIBUTORS
Editorial Office
#304, San-Jeong Building, 23, Gukhoe-daero 66-gil, Yeongdeungpo-gu, Seoul 07237, Korea
Tel: +82-2-538-6511    Fax: +82-2-538-6510    E-mail: koweld@kwjs.or.kr                

Copyright © 2024 by The Korean Welding and Joining Society.

Developed in M2PI