Proceedings of the Korea Committee for Ocean Resources and Engineering Conference (한국해양공학회:학술대회논문집)

Korean Society of Ocean Engineers (한국해양공학회)
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Dissimilar Friction Welded for Shock Absorber Steels and Its Evaluation by AE

자동차 쇽업소바용 강재의 이종 마찰용접과 AE평가

  • Lee, Bae-Sub (Dept. of Computer Aided Mechanical Design, Seoul Information Polytechnic College) ;
  • Kong, Yu-Sik (School of Mechanical Engineering, Pukyong National University) ;
  • Kim, Seon-Jin (School of Mechanical Engineering, Pukyong National University) ;
  • Oh, Sae-Kyoo (School of Mechanical Engineering, Pukyong National University)
  • 이배섭 (서울정보기능대학 컴퓨터응용기계설계과) ;
  • 공유식 (부경대학교 기계공학부) ;
  • 김선진 (부경대학교 기계공학부) ;
  • 오세규 (부경대학교 기계공학부)
  • Published : 2003.10.24
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Abstract

The shock absorber for vehicles is the important component to absorb the shock in driving. These essential components, piton and piston rod, must be made of S25C, S45C and SCM440 generally depending on kind of vehicles, precisely machined and assembled by the bolt. And it has been difficult to weld this sort of dissimilar materials. They could be unstable in the quality by the conventional arc welding. And also they have a lot of technical problems in manufacturing. But by the friction welding technique, it will be able to be made without such problems. These factors above necessitate nowadays the domestic development of the shock absorber by friction welding and a new approach of study on real-time quality evaluation by AE techniques.

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