대한용접접합학회:학술대회논문집 (Proceedings of the KWS Conference)

대한용접접합학회 (The Korean Welding and Joining Society)
권호 표지

PE 이중벽관 융착시 열판 형상에 따른 PE 파이프의 용접성에 관한 연구

Studies on the Improvement of Butt Welding Characteristic of Polyethylene Pipes using an Advanced Heat Plate

  • Gang, Chang-Gu (Korea Aerospace Univ., Dept. of Aerospace & Mechanical Engineering) ;
  • Kim, Jae-Seong (Korea Aerospace Univ., Dept. of Aerospace & Mechanical Engineering) ;
  • An, Dae-Hwan (Korea Aerospace Univ., Dept. of Aerospace & Mechanical Engineering) ;
  • Lee, Gyeong-Cheol (Korea Aerospace Univ., Dept. of Aerospace & Mechanical Engineering) ;
  • Hwang, Ung-Gi (Korea Aerospace Univ., Dept. of Aerospace & Mechanical Engineering) ;
  • Lee, Bo-Yeong (Korea Aerospace Univ., Dept. of Aerospace & Mechanical Engineering)
  • 발행 : 2007.11.15
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초록

Many processes have been introduced to join PE pipes, but most of these methods have lots of disadvantages such as costs and lack of reliability, etc. Recently due to the benefits of cost, safety and reliability, the but welding has been paid much attention to join PE pipes. In case of butt welding, the heat plate which is used to melt PE pipes is the most critical equipment. In this study, after designed secondary developed heat plate of new shape, the PE double wall pipes were but-welding by using the developed heat plate and secondary developed heat plate and comparison of weld-zones and tensile test were performed. As results of tensile test, tensile strengths using secondary developed heat plate were measured higher $1.17{\sim}1.5$ than using developed heat plate.

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