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Development of a Process to Simultaneously Weld and Extrude Pipe Using a Spring Type Wire Material
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  • Journal title : Transactions of Materials Processing
  • Volume 24, Issue 5,  2015, pp.317-322
  • Publisher : The Korean Society for Technology of Plasticity
  • DOI : 10.5228/KSTP.24.5.317
 Title & Authors
Development of a Process to Simultaneously Weld and Extrude Pipe Using a Spring Type Wire Material
Ku, K.M.; Kim, T.H.; Jin, I.T.;
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 Abstract
A process for the concurrent welding and extruding of pipe was designed for continuous production of fin tubes. Unlike a conventional pipe extrusion, the new process is able to extrude a pipe continuously without limit of length by using spring type wire material. The current paper provides the basic research for welding during the extrusion using a spring type wire material. The object of the current study is to investigate the possibility that the spring type wire material could be extrude into a welded pipe. The appropriate extrusion ratio was selected through investigation of loads using computer simulations. As a result, experiments showed that pipe could be welded and simultaneously extruded with spring type wire material of aluminum. The tensile strength of the welded and extruded aluminum pipe can reach 80% of tensile strength of original aluminum feedstock.
 Keywords
Pipe;Welding;Extrusion;Dies;Concurrent;Forming;Aluminum;Simultaneously;Spring;Wire;Strength;
 Language
Korean
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