Proceedings of the Korean Society for Technology of Plasticity Conference (한국소성가공학회:학술대회논문집)

The Korean Society for Technology of Plasticity and materials processing (한국소성∙가공학회)
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A Study on the Multi-Billet Extrusion of the Two-Layer Tubes by CDA 365/Al 1100 and Al 2014/Al 1100

CDA 365/Al 1100과 Al 2014/Al 1100 이중 관의 다소재 압출에 관한 연구

  • 김황수 (금오공과대학교 대학원, 한국폴리텍 창원대학 컴퓨터응용기계과) ;
  • 이권형 (금오공과대학교 대학원) ;
  • 한수식 (금오공과대학교 기계공학부) ;
  • 한철호 (금오공과대학교 기계공학부)
  • Published : 2006.05.11
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Abstract

A new forming method for metal/ other metal two-layer tubes by multi-billet extrusion (MBE) is introduced. The forming possibilities of two-layer tubes CDA 365(inner)/Al 1100(outer) and Al 2014(inner)/Al 1100(outer) by MBE are investigated according to the given frictional condition and die profile. The results show that two-layer tube composed by two types tube as abovementioned can be manufactured by MBE. Some stated variables in the forming process such as effective stress and normalized pressure at welding surface are analyzed by FEM code ($DEFORM^{TM}$-3D)

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