Transactions of Materials Processing (소성∙가공)

The Korean Society for Technology of Plasticity and materials processing (한국소성∙가공학회)
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Development of New Bimetal Material for Home Appliances by Using the Rolling Process

압연공정을 이용한 가전용 신 바이메탈재의 개발

  • 박상순 (동의대학교 대학원 신소재공학과) ;
  • 이제헌 (국방기술품질원) ;
  • 배동현 ((주)한국크래드텍) ;
  • 배동수 (동의대학교 대학원 신소재공학과)
  • Published : 2007.08.01
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Abstract

The bimetals of home appliances are mainly manufactured by cladding process and these are almost consisted with Cu alloy and Ni alloy. But it is very difficult to clad these alloys, because the brittle $Cu_3O_4$ oxide film formed easily on Cu alloy surface during cladding process. Clad rolling and heat treatment processes were applied for the development of bimetals by using the Ni alloy and the 3 types of Cu alloys. Optical microstructure, micro-hardness, specific resistance, and deflection and line profile of newly processed bimetals specimens were observed and measured in this paper. Inter-diffusion was observed between Cu and Ni element in the interface of heat treated Cu alloy and Ni alloy clad material. The C1220 and Invar36 clad material showed the best property of deflection among the 3 kind of clad materials.

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References

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