한국주조공학회지 (Journal of Korea Foundry Society)

  • 제33권3호
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  • Pages.113-121
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  • 2013
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  • 1598-706X(pISSN)
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  • 2288-8381(eISSN)
한국주조공학회 (Korea Foundry Society)
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다이캐스팅용 고열전도도 Al-Zn-Mg-Fe 합금의 특성에 미치는 Zn 및 Mg 첨가량의 영향

Effects of Zn and Mg Amounts on the Properties of High Thermal Conductivity Al-Zn-Mg-Fe Alloys for Die Casting

  • 김기태 (한국생산기술연구원 주조기술센터) ;
  • 임영석 (한국생산기술연구원 주조기술센터) ;
  • 신제식 (한국생산기술연구원 주조기술센터) ;
  • 고세현 (한국생산기술연구원 주조기술센터) ;
  • 김정민 (한밭대학교 신소재공학부)
  • Kim, Ki-Tae (Foundry Technology Center, Korea Institute of Industrial Technology) ;
  • Lim, Young-Suk (Foundry Technology Center, Korea Institute of Industrial Technology) ;
  • Shin, Je-Sik (Foundry Technology Center, Korea Institute of Industrial Technology) ;
  • Ko, Se-Hyun (Foundry Technology Center, Korea Institute of Industrial Technology) ;
  • Kim, Jeong-Min (Dept. of Applied Materials Eng., Hanbat National University)
  • 투고 : 2013.03.22
  • 심사 : 2013.05.29
  • 발행 : 2013.06.30
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초록

The effects of Zn and Mg amounts on the solidification characteristics, microstructure, thermal conductivity and tensile strength of Al-Zn-Mg-Fe alloys were investigated for the development of high thermal conductivity aluminium alloys for die casting. Zn and Mg amounts in Al-Zn-Mg-Fe alloys had a little effect on the liquidus / solidus temperature, the latent heat for solidification and the fluidity of Al-Zn-Mg-Fe alloys. Thermo-physical modelling of Al-Zn-Mg-Fe alloys by JMatPro program showed $MgZn_2$, AlCuMgZn and Al3Fe phases on microstructure of their alloys. Increase of Zn and Mg amounts in Al-Zn-Mg-Fe alloys resulted in gradual reduction of the thermal conductivity of their alloys. Increase of Mg amounts in Al-2%Zn-Mg-Fe alloys had little effect on the tensile strength of their alloys, but increase of Mg amounts in Al-4%Zn-Mg-Fe alloys resulted in steep increase of the tensile strength of their alloys.

키워드

참고문헌

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피인용 문헌

  1. Influence of Cu and Zn Contents on the Properties of Al-Fe-Cu-Mg Based Casting Alloys vol.34, pp.4, 2014, https://doi.org/10.7777/jkfs.2014.34.4.130
  2. Effect of Ni content on the properties and hot cracking susceptibility of Al–Fe–Mg–Zn–xNi alloys for high conductivity demanding applications vol.19, pp.sup8, 2015, https://doi.org/10.1179/1432891715Z.0000000001723