논문 국내 국내전문학술지(KCI급) Effects of Mg Content on the Properties and Casting Characteristics of Al-2Zn-0.2Fe-xMg Alloys
- 학술지 구분 국내전문학술지(KCI급)
- 게재년월 2012-04
- 저자명 Jeong-Min Kim†, Joon-Sik Park, Ki-Tae Kim*, and Se-Hyun Ko*
- 학술지명 한국주조공학회지
- 발행처명 Journal of the Korea Foundry Society
- 발행국가 국내
- 논문언어 한국어
- 전체저자수 4
홈페이지
논문 초록 (Abstract)
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 , 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.