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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.1
- 수록면
- 103 - 112 (10page)
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초록· 키워드
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Effect of Fe and Mn contents on the tensile properties of Al-4 wt%Mg-0.9 wt%Si alloy system has been studied. Common phases of Al-4 wt%Mg-0.9 wt%Si alloy system were ${\alpha}$-Al, $Mg_2Si$, ${\alpha}-Al_{12}(Fe,Mn)_3Si$ and ${\beta}-Al_5FeSi$. As Fe content of Al-4 wt%Mg-0.9 wt%Si alloy system increased from 0.15 wt% to above 0.3 wt%, ${\beta}-Al_5FeSi$ compound appeared. When Mn content of the alloy increased from 0.3 wt% to 0.5 wt%, morphology of plate shaped ${\beta}-Al_5FeSi$ compound changed to chinese script ${\alpha}-Al_{12}(Fe,Mn)_3Si$. As Fe content of Al-4 wt%Mg-0.9 wt%Si-0.3 wt%Mn alloy increased from 0.15 wt% to 0.4 wt%, tensile strength of the as-cast alloy decreased from 191 MPa to 183 MPa and, elongation of the alloy also decreased from 8.0% to 6.2%. Decrease of these properties can be explained as the formation of plate shape, ${\beta}-Al_5FeSi$ phase with low Mn/Fe ratio of the alloy. However, when Mn content of Al-4 wt%Mg-0.9 wt%Si-0.3 wt%Fe alloy increased from 0.3 wt% to 0.5 wt%, tensile strength of as-cast alloy increased from 181 MPa to 194 MPa and, elongation of the alloy increased from 6.8% to 7.0%. These improvements attribute to the morphology change from ${\beta}-Al_5FeSi$ phase to chinese script, ${\alpha}-Al_{15}(Fe,Mn)_3Si_2$ phase shape-modified from with high Mn/Fe ratio of the alloy.
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참고문헌 (14)
참고문헌 신청
J. L. Jorstad / 2006 / Future technology in Aluminum die casting / Die Casting Engineer 9:18~25
H. Koch / 1995 / Silafont-36, the new low iron high-pressure die-casting alloy / TMS :1011~1018
M. Makhlouf / 2002 / Casting characteristics of Aluminum die casting alloys
N. A. Belov / 2002 / Iron in Aluminum alloys: Impurity and Alloying Element, Advances in Metallic Alloys / Taylor and Francis 2:190~191
J. L. Jarstad / 1987 / Understanding Sludge / Proc. of the 14th SDCE International Die Casting Congress and Exposition
H. Koch / 1995 / Silafont-36, the new low iron high-pressure die-casting alloy / TMS :1011~1018
M. Makhlouf / 2002 / Casting characteristics of Aluminum die casting alloys
N. A. Belov / 2002 / Iron in Aluminum alloys: Impurity and Alloying Element, Advances in Metallic Alloys / Taylor and Francis 2:190~191
J. L. Jarstad / 1987 / Understanding Sludge / Proc. of the 14th SDCE International Die Casting Congress and Exposition
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