2016 | OriginalPaper | Buchkapitel
Age-Hardening Behavior of Al-Mg2Si Alloys with Different Mn and Fe Contents
verfasst von : Shumei Wang, Shanshan Chen, Tokimasa Kawabata, Susumu Ikeno, Hidetoshi Takagi, Koji Kawakita, Kenji Matsuda
Erschienen in: ICAA13 Pittsburgh
Verlag: Springer International Publishing
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Microstructure and aging hardness variation of Al-Mg-Si alloys with different Mn or Fe content were investigated to reveal the effect of Mn or Fe on the age hardening behavior of Al-Mg-Si alloy using transmission electron microscopy. The peak hardness of the alloys with small content of Mn or Fe is higher than that of the base alloy; the peak hardness of the alloy with 0.2at.%Fe is similar to that of the base alloy but the peak hardness of the alloy with 0.25at.%Mn is lower than that of the base alloy. Si is expensed to form the dispersoid of AlMnSi or AlFeSi in the alloy with 0.25at.%Mn or 0.2at.%Fe.