6063 Aluminum Alloy

- Jan 30, 2018 -

6063 aluminum alloy is a heat-treatable strengthening alloy with moderate strength in AL-Mg-Si series. Mg and Si are the main alloying elements. The main work of the preferred chemical composition is to determine the percentage contents of Mg and Si (mass fraction) .


1.1Mg role and influence of Mg and Si composition strengthening phase Mg2Si, Mg content higher, the greater the number of Mg2Si, heat treatment to strengthen the greater the tensile strength of the profile, the higher, but the deformation resistance will follow Increased, the plastic alloy decreased, processing performance deterioration, corrosion resistance worse.


1.2 The role of Si and the impact of the amount of Si should make all the Mg alloy Mg2Si phase can exist in order to ensure the full play of the role of Mg. With the increase of Si content, the grain of the alloy becomes thinner, the fluidity of the metal increases, the casting performance becomes better, the heat treatment strengthening effect increases, the tensile strength of the profile increases, the ductility decreases and the corrosion resistance deteriorates.


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