Graphene composite rare earth modification hypo eutectic Al-Si-Mg casting alloy and preparing method thereof
A graphene composite and rare earth modification technology, applied in the field of cast aluminum alloy, can solve the problems of poor plasticity and low mechanical properties of the alloy, and achieve the effect of promoting homogenization, uniform microstructure and ensuring constant temperature
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Embodiment 1
[0059] This embodiment intends to prepare a graphene composite rare earth metamorphic hypoeutectic Al-Si-Mg casting alloy, its chemical composition is: Si5.00wt.%, Mg 0.50wt.%, Ce 0.41wt.%, Ti 0.10wt .%, Fe 0.12wt.%, Cu0.10wt.%, Mn 0.03wt.%, Cr 0.03wt.%, Ni 0.03wt.%, Zn 0.20wt.%, Sn 0.10wt.%, Zr0.05wt.% , Be 0.05wt.%, Pb 0.05wt.%, Graphene 0.005wt.%; other unspecified impurity elements: each ≤0.02wt.%, total ≤0.10wt.%, the balance is Al.
[0060] The specific preparation method is as follows:
[0061] (1) Weigh the raw materials of each component according to the ratio of alloy elements: aluminum particles, Si particles, Mg powder, Ce powder, Ti powder, Fe powder, Cu powder, Mn powder, Cr powder, Ni powder, Zn powder, Sn powder , Zr powder, Be powder, Pb powder, graphene;
[0062] (2) Spread the weighed graphene on the aluminum foil, titrate a small amount of high-purity alcohol to fully dissolve the graphene in the alcohol, add Si particles, stir evenly, fold the aluminum f...
Embodiment 2
[0070] This embodiment intends to prepare a graphene composite rare earth metamorphic hypoeutectic Al-Si-Mg casting alloy, its chemical composition is: Si 7.00wt.%, Mg 0.50wt.%, Ce 0.61wt.%, Ti 0.10wt .%, Fe 0.12wt.%, Cu0.10wt.%, Mn 0.03wt.%, Cr 0.03wt.%, Ni 0.03wt.%, Zn 0.20wt.%, Sn 0.10wt.%, Zr0.05wt.% , Be 0.05wt.%, Pb 0.05wt.%, Graphene 0.005wt.%; other unspecified impurity elements: each ≤0.02wt.%, total ≤0.10wt.%, the balance is Al.
[0071] The specific preparation method is as follows:
[0072] (1) Weigh the raw materials of each component according to the ratio of alloy elements: aluminum particles, Si particles, Mg powder, Ce powder, Ti powder, Fe powder, Cu powder, Mn powder, Cr powder, Ni powder, Zn powder, Sn powder , Zr powder, Be powder, Pb powder, graphene;
[0073] (2) Spread the weighed graphene on the aluminum foil, titrate a small amount of high-purity alcohol to fully dissolve the graphene in the alcohol, add Si particles, stir evenly, fold the aluminum ...
Embodiment 3
[0081] This embodiment intends to prepare a graphene composite rare earth metamorphic hypoeutectic Al-Si-Mg casting alloy, its chemical composition is: Si 7.00wt.%, Mg 0.60wt.%, Ce 0.83wt.%, Ti 0.10wt .%, Fe 0.12wt.%, Cu0.10wt.%, Mn 0.03wt.%, Cr 0.03wt.%, Ni 0.03wt.%, Zn 0.20wt.%, Sn 0.10wt.%, Zr0.05wt.% , Be 0.05wt.%, Pb 0.05wt.%, Graphene 0.005wt.%; other unspecified impurity elements: each ≤0.02wt.%, total ≤0.10wt.%, the balance is Al.
[0082] The specific preparation method is as follows:
[0083] (1) Weigh the raw materials of each component according to the ratio of alloy elements: aluminum particles, Si particles, Mg powder, Ce powder, Ti powder, Fe powder, Cu powder, Mn powder, Cr powder, Ni powder, Zn powder, Sn powder , Zr powder, Be powder, Pb powder, graphene;
[0084] (2) Spread the weighed graphene on the aluminum foil, titrate a small amount of high-purity alcohol to fully dissolve the graphene in the alcohol, add Si particles, stir evenly, fold the aluminum ...
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