A kind of aluminum alloy material for automobile wheel hub
A technology for aluminum alloy material and automobile wheel hub, which is applied in the field of aluminum alloy material and aluminum alloy material for automobile wheel hub, can solve the problems of low strength, low melting point, and unsuitable structural material of pure aluminum, so as to improve comprehensive performance, strength and toughness. degree, the effect of reducing density
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Embodiment 1
[0011] The present invention is an aluminum alloy material for automobile hub, which comprises the following components and the mass ratio of each component is: Si: 12%, Mg: 14.4%, Cu: 1%, Fe: 0.2%, Zn: 0.3%, Mn : 0.1%, Nb: 0.3%, Ni: 0.1%, Li: 1%, Re: 0.1%, Cr: 0.1%, Sr: 0.5%, Sn: 0.3%, misch: 1%, the balance is Al, The mixed rare earth is composed of Ce, Pr, La, Eu and Nd, wherein Ce: 30 parts, Pr: 20 parts, La: 35 parts, Eu: 15 parts, Nd: 10 parts, the ratio of Mg to Si 1.2:1, the Mg formed by the combination of Mg and Si in the alloy 2 The precipitated phase of Si is β"phase.
Embodiment 2
[0013] The present invention is an aluminum alloy material for automobile hub, which comprises the following components and the mass ratio of each component is: Si: 13%, Mg: 17%, Cu: 1.2%, Fe: 0.5%, Zn: 0.6%, Mn : 0.2%, Nb: 0.4%, Ni: 0.2%, Li: 1.4%, Re: 0.5%, Cr: 0.2%, Sr: 0.7%, Sn: 0.4%, mixed rare earth: 1.5%, the balance is Al, The mixed rare earth is composed of Ce, Pr, La, Eu and Nd, wherein Ce: 35 parts, Pr: 25 parts, La: 40 parts, Eu: 18 parts, Nd: 12 parts, the ratio of Mg to Si 1.3:1, the Mg formed by the combination of Mg and Si in the alloy 2 The precipitated phase of Si is β"phase.
Embodiment 3
[0015] The present invention is an aluminum alloy material for automobile hub, which comprises the following components and the mass ratio of each component is: Si: 15%, Mg: 22.5%, Cu: 1.5%, Fe: 1.3%, Zn: 0.9%, Mn : 0.4%, Nb: 0.6%, Ni: 0.3%, Li: 1.8%, Re: 1.5%, Cr: 0.3%, Sr: 1%, Sn: 0.5%, misch: 2%, the balance is Al, The mixed rare earth is composed of Ce, Pr, La, Eu and Nd, wherein Ce: 40 parts, Pr: 30 parts, La: 45 parts, Eu: 20 parts, Nd: 15 parts, the ratio of Mg to Si 1.5:1, the Mg formed by the combination of Mg and Si in the alloy 2 The precipitated phase of Si is β"phase.
[0016] The invention uses aluminum as the main material of the alloy to reduce the density of the material and realize the lightweight of the automobile wheel hub. The strontium element added in the aluminum alloy can effectively improve the strength and toughness of the aluminum alloy, and the addition of strontium in the aluminum alloy ingot The titanium and boron elements in the die-casting pr...
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