High-plasticity cast aluminum alloy and pressure casting preparation method thereof
A casting aluminum alloy, high plasticity technology, applied in the field of casting aluminum alloy and its preparation, high plasticity casting aluminum alloy and its pressure casting preparation, can solve the problem of increasing alloy hot cracking and corrosion tendency, reducing casting performance, and limiting alloy application range and other issues, to achieve the effect of improving plasticity, high production efficiency, and fine grain size
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Embodiment 1
[0033] This embodiment relates to a high plasticity casting aluminum alloy and a preparation method thereof by pressure casting.
[0034] In the first aspect, this embodiment provides a high plasticity cast aluminum alloy, the composition (weight content) of the aluminum alloy is: 7.5% Si, 0.5% Mg, 0.2% Mn, 0.1% Ti, 0.05% Y, 0.6% Fe , 20ppm P, 100ppm Sr, other unavoidable impurities are less than 0.2%, and the rest is Al.
[0035]In the second aspect, this embodiment provides a method for preparing the high-plastic cast aluminum alloy by pressure casting, which includes the following steps:
[0036] The first step is to smelt the alloy to obtain an aluminum alloy melt; wherein, the specific steps of the process of smelting the alloy are: (1) Preheat the smelting raw material in an oven to 100° C. The bell jar and other surfaces are cleaned and derusted and coated with paint. The paint is made of 25% talcum powder and 5% water glass with an appropriate amount of water, and the...
Embodiment 2
[0040] This embodiment relates to a high plasticity casting aluminum alloy and a preparation method thereof by pressure casting.
[0041] In the first aspect, this embodiment provides a high-plasticity casting aluminum alloy, the composition (weight content) of the aluminum alloy is: 8.5% Si, 0.6% Mg, 0.3% Mn, 0.2% Ti, 1.5% Gd, 0.7% Fe , 40ppm P, 200ppm Sr, other unavoidable impurities are less than 0.2%, and the rest is Al.
[0042] In the second aspect, this embodiment provides a method for preparing the high-plastic cast aluminum alloy by pressure casting, which includes the following steps:
[0043] The first step is to smelt the alloy to obtain an aluminum alloy melt; wherein, the specific steps of the process of smelting the alloy are: (1) Preheat the smelting raw material in an oven to 200° C. The bell jar and other surfaces are cleaned and derusted and coated with paint. The paint is made of 25% talcum powder and 5% water glass with an appropriate amount of water, and...
Embodiment 3
[0047] This embodiment relates to a high plasticity casting aluminum alloy and a preparation method thereof by pressure casting.
[0048] In the first aspect, the present invention provides a high plasticity casting aluminum alloy, the composition (weight content) of the aluminum alloy is: 9.5% Si, 0.7% Mg, 0.4% Mn, 0.3% Ti, 0.1% Gd, 0.1% Y, 0.02% Nd, 0.8% Fe, 60ppm P, 300ppm Sr, other unavoidable impurities are less than 0.2%, and the rest is Al.
[0049] In the second aspect, this embodiment provides a method for preparing the high-plastic cast aluminum alloy by pressure casting, which includes the following steps:
[0050] The first step is to smelt the alloy to obtain an aluminum alloy melt; wherein, the specific steps of the process of smelting the alloy are: (1) Preheat the smelting raw material in an oven to 200° C. The bell jar and other surfaces are cleaned and derusted and coated with paint. The paint is made of 25% talcum powder and 5% water glass with an appropria...
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