Process method capable of improving refinement and modification effects of A356 aluminum alloy
A process method and technology of aluminum alloy, applied in the field of aluminum alloy melting and casting, can solve the problems of high surface energy, reduced surface energy, poor refining and metamorphic effect, etc.
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Examples
Embodiment 1
[0020]Al-10Sr master alloy is used as modifier: Sr 10.00%, Ti ≤ 0.02%, Si ≤ 0.12%, Fe ≤ 0.06%, the content of other impurity elements is not more than 0.05%, the balance is Al, and the modified object is A356 Aluminum alloy, of which Si 7.00%, Mg 0.30%, Cu≤0.20%, Mn≤0.10%, Zn≤0.10%, Fe≤0.20%, Ti≤0.20%, and the content of other impurity elements is not more than 0.05% each, and the rest are Al, the composition is calculated by mass percentage, and the amount of modifier used is 0.10% of the mass of A356 aluminum alloy.
[0021] The melting process is : First pretreatment, cutting the Al-10Sr master alloy ingot into moderately sized blocks, then grinding and polishing to remove the scale on the surface, cleaning, drying and weighing in an ultrasonic oscillator with acetone, smelting assistance The tool is painted with ZnO paint, the thickness of the coating is 1.0mm-1.5mm, and it is dried in a box-type resistance furnace at a temperature of 200°C-300°C for standby; secondly, t...
Embodiment 2
[0024] Al-10Sr master alloy is used as modifier: Sr 10.00%, Ti ≤ 0.02%, Si ≤ 0.12%, Fe ≤ 0.06%, the content of other impurity elements is not more than 0.05%, the balance is Al, and the modified object is A356 Aluminum alloy, of which Si 7.00%, Mg 0.30%, Cu≤0.20%, Mn≤0.10%, Zn≤0.10%, Fe≤0.20%, Ti≤0.20%, and the content of other impurity elements is not more than 0.05% each, and the rest are Al, the composition is calculated by mass percentage, and the amount of modifier used is 0.30% of the mass of A356 aluminum alloy.
[0025] The melting process is : First pretreatment, cutting the Al-10Sr master alloy ingot into moderately sized blocks, then grinding and polishing to remove the scale on the surface, cleaning, drying and weighing in an ultrasonic oscillator with acetone, smelting assistance The tool is painted with ZnO paint, the thickness of the coating is 1.0mm-1.5mm, and it is dried in a box-type resistance furnace at a temperature of 200°C-300°C for standby; secondly, ...
Embodiment 3
[0028] Al-10Sr master alloy is used as modifier: Sr 10.00%, Ti ≤ 0.02%, Si ≤ 0.12%, Fe ≤ 0.06%, the content of other impurity elements is not more than 0.05%, the balance is Al, and the modified object is A356 Aluminum alloy, of which Si 7.00%, Mg 0.30%, Cu≤0.20%, Mn≤0.10%, Zn≤0.10%, Fe≤0.20%, Ti≤0.20%, and the content of other impurity elements is not more than 0.05% each, and the rest are Al, the composition is calculated by mass percentage, and the amount of modifier used is 0.50% of the mass of A356 aluminum alloy.
[0029] The melting process is : First pretreatment, cutting the Al-10Sr master alloy ingot into moderately sized blocks, then grinding and polishing to remove the scale on the surface, cleaning, drying and weighing in an ultrasonic oscillator with acetone, smelting assistance The tool is painted with ZnO paint, the thickness of the coating is 1.0mm-1.5mm, and it is dried in a box-type resistance furnace at a temperature of 200°C-300°C for standby; secondly, ...
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Abstract
Description
Claims
Application Information
- IPC
- C22C1/03; C22C1/06; C22C21/04
- Inventors
- 王正军; 司乃潮