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High-melting-point heat-resisting wrought aluminum alloy and preparation method thereof

A heat-resistant deformation, aluminum alloy technology, applied in the field of alloy manufacturing, can solve problems such as high-altitude curtain wall glass falling off, potential safety hazards, aluminum alloy door and window glass cracking, etc.

Active Publication Date: 2020-08-25
同曦集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the prior art, when some aluminum alloy doors and windows and curtain wall structures are exposed to the sun in summer, the surface temperature may reach above 70°C. After prolonged exposure to wind and sun, the deformation stress of the aluminum structure will increase, and a small number of aluminum alloy doors and windows will crack; The high-altitude curtain wall glass has fallen off, which brings hidden dangers to safety

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  • High-melting-point heat-resisting wrought aluminum alloy and preparation method thereof
  • High-melting-point heat-resisting wrought aluminum alloy and preparation method thereof

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Embodiment 1

[0065] This embodiment provides a heat-resistant deformation aluminum alloy with a high melting point. According to the mass percentage, the constituent elements of the alloy include: Si.0.55%, Mg.0.85%, Mn.4.50%, Cu.0.50%, Ti.0.015 %; the balance is Al, impurity elements Zn≤0.02%, Cr≤0.001%, Zr≤0.002%, Fe≤0.15%, other unavoidable individual impurity elements content≤0.05%.

[0066] The preparation method of the high melting point heat-resistant deformation aluminum alloy provided in this embodiment comprises the following steps:

[0067] (1) After melting the aluminum ingot with a purity of 99.7% at 730°C, add crystalline silicon with a purity of 99.9%, magnesium ingot with a purity of 99.8%, and electrolytic copper with a purity of 99.9%, and electromagnetically stir the aluminum alloy solution for 20 minutes, and then pour it into the Inject anhydrous manganese chloride with a purity of 99% in the aluminum alloy liquid for 5 minutes, and react for 5 minutes under stirring. ...

Embodiment 2

[0073]The embodiment provides a high melting point heat-resistant deformation aluminum alloy. According to the mass percentage, the constituent elements of the alloy include: Si 0.60%, Mg 0.95%, Mn 5.50%, Cu 0.60%, Ti 0.018%; the balance is Al , impurity elements Zn≤0.02%, Cr≤0.005%, Zr≤0.005%, Fe≤0.15%, other unavoidable individual content of impurity elements≤0.05%.

[0074] The preparation method of the high melting point heat-resistant deformation aluminum alloy provided in this embodiment comprises the following steps:

[0075] (1) After melting the aluminum ingot with a purity of 99.7% at 735°C, add crystalline silicon with a purity of 99.9%, magnesium ingot with a purity of 99.8%, and electrolytic copper with a purity of 99.9%, and electromagnetically stir the aluminum alloy liquid for 20 minutes, and then pour it into the Inject anhydrous manganese chloride with a purity of 99% in the aluminum alloy liquid for 10 minutes, and react for 10 minutes under stirring. After ...

Embodiment 3

[0081] The embodiment provides a high melting point heat-resistant deformation aluminum alloy. According to the mass percentage, the constituent elements of the alloy include: Si 0.65%, Mg 1.00%, Mn 6.50%, Cu 0.65%, Ti 0.020%; the balance is Al , impurity elements Zn≤0.02%, Cr≤0.005%, Zr≤0.005%, Fe≤0.15%, other unavoidable individual content of impurity elements≤0.05%.

[0082] The preparation method of the high melting point heat-resistant deformation aluminum alloy provided in this embodiment comprises the following steps:

[0083] (1) After melting an aluminum ingot with a purity of 99.7% at 740°C, add crystalline silicon with a purity of 99.9%, magnesium ingots with a purity of 99.8%, and electrolytic copper with a purity of 99.9%, and electromagnetically stir the aluminum alloy liquid for 20 minutes, and then pour it into the Inject anhydrous manganese chloride with a purity of 99% in the aluminum alloy liquid for 8 minutes, and react with stirring for 8 minutes. After th...

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Abstract

The invention provides a high-melting-point heat-resisting wrought aluminum alloy and a preparation method thereof. Composition elements of the aluminum alloy comprise, by mass percentage, 0.45%-0.75%of Si, 0.80%-1.20% of Mg, 3.50%-10.50% of Mn, 0.40%-0.80% of Cu, 0.01%-0.05% of Ti and the balance aluminum and impurity elements. The aluminum alloy is high in melting point and excellent in heat resisting performance, the high-temperature size stability performance is excellent, meanwhile, the anode oxidization performance is good, and the vision effect of exquisite appearance can be obtained.

Description

technical field [0001] The invention belongs to the field of alloy manufacturing, and relates to an aluminum alloy and a preparation method thereof, in particular to a heat-resistant deformation aluminum alloy with a high melting point and a preparation method thereof. Background technique [0002] In the prior art, when some aluminum alloy doors and windows and curtain wall structures are exposed to the sun in summer, the surface temperature may reach above 70°C. After prolonged exposure to wind and sun, the deformation stress of the aluminum structure will increase, and a small number of aluminum alloy doors and windows will crack; The high-altitude curtain wall glass has fallen off, which brings hidden dangers to safety. The second is the aluminum alloy doors and windows. When they are exposed to fire, due to their poor heat resistance and severe deformation in a short period of time, it is difficult for indoor personnel to open and escape; , Improving the high-temperatu...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22F1/04C22C1/03C22C1/06
CPCC22C21/00C22F1/04C22C1/026C22C1/03C22C1/06
Inventor 陶卫建陈广川薛烽
Owner 同曦集团有限公司
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