High-ductility non-heat treatment die-casting aluminum alloy and preparation method thereof

A non-heat-treated, cast aluminum alloy technology, applied in the field of metal alloys, can solve the problems of low mechanical properties, unsatisfactory casting properties, and poor fluidity of Al-Mg alloys

Active Publication Date: 2020-07-07
KA FUNG IND TECH HUIZHOU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a high-ductility non-heat-treated die-casting aluminum alloy and its preparation method. By in

Method used

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  • High-ductility non-heat treatment die-casting aluminum alloy and preparation method thereof
  • High-ductility non-heat treatment die-casting aluminum alloy and preparation method thereof

Examples

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Embodiment 1

[0043] This embodiment discloses a high-ductility non-heat-treated die-casting aluminum alloy, which includes the following components according to mass percentage: 5.0% Mg, 0.2% Mn, 0.1% Ti, 0.02% Sc and 94.1% Al, And the content of Fe is lower than 0.4%, and the content of Si is lower than 0.1%.

[0044]This example also discloses a method for preparing a high-ductility non-heat-treated die-casting aluminum alloy. Commercially available pure Al ingots (purity 99.9%), pure Mg ingots (purity 99.9%), Al-10Mn master alloys and Al-Ti-2Sc master alloy as raw material. The smelting device is equipped with a crucible for the furnace body.

[0045] Concrete preparation method comprises the following steps:

[0046] S1, preparing each raw material according to the mass percentage;

[0047] S2. Pre-treat each raw material and preheat to 200°C to remove moisture;

[0048] S3, putting the prepared pure Al ingot into the crucible, heating and melting;

[0049] S4. Add Al-10Mn master ...

Embodiment 2

[0060] This embodiment discloses a high-ductility non-heat-treated die-casting aluminum alloy, which includes the following components according to mass percentage: 8.6% Mg, 1.0% Mn, 0.3% Ti, 0.05% Sc and 89.5% Al, And the content of Fe is lower than 0.4%, and the content of Si is lower than 0.1%.

[0061] For the preparation method of the high-ductility non-heat-treated die-casting aluminum alloy in this embodiment, refer to Embodiment 1.

Embodiment 3

[0063] This embodiment discloses a high-ductility non-heat-treated die-casting aluminum alloy, which includes the following components according to mass percentage: 3.7% Mg, 2.0% Mn, 0.5% Ti, 0.5% Sc and 92.7% Al, And the content of Fe is lower than 0.4%, and the content of Si is lower than 0.1%.

[0064] For the preparation method of the high-ductility non-heat-treated die-casting aluminum alloy in this embodiment, refer to Embodiment 1.

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Abstract

The invention provides a high-ductility non-heat treatment die-casting aluminum alloy. The high-ductility non-heat treatment die-casting aluminum alloy comprises, by mass: 2-9% of Mg, 0.01-1.0% of Sc,0-1.0% of Si, 0-2.0% of Fe, 0.1-2.0% of Mn, 0-0.5% of Ti and 85.1-97.6% of Al, specifically, Fe and Si are impurity elements; and the aluminum alloy material has both high ductility and excellent mechanical properties. The invention further provides a preparation method of the rare earth aluminum alloy material. The preparation method comprises the steps of batching, component homogenizing, melting, die-casting forming and the like in sequence. The high-ductility non-heat treatment die-casting aluminum alloy and the preparation method of the rare earth aluminum alloy material fill the gaps inthe prior art, are beneficial to realizing large-scale industrial production, and can be used for manufacturing automobile structural parts, supports, automobile body safety parts and the like, and the prepared aluminum alloy product has obvious competitive advantages compared with an existing product.

Description

technical field [0001] The invention belongs to the technical field of metal alloys, in particular to a high-ductility non-heat-treated die-casting aluminum alloy and a preparation method thereof. Background technique [0002] Aluminum alloy is a kind of non-ferrous metal structural material. It has the advantages of low density, high strength, good plasticity, excellent electrical and thermal conductivity, and corrosion resistance. It is widely used in aerospace, automobile manufacturing, 3C products, ships, and chemical industries. With the development trend of lightweight, the demand for aluminum alloy materials is increasing; in the field of automobile manufacturing, the use of aluminum alloy materials for the overall body and accessories is the development direction of automobile lightweight, so the mechanical properties and casting of aluminum alloy materials Performance puts forward higher requirements. [0003] The materials for the production of body structural par...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C1/03C22C1/06
CPCC22C1/026C22C1/03C22C1/06C22C21/08
Inventor 李远发徐涛樊晓泽尹伟陈善荣宋卓能
Owner KA FUNG IND TECH HUIZHOU CO LTD
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