Aluminum alloy and preparation method and application thereof

A technology of aluminum alloy and total amount, which is applied in the field of aluminum alloy and its preparation, can solve the problems of not meeting the heat dissipation requirements of electronic products and low thermal conductivity, and achieve the effects of good comprehensive mechanical properties, high elongation, and good casting performance
CN105296818AInactive Publication Date: 2016-02-03BYD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
BYD CO LTD
Publication Date
2016-02-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an aluminum alloy and a preparation method and application thereof. The aluminum alloy comprises the following components in percentage by weight: 4-9% of silicon, 0.5-1.5% of copper, 0.3-1% of iron, 0-0.1% of rare earth elements, 0-0.3% of titanium, 0-0.5% of magnesium, 0-0.05% of boron, 0-0.1% of manganese, 0-0.1% of zirconium, 0-0.1% of chromium, 0-10% of zinc, 0-0.05% of strontium, 0-0.1% of lithium, 0-0.005% of vanadium, and 77.095-95.2% of aluminum. The aluminum alloy, provided by the invention, is excellent in comprehensive mechanical performance, higher in strength and hardness and higher in ductility, and can be machined to structural elements having various shapes and thicknesses. Above all, the aluminum alloy, provided by the invention, is excellent in heat conductivity. The aluminum alloy, provided by the invention, is suitable for serving as a structural material having higher requirements on the heat conducting performance, and in particular, is suitable for serving as a structural part of an electronic product.
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Description

technical field

[0001] The invention relates to an aluminum alloy and its preparation method and application. Background technique

[0002] Aluminum alloy has good processing performance, especially hypoeutectic aluminum-silicon alloy. High-quality cast aluminum alloys can be used to make parts with complex shapes and are widely used in many fields. With the development of electronic products in the direction of thinner and more multifunctional, the requirements for heat dissipation performance are getting higher and higher. Therefore, cast aluminum alloys with high thermal conductivity have important application prospects.

[0003] Electronic products usually require complex and precise structural parts, so die-casting alloys have become commonly used structural parts. However, the most commonly used die-casting aluminum alloy is ADC12, which has good casting performance, mechanical strength and corrosion resistance, so it is widely used. However, the thermal conductivit...

Claims

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