Aluminum alloy for high-pressure casting

A high-pressure casting and aluminum alloy technology, which is applied in the field of metal materials, can solve problems such as cracks and affect product quality, achieve uniform grain refinement, increase strength and toughness, and improve the performance of high-pressure casting

Inactive Publication Date: 2013-02-13
虞海香
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the conventional aluminum alloys currently used are subjected to high-pressure casting,

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] An aluminum alloy for high pressure casting, its composition includes 4.5% silicon, 0.5% copper, 0.5% magnesium, 0.3% iron, 0.3% zinc, 0.3% manganese, 0.3% nickel by weight percentage , 0.13% strontium, 0.001% titanium, less than 0.003% boron, and the balance is aluminum.

Embodiment 2

[0015] An aluminum alloy for high pressure casting, its composition includes 7.5% silicon, 1.0% copper, 1.0% magnesium, 1.0% iron, 0.5% zinc, 0.5% manganese, 0.5% nickel , 0.15% strontium, 0.003% titanium, less than 0.003% boron, and the balance is aluminum.

Embodiment 3

[0017] An aluminum alloy for high pressure casting, its composition includes 5.0% silicon, 0.5% copper, 0.8% magnesium, 0.3% iron, 0.3% zinc, 0.3% manganese, 0.3% nickel by weight percentage , 0.13% strontium, 0.001% titanium, less than 0.003% boron, and the balance is aluminum.

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PUM

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Abstract

The invention relates to aluminum alloy for high-pressure casting. The aluminum alloy for high-pressure casting comprises, by weight percentage, 4.5-7.5 % of silicon, 0.5-1.0 % of copper, 0.5-1.0 % of magnesium, 0.3-1.0 % of iron, 0.3-0.5 % of zinc, 0.3-0.5 % of manganese, 0.3-0.5 % of nickel, 0.13-0.15 % of strontium, 0.01-0.003 % of titanium, less than 0.003 % of boron, and lead as the rest. The aluminum alloy for high-pressure casting effectively improves the strength and tenacity of aluminum alloy, grains in the aluminum alloy microstructure are refined evenly, and the high-pressure casting performance of the aluminum alloy is effectively improved.

Description

technical field [0001] The invention belongs to the field of metal materials, in particular to an aluminum alloy for high pressure casting. Background technique [0002] Because of the high ductility and plasticity of aluminum alloy, low density and good corrosion resistance, it can be made into various profiles, plates or other components with complex shapes, and has been widely used in many fields. [0003] Through analysis, it is found that the aluminum alloy formed by adding certain elements to aluminum can not only maintain the advantages of pure aluminum, but also have the characteristics of other elements, and the added elements will improve the performance of aluminum. Therefore, certain elements will be purposefully added to achieve the intended purpose. For example, adding some trace elements or rare earth elements can increase the strength of aluminum alloy while ensuring light weight, and even the strength of some aluminum alloys can reach or exceed the strength...

Claims

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Application Information

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IPC IPC(8): C22C21/02
Inventor 虞海香
Owner 虞海香
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