Nouel high-strength wear-resisting and corrosion-resisting aluminium alloy

An aluminum alloy, a new type of technology, used in metal processing equipment, control of molten metal pouring from a casting ladle, portable lifting devices, etc., can solve the problems of complex powder metallurgy processing procedures, inability to eliminate material defects, and coarse grain structure. , to eliminate the insoluble oxide film and internal defects of the material, improve the solid solubility, and refine the grain structure.

Inactive Publication Date: 2006-05-24
KUNMING INST OF PRECIOUS METALS
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Problems solved by technology

[0002] At present, wear-resistant and corrosion-resistant aluminum alloys are all produced by melting casting or powder metallurgy. The materials produced by traditional melting and casting techniques and processes have problems such as coarse grain structure, composition segregation, and unstable performance; an

Method used

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Embodiment Construction

[0016] (1) Al, Si, Fe, Cu, Mg, La, Ce elemental metals with a purity of more than 99.9% are selected as raw materials, and the proportions of Al10.0Si0.8Fe0.6Cu0.05Mg0.1La0.1Ce, Al15.0Si1.0Fe2.0Cu1.0Mg0.5La0.5Ce, Al30.0Si5.0Fe1.0Cu1.0Mg1.0La1.0Ce are prepared, melted and alloyed in vacuum injection forming equipment, and undergo rapid solidification deposition to prepare AlSiFeCuMgLaCe alloy ingot Blank.

[0017] (2) Extrude, forge, turn the alloy ingot obtained in step (1) into forming machinery, and the specific shapes of the parts include: pistons, connecting rods, cylinder liners, valves, gears, impellers, etc., which can be further processed Used in automobile, machinery, metallurgy, electrical and other industries.

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Abstract

The invention relates to a new type strong antifriction anticorrosion aluminum alloy and the method to manufacture that belongs to metal material field. The weight ratio of the constituents is Si 1.0-50%, Fe 0.5-10.0%, Cu 0.1-5.0%, Mg 0.01-5.0%, La 0.01-3.0%, Ce 0.01-3.0% and the rest is Al. The manufacturing method is that: mixing the simple metal substance Al, Si, Fe, Cu, Mg, La, Ce according to the ratio, spraying settling to AlSiFeCuMgLaCe alloy rotundity ingot on the spraying molding device. The alloy rotundity could be processed to molding mechanism components. It could be widely used in motorcar, mechanism, metallurgy, and electric. The combination property is improved.

Description

technical field [0001] The invention relates to the field of metal materials, in particular to a high-silicon AlSi alloy and a preparation method thereof. Background technique [0002] At present, wear-resistant and corrosion-resistant aluminum alloys are all produced by melting casting or powder metallurgy. The materials produced by traditional melting and casting techniques and processes have problems such as coarse grain structure, composition segregation, and unstable performance; and powder metallurgy technology processes There is an insoluble oxide film on the particle boundary, which leads to the inability to eliminate the internal defects of the material and poor material performance. At the same time, the powder metallurgy processing process is complicated and the material yield is low. Therefore, spray forming technology provides an effective way for the development and production of new aluminum alloys. [0003] Metal atomization spray forming technology is a new...

Claims

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Application Information

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IPC IPC(8): C22C21/00B22D37/00C22C1/02F01B31/00F16H55/06
Inventor 谢明霍光杨有才张健康符世继黎玉盛陈力尹长青刘莉
Owner KUNMING INST OF PRECIOUS METALS
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