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Aluminum alloy material for triangular valves and preparation method thereof

A technology of aluminum alloy materials and triangular valves, which is applied in the field of metal alloy material manufacturing, can solve problems such as insufficient corrosion resistance, short service life, and high density of brass, and achieve low cost, excellent corrosion resistance, and air tightness. high effect

Active Publication Date: 2014-06-25
ANHUI KING AUTO ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Aluminum alloy has low density, high strength, good plasticity, and is widely used. At present, brass is mainly used for triangular valves. Brass has high density, heavy weight, and high cost; The corrosion resistance of zinc alloy or aluminum alloy is not enough, and it is easy to wear and tear, and the service life is short

Method used

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Embodiment Construction

[0013] An aluminum alloy material for a triangular valve, which contains chemical element components and mass percentages: copper 0.7-0.9, silicon 2.2-22.5, manganese 1.8-2.1, magnesium 4.0-4.2, titanium 0.01-0.03, chromium 0.3-0.5 , molybdenum 0.005-0.008, the balance is aluminum.

[0014] The production method of described triangular valve aluminum alloy material is as follows:

[0015] (1) Prepare pure aluminum ingots and waste aluminum in a ratio of 1:0.5 as the source of aluminum matrix, put pure aluminum ingots into the furnace for melting, remove impurities, deoxidize, use refining agent for one-time refining, and add alloy components for alloying, Then add waste aluminum for melting, add refining agent for secondary refining, test and adjust the content of chemical elements to pass, casting, post-casting heat treatment, etc.;

[0016] (2) The order of batches of alloying elements put into the furnace during the alloying process is: (1) silicon, chromium, molybdenum; (...

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Abstract

The invention relates to an aluminum alloy material for triangular valves, which contains the following chemical components in percentage by mass: 0.7-0.9% of copper, 2.2-22.5% of silicon, 1.8-2.1% of manganese, 4.0-4.2% of magnesium, 0.01-0.03% of titanium, 0.3-0.5% of chromium, 0.005-0.008% of molybdenum and the balance of aluminum. The aluminum alloy has the advantages of light weight, favorable wear resistance, low expansion coefficient, excellent corrosion resistance, favorable plasticity, low quenching sensitivity, long service time and lower cost than brass triangular valves, and is suitable for making triangular valves. Part of scrap iron is used as the raw material, and the raw materials are fed in batches, so that the alloy quality is more stable and uniform, thereby enhancing the comprehensive mechanical properties. When the refining agent is used for casting production, the porosity in the casting can be lowered by 1-2 degrees, the oxide inclusion content is Grade 2 or so, the air tightness of the casting is high, and the yield is high.

Description

technical field [0001] The invention relates to the field of manufacturing metal alloy materials, in particular to an aluminum alloy material for a triangular valve and a preparation method thereof. Background technique [0002] Aluminum alloy has low density, high strength, good plasticity, and is widely used. At present, brass is mainly used for triangular valves. Brass has high density, heavy weight, and high cost; Zinc alloy or aluminum alloy has insufficient corrosion resistance, is easy to wear, and has a short service life. Contents of the invention [0003] The object of the present invention is to provide an aluminum alloy material for triangular valves and a preparation method thereof. The copper alloy material has the advantages of light weight, good wear resistance, low expansion coefficient, excellent corrosion resistance and high strength. [0004] Technical scheme of the present invention is as follows: [0005] An aluminum alloy material for a triangular ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22C21/08C22C1/02C22C1/06C22F1/043C22F1/047
Inventor 王进
Owner ANHUI KING AUTO ELECTRONICS TECH CO LTD
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