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Lightweight aluminum alloy composite material, compressor roller and preparation method of compressor roller

A composite material and aluminum alloy technology, which is applied in the field of aluminum alloy materials and its preparation, can solve problems affecting energy efficiency, noise maintenance, poor corrosion resistance, high specific weight, etc., and achieve improved self-lubricating performance, improved wear resistance, and light weight Effect

Pending Publication Date: 2022-02-15
YULIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Rotary vane compressor is the main technical method of air-conditioning and refrigeration equipment, and its core parts are sliding vanes and rollers. At present, the rollers of rotary vane air-conditioning compressor parts are made of steel materials, which have large specific gravity, high noise, and poor corrosion resistance. Energy efficiency, noise, maintenance

Method used

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  • Lightweight aluminum alloy composite material, compressor roller and preparation method of compressor roller
  • Lightweight aluminum alloy composite material, compressor roller and preparation method of compressor roller
  • Lightweight aluminum alloy composite material, compressor roller and preparation method of compressor roller

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Experimental program
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Effect test

Embodiment 1

[0025] Composition characteristics of aluminum alloy ceramic composite material: aluminum 67.613%, silicon 18.2%, copper 2.275%, magnesium 1.82%, zirconium 0.182%, iron 0.455%, nickel 0.455%, molybdenum disulfide 1%, zirconia 2%, silicon carbide powder 6%. Among them, the base aluminum alloy content is 91%. The ingredient ratio of the base aluminum alloy is: 74.3% of aluminum, 20% of silicon, 2.5% of copper, 2.0% of magnesium, 0.2% of zirconium, 0.5% of iron and 0.5% of nickel.

[0026] Lubricating phase: molybdenum disulfide 1%.

[0027] Ceramic phase: zirconia 2%, silicon carbide powder 6%.

[0028] Roller preparation:

[0029] (1) Proportion of matrix alloy Raw materials are taken from raw materials, melted and atomized by rapid solidification gas atomization to make matrix alloy powder, and the powder is sieved through 100 mesh. Wherein, in the method of rapid solidification gas atomization, the atomizing gas is nitrogen or air, and the temperature of the atomizing mel...

Embodiment 2

[0042] The difference with embodiment 1 is:

[0043] Composition characteristics of aluminum alloy ceramic composite material: aluminum 63.063%, silicon 22.75%, copper 2.3%, magnesium 1.84%, zirconium 0.184%, iron 0.46%, nickel 0.46%, molybdenum disulfide 1%, zirconia 2%, silicon carbide powder 6%. Among them, the base aluminum alloy content is 91%. The ingredient ratio of the base aluminum alloy is: 69.3% of aluminum, 25% of silicon, 2.5% of copper, 2.0% of magnesium, 0.2% of zirconium, 0.5% of iron and 0.5% of nickel.

Embodiment 3

[0045] The difference with embodiment 1 is:

[0046] Composition characteristics of aluminum alloy ceramic composite material: aluminum 63.063%, silicon 22.75%, copper 2.3%, magnesium 1.84%, zirconium 0.184%, iron 0.46%, nickel 0.46%, molybdenum disulfide 1%; silicon carbide 8%. Among them, the base aluminum alloy content is 91%. The ingredient ratio of the base aluminum alloy is: 69.3% of aluminum, 25% of silicon, 2.5% of copper, 2.0% of magnesium, 0.2% of zirconium, 0.5% of iron and 0.5% of nickel.

[0047] Lubricating phase: molybdenum disulfide 1%.

[0048] Ceramic phase: silicon carbide powder 8%.

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Abstract

The invention discloses a lightweight aluminum alloy composite material which comprises 0.5-2% of a lubricating phase, 0.5-15% of a ceramic phase and the balance of a matrix alloy, wherein the matrix comprises the following elements in percentage by mass: 20-30% of silicon, 2-4% of copper, 2-4% of magnesium, 0.1-0.5% of zirconium, 0.1-2% of iron, 0.1-2% of nickel and the balance of aluminum; the lubricating phase is molybdenum disulfide, and the ceramic phase is one or a combination of two of zirconium oxide and silicon carbide powder. The invention further discloses a compressor roller prepared from the lightweight aluminum alloy composite material and a preparation method of the compressor roller. The lightweight aluminum alloy composite material provided by the invention has good wear-resistant and high-strength properties, is light in weight, is used for manufacturing parts, such as rollers, and is small in specific gravity and low in noise, the wear-resistant and corrosion-resistant properties are improved, and the maintenance caused by wear is greatly reduced.

Description

technical field [0001] The invention relates to an aluminum alloy material and its preparation, in particular to a lightweight aluminum alloy composite material, a compressor roller prepared by using the lightweight aluminum alloy composite material and a preparation method thereof. Background technique [0002] Rotary vane compressor is the main technical method of air-conditioning and refrigeration equipment, and its core parts are sliding vanes and rollers. At present, the rollers of rotary vane air-conditioning compressor parts are made of steel materials, which have large specific gravity, high noise, and poor corrosion resistance. Energy efficiency, noise, maintenance. Moreover, with the intensification of market competition, energy saving, noise reduction, self-lubrication, and less maintenance are the key points of competition. Noise and life extension are of great significance, and they are also the direction of iterative upgrading of the market. Contents of the ...

Claims

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Application Information

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IPC IPC(8): C22C21/02C22C32/00C22C1/05C22F1/043B22F5/12B22F3/20B22F3/24B22F1/105F04C29/00F04C18/34
CPCC22C21/02C22C32/0005C22C32/0047C22C32/00C22C32/0089C22C1/05C22F1/043C22F1/002B22F5/106B22F3/20B22F3/24F04C29/00F04C18/34B22F2003/208B22F2003/248B22F2003/247F04C2240/20
Inventor 钟孝贤
Owner YULIN NORMAL UNIVERSITY
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