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Alloy material for mower and preparation method thereof

An alloy material and a lawn mower technology are applied in the field of aluminum alloy materials for lawn mowers and their preparation, which can solve the problems of grain recrystallization and large compressive stress changes, and achieve the effects of high corrosion resistance and high strength.

Inactive Publication Date: 2014-02-12
虞伟财
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the application of this type of material, especially in the process of casting or extrusion, the internal structure of the aluminum alloy will cause crystallization during the quenching process after forming due to a series of reasons such as large changes in compressive stress and large temperature rise. grain recrystallization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An alloy material for a lawnmower, its composition is by weight percentage, 0.3% manganese, 1% iron, 0.5% magnesium, 6.5% zinc, 0.1% copper, 0.2% nickel, 0.01% titanium , 0.03% zirconium, 0.001% yttrium, and the balance aluminum.

[0018] The manganese, titanium, zirconium, iron and yttrium are added to the aluminum alloy in the form of manganese aluminum, titanium aluminum, zirconium aluminum, iron aluminum and yttrium aluminum alloy respectively.

Embodiment 2

[0020] An alloy material for a lawnmower, its composition is by weight percentage: 0.5% manganese, 1.2% iron, 0.8% magnesium, 7.0% zinc, 0.15% copper, 0.5% nickel, 0.03% titanium , 0.05% zirconium, 0.003% yttrium, and the balance aluminum.

[0021] The manganese, titanium, zirconium, iron and yttrium are added to the aluminum alloy in the form of manganese aluminum, titanium aluminum, zirconium aluminum, iron aluminum and yttrium aluminum alloy respectively.

Embodiment 3

[0023] An alloy material for a lawnmower, its composition is by weight percentage, 0.4% manganese, 1.1% iron, 0.6% magnesium, 6.5% zinc, 0.13% copper, 0.3% nickel, 0.02% titanium , 0.04% zirconium, 0.002% yttrium, and the balance aluminum.

[0024] The manganese, titanium, zirconium, iron and yttrium are added to the aluminum alloy in the form of manganese aluminum, titanium aluminum, zirconium aluminum, iron aluminum and yttrium aluminum alloy respectively.

[0025] Its preparation method is:

[0026] The composition of the aluminum alloy includes, by weight percentage, 0.3-0.5% manganese, 1-1.2% iron, 0.5-0.8% magnesium, 6.5-7.0% zinc, 0.1-0.15% copper, 0.2-0.5% Nickel, 0.01-0.03% titanium, 0.03-0.05% zirconium, 0.001-0.003% yttrium and the rest aluminum, prepare materials;

[0027] Among them, aluminum, zinc and magnesium are selected from high-purity aluminum ingots, zinc ingots and magnesium ingots;

[0028] The calculated aluminum, zinc, magnesium, nickel, manganese-a...

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Abstract

The invention relates to an alloy material for a mower and a preparation method thereof. The alloy material comprises the following components in percentage by weight: 0.3-0.5% of manganese, 1-1.2% of iron, 0.5-0.8% of magnesium, 6.5-7.0% of zinc, 0.1-0.15% of copper, 0.2-0.5% of nickel, 0.01-0.03% of titanium, 0.03-0.05% of zirconium, 0.001-0.003% of yttrium and the balance of aluminum. The aluminum alloy pipe material has the advantages of high strength, high ductility and higher corrosion resistance; and the cost is much lower than that of the copper pipe, but the properties are similar to those of the copper pipe and much superior to those of the iron pipe.

Description

technical field [0001] The invention belongs to the field of metal materials, in particular to an aluminum alloy material for a lawn mower and a preparation method thereof. Background technique [0002] At this stage, aluminum alloy profiles are widely used for their light weight, high ductility, and even high strength. However, in the application of this type of material, especially in the process of casting or extrusion, the internal structure of the aluminum alloy will cause crystallization during the quenching process after forming due to a series of reasons such as large changes in compressive stress and large temperature rise. grain recrystallization. The grains in the tissue body grow excessively, forming coarse grains. This type of grain has a great influence on the mechanical properties, fatigue resistance, corrosion resistance and later processing of aluminum alloy materials. Contents of the invention [0003] The purpose of the present invention is to provide...

Claims

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Application Information

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IPC IPC(8): C22C21/10
Inventor 虞伟财
Owner 虞伟财
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