A kind of high-strength aluminum alloy for tank wheel hub and preparation method thereof

An aluminum alloy, high-strength technology, applied in the field of aluminum alloy materials, can solve problems such as low mechanical properties, and achieve the effects of light weight, strong heat dissipation, and high production accuracy

Active Publication Date: 2017-11-10
JIANGSU ASIA PACIFIC ANSINDAR ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, A356 aluminum is generally used in casting aluminum alloy wheels, and the production of aluminum alloy wheels is one-time casting without reprocessing, and the internal structure of the metal has not changed, and there is a problem of low mechanical properties.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A high-strength aluminum alloy for tank hubs, consisting of the following elements by weight percentage:

[0029] Si: 0.9%; Fe: 0.005%; Cu: 2.6%; Mn: 0.85%; Mg: 0.85%; Zn: 0.003%; Ti: 0.05%; the balance is Al.

[0030] Its preparation method comprises the following steps:

[0031] (1) First put half of the required amount of aluminum ingots on the bottom of the furnace, then put in the metal copper alloy, then put in the other half of the required amount of aluminum ingots to cover the copper, and start a fire to melt the aluminum ingots; the melting temperature is controlled at 700 °C; melting Time 5 hours; The impurity content of the iron and zinc of described aluminum ingot is controlled in the scope of required consumption;

[0032] (2) Remove slag after the molten aluminum is melted, remove the scum on the surface, heat the temperature of the molten aluminum to 780°C, add the prepared metal silicon alloy and soak for 12 minutes; then stir the molten aluminum for 1...

Embodiment 2

[0045] A high-strength aluminum alloy for tank hubs, consisting of the following elements by weight percentage:

[0046] Si: 1.0%; Fe: 0.1%; Cu: 2.4%; Mn: 0.75%; Mg: 0.75%; Zn: 0.03%; Ti: 0.03%; the balance is Al.

[0047] Its preparation method comprises the following steps:

[0048](1) First put half of the required amount of aluminum ingots on the bottom of the furnace, then put in the metal copper alloy, then put in the other half of the required amount of aluminum ingots to cover the copper, and start a fire to melt the aluminum ingots; the melting temperature is controlled at 730 ° C; melting The time is 4 hours; the impurity content of the iron and zinc of the aluminum ingot is controlled within the scope of the required amount;

[0049] (2) Remove slag after the molten aluminum is melted, remove the scum on the surface, heat the temperature of the molten aluminum to 790°C, add the prepared metal silicon alloy and soak for 11 minutes; then stir the molten aluminum for ...

Embodiment 3

[0062] A high-strength aluminum alloy for tank hubs, consisting of the following elements by weight percentage:

[0063] Si: 1.2%; Fe: 0.1%; Cu: 2.6%; Mn: 0.85%; Mg: 0.85%; Zn: 0.08%; Ti: 0.05%; the balance is Al.

[0064] Its preparation method comprises the following steps:

[0065] (1) First put half of the required amount of aluminum ingots on the bottom of the furnace, then put in the metal copper alloy, then put in the other half of the required amount of aluminum ingots to cover the copper, and start a fire to melt the aluminum ingots; the melting temperature is controlled at 750 °C; melting Time 5 hours; The impurity content of the iron and zinc of described aluminum ingot is controlled in the scope of required consumption;

[0066] (2) Remove slag after the molten aluminum is melted, remove the scum on the surface, heat the temperature of the molten aluminum to 800°C, add the prepared metal silicon alloy and soak for 12 minutes; then stir the molten aluminum for 15 m...

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PUM

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Abstract

Provided is a high-strength aluminum alloy for a tank hub. The high-strength aluminum alloy for the tank hub is composed of, by weight percentage, 0.9-1.2% of Si, 0-0.3% of Fe, 2.2-2.6% of Cu, 0.6-0.85% of Mn, 0.6-0.85% of Mg, 0-0.1% of Zn, 0.01-0.05% of Ti, and the balance Al. The aluminum alloy hub made of the high-strength aluminum alloy has the advantages of low weight, high strength, high manufacturing precision, low inertia resistance, high heat dissipation capacity and good visual effect.

Description

technical field [0001] The invention relates to the technical field of aluminum alloy materials, in particular to a high-strength aluminum alloy used for tank hubs and a preparation method thereof. Background technique [0002] The hub is one of the main parts of the tank. Compared with the traditional steel hub, the high-strength aluminum alloy hub has the characteristics of light weight, high manufacturing precision, high strength, small inertial resistance, strong heat dissipation, and good visual effect. With the development of technology, the application of aluminum alloy wheels is becoming more and more common. Aluminum alloy wheels have four advantages over steel wheels: one is to reduce the non-load weight, thereby improving grip; the other is to improve acceleration and braking; the third is to increase rigidity, and the high hardness of aluminum wheels is significantly reduced. The inclination of the tire or hub when cornering is especially important for cars equi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/18C22C21/16C22C21/14C22F1/057
CPCC22C21/14C22C21/16C22C21/18C22F1/057
Inventor 孙浩明高贵军
Owner JIANGSU ASIA PACIFIC ANSINDAR ALUMINUM
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