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Wear-resistant aluminum alloy manufacturing process

A production process and aluminum alloy technology, which is applied in metal processing equipment, transportation and packaging, etc., can solve the problems of improving the mechanical strength and wear resistance of aluminum alloys, and achieve improved corrosion resistance, good grain refinement, and improved The effect of mechanical properties

Inactive Publication Date: 2021-05-28
巩春艳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a wear-resistant aluminum alloy production process, which solves the problem of how to further improve the mechanical strength and wear resistance of aluminum alloy in the prior art

Method used

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  • Wear-resistant aluminum alloy manufacturing process
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  • Wear-resistant aluminum alloy manufacturing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A wear-resistant aluminum alloy production process, specifically comprising the following steps:

[0041] Step S1: Add silicon nitride and aluminum alloy powder into the planetary ball mill, control the ball-to-material ratio to 3:1, and mix the silicon nitride and aluminum alloy powder fully under the condition of rotating speed of 200r / min and ball milling time for 2h , to obtain mixed powder;

[0042] Step S2: adding the uniformly mixed mixed powder into the concave mold of the forming mold, and pressing and molding under the condition of a pressure of 590 MPa to obtain an aluminum alloy blank;

[0043] Step S3: See Figure 1-6 As shown, open the box door body 301 of the vacuum sintering equipment, place the aluminum alloy body evenly on the cross bar 2053 of the supporting plate assembly 205, then push the supporting plate assembly 205 into the sintering box assembly 2, and then close the box door body 301, rotate the L-shaped bracket 401 around the sintering box ...

Embodiment 2

[0053] A wear-resistant aluminum alloy production process, specifically comprising the following steps:

[0054] Step S1: Add silicon nitride and aluminum alloy powder into the planetary ball mill, control the ball-to-material ratio to 3:1, and under the condition of rotating speed of 300r / min, ball milling time is 2.5h, fully mix the silicon nitride and aluminum alloy powder Mix to obtain mixed powder;

[0055] Step S2: adding the uniformly mixed mixed powder into the concave mold of the forming mold, and pressing and molding under the condition of a pressure of 600 MPa to obtain an aluminum alloy blank;

[0056] Step S3: See Figure 1-6 As shown, open the box door body 301 of the vacuum sintering equipment, place the aluminum alloy body evenly on the cross bar 2053 of the supporting plate assembly 205, then push the supporting plate assembly 205 into the sintering box assembly 2, and then close the box door body 301, rotate the L-shaped bracket 401 around the sintering box...

Embodiment 3

[0066] A wear-resistant aluminum alloy production process, specifically comprising the following steps:

[0067] Step S1: Add silicon nitride and aluminum alloy powder into the planetary ball mill, control the ball-to-material ratio to 3:1, and mix the silicon nitride and aluminum alloy powder fully under the condition of rotating speed of 400r / min and ball milling time for 3h , to obtain mixed powder;

[0068] Step S2: adding the uniformly mixed mixed powder into the concave mold of the forming mold, and pressing and molding under the condition of a pressure of 620 MPa to obtain an aluminum alloy blank;

[0069] Step S3: See Figure 1-6 As shown, open the box door body 301 of the vacuum sintering equipment, place the aluminum alloy body evenly on the cross bar 2053 of the supporting plate assembly 205, then push the supporting plate assembly 205 into the sintering box assembly 2, and then close the box door body 301, rotate the L-shaped bracket 401 around the sintering box ...

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Abstract

The invention discloses a wear-resistant aluminum alloy manufacturing process which comprises the following steps: S1, carrying out ball-milling mixing on silicon nitride and aluminum alloy powder to obtain mixed powder; S2, pressing the aluminum alloy powder into an aluminum alloy blank; and S3, sintering the aluminum alloy blank through vacuum sintering equipment to obtain the wear-resistant aluminum alloy material. The vacuum sintering equipment comprises a base assembly, a sintering box assembly, a box door assembly, a plurality of locking mechanisms and a vacuum pump, the sintering box assembly is located on one side of the upper portion of the base assembly, the vacuum pump is located on the other side of the upper portion of the base assembly, and the box door assembly is installed on the side, away from the vacuum pump, of the sintering box assembly. The locking mechanisms are located between the sintering box assembly and the box door assembly, and the multiple locking mechanisms are installed on the periphery of the sintering box assembly. The invention belongs to the technical field of aluminum alloy preparation, and solves the problem of how to further improve the mechanical strength and wear resistance of aluminum alloy in the prior art.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy preparation, and in particular relates to a wear-resistant aluminum alloy manufacturing process. Background technique [0002] The density of pure aluminum is small, about 1 / 3 of that of iron, and its melting point is low at 660°C. Aluminum has a face-centered cubic structure, so it has high plasticity and is easy to process. It can be made into various profiles and plates, but pure aluminum The strength of aluminum is very low, so it is not suitable for structural materials. Through long-term production practice and scientific experiments, people gradually add alloying elements and use heat treatment methods to strengthen aluminum, which gives aluminum alloy. Aluminum alloy has the advantages of low melting point, good pouring performance, no pollution, easy processing, and low price, and has been widely used in machinery manufacturing, metallurgy, construction, toys and other industries. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/05C22C1/10B22F9/04B22F3/02B22F3/10B22F1/00B22F9/08C22C32/00C22C21/10
CPCC22C1/05B22F9/04B22F3/02B22F3/1007B22F3/1017B22F9/082C22C21/10C22C32/0068B22F2009/043B22F2009/0848B22F2009/0876B22F1/065
Inventor 巩春艳
Owner 巩春艳
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