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A wear-resistant aluminum alloy profile and its preparation method

A technology for aluminum alloy profiles and aluminum alloys, applied in the field of aluminum alloy materials, can solve problems such as poor wear resistance, and achieve the effects of good wear resistance, simple preparation process, and improved friction performance.

Active Publication Date: 2020-01-21
力同铝业(上海)有限公司
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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 overcome the problem of poor wear resistance of aluminum alloy materials in the prior art, and to provide a wear-resistant aluminum alloy profile and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027]A wear-resistant aluminum alloy profile, comprising an aluminum alloy base material and a wear-resistant coating coated on the surface of the aluminum alloy base material, the wear-resistant coating is composed of 45 parts of epoxy resin and 30 parts of abrasive , 12 parts of filler, 8 parts of curing agent, 8 parts of toughening agent, 8 parts of polyoxyethylene fatty alcohol ether, 2 parts of polydimethylsiloxane, 2 parts of carboxymethyl cellulose and 1 part of benzylidene acetone ; The epoxy resin is mixed with bisphenol A type epoxy resin and bisphenol F type epoxy resin with a weight ratio of 2:1, and the abrasive is modified hexagonal with a weight ratio of 1:2 Boron nitride microchips and silicon carbide capsules are mixed. The modified hexagonal boron nitride microchips are firstly added to the commercially available hexagonal boron nitride microchips in a 3mol / L lithium acetate dihydrate aqueous solution at a ratio of 1g:5ml, and ultrasonically After 1.5h, filt...

Embodiment 2

[0038] A wear-resistant aluminum alloy profile, comprising an aluminum alloy base material and a wear-resistant coating coated on the surface of the aluminum alloy base material, the wear-resistant coating, by weight ratio, consists of 47 parts of epoxy resin and 28 parts of abrasive , 10 parts of filler, 7 parts of curing agent, 6 parts of toughening agent, 6 parts of polyoxyethylene fatty alcohol ether, 1 part of polydimethylsiloxane, 1 part of carboxymethyl cellulose and 0.9 part of benzylidene acetone ; The epoxy resin is mixed with bisphenol A type epoxy resin and bisphenol F type epoxy resin with a weight ratio of 2:1, and the abrasive is modified from a weight ratio of 1:2-4 The modified hexagonal boron nitride microchips are mixed with silicon carbide capsules. First, the commercially available hexagonal boron nitride microchips are added to 4mol / L lithium acetate dihydrate aqueous solution according to the ratio of 1g:6ml. , after ultrasonication for 2 hours, filtered...

Embodiment 3

[0049] A wear-resistant aluminum alloy profile, comprising an aluminum alloy substrate and a wear-resistant coating coated on the surface of the aluminum alloy substrate, the wear-resistant coating, by weight, consists of 50 parts of epoxy resin and 25 parts of abrasive , 9 parts of filler, 5 parts of curing agent, 5 parts of toughening agent, 5 parts of polyoxyethylene fatty alcohol ether, 1 part of polydimethylsiloxane, 1 part of carboxymethyl cellulose and 0.8 part of benzylidene acetone ; The epoxy resin is formed by mixing bisphenol A type epoxy resin and bisphenol F type epoxy resin with a weight ratio of 2:1, and the abrasive is modified hexagonal with a weight ratio of 1:4 Boron nitride microchips and silicon carbide capsules are mixed. The modified hexagonal boron nitride microchips are firstly added to the commercially available hexagonal boron nitride microchips in a 5mol / L lithium acetate dihydrate aqueous solution at a ratio of 1g:8ml, and ultrasonically After 2 h...

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Abstract

The invention discloses a wear-resistant aluminum alloy section and a preparation method thereof. The aluminum alloy material comprises an aluminum alloy substrate and a wear-resistant coating which coats the surface of the aluminum alloy substrate, wherein the wear-resistant coating is prepared from epoxy resin, an abrasive material, filler, a curing agent, a toughening agent, polyoxyethylene alcohol ether, solydimethyl siloxane, carboxymethyl cellulose and benzalacetone in a weight ratio. The preparation method for the wear-resistant aluminum alloy section comprises the following steps: firstly, cleaning and treating the surface of the aluminum alloy substrate; coating the wear-resistant coating, wherein the coating operation comprises the following steps: uniformly coating the surface of the aluminum alloy substrate with the prepared wear-resistant coating; pretreating at the temperature of 80 to 90 DEG C for 10 to 15 minutes; heating to 180 to 200 DEG C; performing thermal treatment for 2 to 3 hours; lastly, naturally cooling to the room temperature to obtain a final product. The wear-resistant aluminum alloy section is simple in process, and has a good friction resisting effect; meanwhile, a formed coating is environment-friendly, and conforms to the environmental protection policy.

Description

technical field [0001] The invention relates to the field of aluminum alloy materials, in particular to a wear-resistant aluminum alloy profile and a preparation method thereof. Background technique [0002] Aluminum alloy is one of the most widely used materials in non-ferrous metals. Aluminum alloy has many excellent properties such as low density, high specific stiffness and specific strength, good plasticity and formability, easy processing, high thermal conductivity and high electrical conductivity. Aerospace, military industry, construction, automobiles, ships and other fields have been successfully applied. In order to reduce weight, reduce energy consumption, improve efficiency and enhance maneuverability, aluminum is used to replace copper or even steel as much as possible. However, aluminum alloys have low hardness, poor wear resistance, and poor corrosion resistance, which limit their applications. At present, the surface treatment of aluminum alloy mainly includ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D7/62C09D7/65C09D7/63C23G5/032C25D11/06C23F1/36
CPCC08K2201/011C08L2205/025C08L2205/035C09D7/62C09D7/63C09D7/65C09D163/00C23F1/36C23G5/032C25D11/06C08L63/00C08L71/02C08L83/04C08L1/286C08L13/00C08K13/06C08K9/06C08K7/00C08K2003/385C08K3/34C08K7/26
Inventor 尚陆程张红涛胡翡翡杜逗逗
Owner 力同铝业(上海)有限公司
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