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.
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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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