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Dissimilar metal connector anticorrosive lubricating coating for metal composite structures

A metal composite structure, dissimilar metal technology, applied in anti-corrosion coatings, coatings, etc., to maintain long-term lubrication performance, good long-term lubrication performance, and solve the effect of galvanic corrosion

Pending Publication Date: 2020-01-14
沈阳市航达科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, for riveting with high tolerances and closed containers, the usual external lubricant method is not suitable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0031] The anti-corrosion and lubricating coating for heterometallic connectors for metal composite structures is characterized in that the components and parts by weight of each material are: 2000 parts of molybdenum disulfide, 6000 parts of heat-resistant phenolic resin, 4000 parts of ethylene glycol ether acetate, 50 parts of bentonite, 150 parts of polyamide wax liquid-changing additive, and 10 parts of leveling additive.

[0032] The molybdenum disulfide is 1000 mesh powder molybdenum disulfide, the heat-resistant phenolic resin is No. Ⅱ heat-resistant phenolic resin, and the ethylene glycol ether acetate is industrial grade CAC 111-15-9 ethylene glycol ether acetate ester, the bentonite is MP100 organobentonite, the polyamide wax liquid change additive is 229 wax liquid change aid, and the leveling aid is 3270 leveling agent.

specific Embodiment 2

[0034] The anti-corrosion and lubricating coating for heterometallic connectors for metal composite structures is characterized in that the components and parts by weight of each material are: 4000 parts of molybdenum disulfide, 10 parts of strontium chromate, 2000 parts of heat-resistant phenolic resin, ethylene glycol 5000 parts of ether acetate, 100 parts of polytetrafluoroethylene, 30 parts of bentonite, 100 parts of polyamide wax liquid-changing additive, and 30 parts of leveling additive.

[0035] The molybdenum disulfide is 1000 mesh powder molybdenum disulfide, the strontium chromate is industrial pigment grade strontium chromate powder, the fineness is not less than 700 mesh, and the heat-resistant phenolic resin is 284 phenolic resin, The ethylene glycol ether acetate is industrial grade CAC 111-15-9 ethylene glycol ether acetate, the polytetrafluoroethylene is LUB5 polytetrafluoroethylene, the bentonite is MP100 organic bentonite, and the polyamide wax The liquid ch...

specific Embodiment 3

[0037] The anti-corrosion and lubricating coating for heterometallic connectors for metal composite structures is characterized in that the components and parts by weight of each material are: 3000 parts of molybdenum disulfide, 180 parts of strontium chromate, 4000 parts of heat-resistant phenolic resin, ethylene glycol 4000 parts of ether acetate, 200 parts of polytetrafluoroethylene, 40 parts of bentonite, 100 parts of polyamide wax liquid-changing additive, and 20 parts of leveling additive.

[0038] The molybdenum disulfide is 1000 mesh powder molybdenum disulfide, the strontium chromate is an industrial pigment-grade strontium chromate powder with a fineness of 800 mesh, the heat-resistant phenolic resin is 881 phenolic resin, and the B Glycol ether acetate is industrial grade CAC111-15-9 ethylene glycol ether acetate, the polytetrafluoroethylene is LUB5 polytetrafluoroethylene, the bentonite is MP100 organic bentonite, and the polyamide wax liquid variable additive It i...

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Abstract

The invention relates to a dissimilar metal connector anticorrosive lubricating coating for metal composite structures. The coating comprises the following material components in parts by weight: 2000-4000 parts of molybdenum disulfide, 0-180 parts of strontium chromate, 2000-6000 parts of heat-resistant phenolic resin, 4000-5000 parts of ethylene glycol ethyl ether acetate, 0-200 parts of polytetrafluoroethylene, 30-50 parts of bentonite, 100-150 parts of a polyamide wax liquid modifier aid and 10-30 parts of a leveling aid. The dissimilar metal connector anticorrosive lubricating coating forthe metal composite structures, which is provided by the invention, is applicable to anticorrosive treatment on surfaces of dissimilar metal connectors for metal composite structures such as an aluminum alloy and a titanium alloy, and has high temperature resistance, paint remover resistance and self-lubricating properties.

Description

technical field [0001] The invention relates to the technical field of anti-corrosion lubricating coatings, in particular to anti-corrosion lubricating coatings for heterometallic connectors used in metal composite structures. Background technique [0002] Stainless steel, aluminum alloy and titanium alloy fasteners have been widely used in high-end metal structure connectors in the fields of aviation and rail transportation, such as magnetic levitation rail systems, due to their excellent comprehensive properties such as high specific strength, fatigue resistance, and corrosion resistance. Highly alloyed alloy steel composite structure. Anti-galvanic corrosion-resistant stainless steel, anti-corrosion coatings for aluminum alloy and titanium alloy fasteners have special requirements for assembly processes in many fields. The aviation industry uses fasteners and other connecting parts to realize mechanized assembly, and requires that after long-term use, there will be no ag...

Claims

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Application Information

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IPC IPC(8): C09D161/06C09D127/18C09D5/08C09D7/61
CPCC08K2003/3009C08L2205/03C09D5/08C09D161/06C09D7/61C08L77/00C08K3/30C08K3/346C08L27/18C08K3/24
Inventor 殷跃军张亮杨宏强韩长智
Owner 沈阳市航达科技有限责任公司
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