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Nano graphene reflective heat insulation composite multifunctional ceramic coating and preparation method thereof

A nano-graphene and multi-component compounding technology, applied in the direction of surface reaction electrolytic coating, coating, electrolytic coating, etc., can solve problems such as large friction coefficient, fuel consumption, carbon deposits in pistons, etc., and achieve outstanding wear resistance and corrosion resistance, improve Working conditions, the effect of improving thermal efficiency

Active Publication Date: 2019-03-01
四川鸿森达铝业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] The purpose of the present invention is to overcome the problems of poor surface performance of internal combustion engine combustion chamber components at home and abroad and backward piston surface enhancement technology in the prior art, especially the source of fuel consumption and emission "combustion chamber surface" has no reflection heat insulation and anti-accumulation Carbon self-catalysis function and high temperature erosion resistance characteristics lead to the continuous generation of carbon deposits in the piston (ring) during use, long-term problems such as short life, large friction coefficient, and difficulty in fuel saving and emission reduction

Method used

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  • Nano graphene reflective heat insulation composite multifunctional ceramic coating and preparation method thereof
  • Nano graphene reflective heat insulation composite multifunctional ceramic coating and preparation method thereof
  • Nano graphene reflective heat insulation composite multifunctional ceramic coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0097] Install the ZTBZA45YC aluminum-based wear-resistant alloy precision worm gear on the frame, and use the non-polluting "super automatic emulsifier" to clean the surface that needs "locally enhanced surface characteristics". Unconditionally, you can use other cleaning agents to clean the alloy surface and clean it That is, it does not affect the realization of subsequent invention solutions.

[0098] Put it into the multi-component composite oxidation solution, the oxidation solution only needs to submerge the tooth surface. The multi-element composite oxidation solution contains:

[0099] Nano graphene 0.8g / L, zirconium dioxide 0.6g / L, lanthanum trioxide 0.7g / L, sodium silicate 11.5g / L, potassium hydroxide 1.4g / L.

[0100] , adjust pH=12~13 with NOH. But not limited to these types. Various combinations can also be made according to needs.

[0101] The power of the equipment is 150KW, and the surface area treated by the power limit is 35dm 2 / time, adjust the positi...

Embodiment 2

[0107] Clean the ZTBZA45Yc aluminum-based wear-resistant alloy bearing bush. Dry at 100°C for 20 minutes,

[0108] Put the frame into the multi-component composite nano-oxidizing solution, and the oxidizing solution submerges the "locally enhanced surface characteristics" part of the aluminum-based alloy bearing bush. The multi-component composite nano-oxidizing solution contains:

[0109] Nano graphene 0.8g / L, zirconium dioxide 0.6g / L, sodium silicate 11.5 / L, potassium hydroxide 1.2g / L. EDTA disodium salt 1.3g / L, adjust pH=12~13 with NOH. But not limited to these types. Various combinations can also be made according to requirements.

[0110] The power of the equipment is 150Kw, and the power limit surface area is 35dm 2 / time, adjust the positive pulse width and negative pulse width to 0.5~2 interval compound changes, adjust the pulse frequency to 37.5~75 interval compound changes, adjust the positive voltage to 180~380V interval compound changes, adjust the negative vo...

Embodiment 3

[0114] Use an emulsifier to wipe off the surface oil stains on the top of the aluminum alloy piston, the first ring groove and the ring bank of the diesel engine, and put them into the multi-component composite oxidation solution. The oxidation solution submerges the piston and oxidizes the surface. The multi-component composite oxidation solution contains: nano-graphene 0.8g / L, zirconium dioxide 0.6g / L, lanthanum trioxide 0.6g / L, sodium silicate 10.5g / L, potassium hydroxide 1.2g / L, EDTA disodium salt 1.0g / L, adjust pH with NOH =11~13.

[0115] The equipment power is 100KW, and the power limit surface treatment area is 25dm 2 / time, adjust the positive pulse width and negative pulse width to 0.5~2 interval compound changes, adjust the pulse frequency to 37.5~75Hz interval compound changes, adjust the positive voltage to 180~380V interval compound changes, adjust the negative voltage to 10~30V interval , the current density is controlled at 4~6A / dm 2 interval, oxidize for 20...

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Abstract

The invention discloses a reinforced alloy material; and a surface layer of the alloy material contains such elements as aluminum oxide, silicon dioxide and nanometer graphene. The alloy material is deeply extended on the basis of anodic oxidation, microarc oxidation and multi-component composite oxidation, and is a result under a complex effect of instant high temperature, multi-component composite oxidation liquid and nanometer penetrant through applying positive and negative high voltage, high current and positive and negative pulses by using unique structures, physical and chemical characteristics as ultrahigh hardness and high-temperature resistance, small size effects and surface and interface effects of such nanometer materials as nanometer graphene and nanometer silicon dioxide. The method comprises the steps of: (1) surface cleaning; (2) oxidation; and (3) penetration. The light alloy material after surface reinforcement by the method, in particular a combustion chamber of an internal combustion engine with fuel combustion consumption and generating a pollution source is prominent in reflection thermal insulation anti-carbon self catalysis function, and is higher in high-temperature erosion resistance and wear resistance.

Description

technical field [0001] The present invention relates to surface strengthening treatment of light alloy materials, in particular to a light alloy surface reflective heat insulation, high hardness, high wear resistance, high temperature resistant composite multifunctional nano-graphene ceramic coating, that is, various metal coatings with a thickness of 0.2mm or more , Non-metal surface enhancement, especially the enhancement treatment of aluminum alloy surface. Furthermore, it involves a composite multifunctional nano-graphene ceramic coating with high hardness and high temperature resistance, which involves fuel consumption, internal combustion engine combustion chamber surface reflection heat insulation, anti-carbon deposition autocatalysis, high hardness and high temperature resistance. The present invention also relates to a preparation method of the composite coating layer. Background technique [0002] The combustion chamber of an internal combustion engine is composed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D11/06C25D11/24C25D11/30C25D15/00
CPCC25D11/024C25D11/06C25D11/246C25D11/30C25D15/00
Inventor 邓才松张永生许红英陈蓉
Owner 四川鸿森达铝业科技有限公司
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