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Formula and treatment method of abrasion-resisting, anti-friction and life-prolonging nano plating layer of mechanical parts

A technology for mechanical parts and nano-coatings, applied in nano-technology, coatings, electrolytic coatings, etc., can solve the problems of increased internal stress, affecting the mechanical properties of the coating, and brittleness of the coating, achieving low internal stress and excellent mechanical properties of the coating. , The effect of coating crystal fine

Inactive Publication Date: 2018-12-18
苏州润纳斯纳米科技有限公司
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Problems solved by technology

[0006] Problems in this process: because it uses the traditional sulfate main salt system, and the saccharin in the plating solution will cause internal stress to increase and the coating will become brittle, which will affect the mechanical properties, ductility, and uniformity of the coating

Method used

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  • Formula and treatment method of abrasion-resisting, anti-friction and life-prolonging nano plating layer of mechanical parts
  • Formula and treatment method of abrasion-resisting, anti-friction and life-prolonging nano plating layer of mechanical parts
  • Formula and treatment method of abrasion-resisting, anti-friction and life-prolonging nano plating layer of mechanical parts

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[0043] Moreover, adding 0.5-3g / l of cerium sulfate to the electroplating solution can improve the dispersion ability and deep plating ability of the plating solution, improve the current efficiency of electroplating, and increase the hardness and corrosion resistance of the coating. The addition of cerium sulfate also plays a role in stabilizing the plating solution. Through analysis, it is found that the addition of cerium sulfate increases the cathodic polarization of nickel-cobalt-tungsten sulfide alloy electrodeposition, and makes the grains of the obtained coating more fine, uniform and dense. , thereby improving the corrosion resistance of the coating. According to the test of its actual performance, its bending strength, hardness and impact toughness have been greatly improved, and the porosity has been significantly reduced. After adding cerium sulfate to the plating solution, the bonding strength between the plating layer and the substrate is obviously improved. The ...

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Abstract

The invention discloses a formula and treatment method of an abrasion-resisting, anti-friction and life-prolonging nano plating layer of mechanical parts. The formula of an electroplating solution comprises 150-650g / l of ammonia nickel methane sulfonate, 1-50g / l of cobalt chloride, 15-60g / l of boric acid, 2-80g / l of nano tungsten sulfide plating slurry, 0.5-3g / l of cerous sulfate and 0.5-3g / l of 1-2-3-benzotriazole, and the lamellar particle size of the nano tungsten sulfide plating slurry is 40-70 nm. According to the treatment method of the abrasion-resisting, anti-friction and life-prolonging nano plating layer of the mechanical parts, through the electroplating solution with the ammonia nickel methane sulfonate as the main component, the nano tungsten sulfide plating slurry is added toform the electroplating solution, the plating layer has high mechanical properties after electroplating, the ductility, uniformity and corrosion resistance are all greatly improved, the effects of abrasion-resisting, anti-friction and prolonging of the service life are achieved, and good application prospects are achieved.

Description

technical field [0001] The invention relates to the technical field of surface treatment of mechanical parts, in particular to a nano-coating formula and treatment method for wear-resistant, friction-reducing, and life-prolonging mechanical parts. Background technique [0002] With the requirement of building a conservation-oriented society, excessive energy consumption has become a bottleneck restricting my country's economic development. Friction and wear in industrial production is an important cause of high energy consumption; friction leads to the loss of a large amount of mechanical energy, and wear is an important reason for the failure of mechanical parts. According to statistics, 30% of energy in industrialized countries is consumed by friction. For a highly industrialized country, the economic loss caused by friction and wear accounts for almost 1-2% of the annual output value of the national economy. In our country, the amount of material loss caused by wear and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/56C25D5/18C25D15/00B82Y40/00
CPCB82Y40/00C25D3/562C25D5/18C25D15/00
Inventor 周永宁贡太敏廖雄辉董翔罗俊
Owner 苏州润纳斯纳米科技有限公司
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