Ni-P electroless plating solution and preparation method for Ni-P nano cubic boron nitride composite coating

An electroless plating solution and nano-cube technology, applied in liquid electroless plating, coating, metal material coating process, etc., can solve the problems of poor stability of Ni-P electroless plating solution, rough surface of composite coating, complicated preparation process, etc. , to achieve the effect of reducing coating defects, high resistance to oxidation and deterioration, and reducing surface activity

Active Publication Date: 2015-12-09
FUNIK ULTRAHARD MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of this invention is to provide a kind of Ni-P electroless plating solution, thereby solve the technical problem of poor stability of conventional Ni-P chemical plating solution
[0006] Another object of the present invention is to

Method used

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  • Ni-P electroless plating solution and preparation method for Ni-P nano cubic boron nitride composite coating
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  • Ni-P electroless plating solution and preparation method for Ni-P nano cubic boron nitride composite coating

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Embodiment 1

[0026] 1.Ni-P electroless plating solution

[0027] The Ni-P electroless plating solution of the present embodiment, comprises the component of following weight portion in 1L electroless plating solution:

[0028]

[0029]

[0030] 2. Preparation method of Ni-P nano cubic boron nitride composite coating

[0031] The preparation method of the present embodiment Ni-P nano cubic boron nitride composite coating comprises the following steps:

[0032] 1) The aluminum alloy substrate is ready for use after pretreatment processes such as degreasing, cleaning, pickling and rust removal, cleaning, and weak acid activation. Put the container filled with the plating solution of this embodiment into a water bath and heat it to 80°C, and use H 2 SO 4 Adjust the pH value of plating solution with ammonia water to be 4.5;

[0033] 2) Suspend the substrate to be plated in the plating solution, add nano-cubic boron nitride, the amount of every liter of plating solution is 4ml, and the...

Embodiment 2

[0036] 1.Ni-P electroless plating solution

[0037] The Ni-P electroless plating solution of the present embodiment, comprises the component of following weight portion in 1L electroless plating solution:

[0038]

[0039] 2. Preparation method of Ni-P nano cubic boron nitride composite coating

[0040] The preparation method of the present embodiment Ni-P nano cubic boron nitride composite coating comprises the following steps:

[0041] 1) The aluminum alloy substrate is ready for use after pretreatment processes such as degreasing, cleaning, pickling and rust removal, cleaning, and weak acid activation. Put the container filled with the plating solution of this embodiment into a water bath and heat it to 85°C, and use H 2 SO 4 Adjust the pH value of plating solution with ammonia water to be 4.5;

[0042] 2) Suspend the substrate to be plated in the plating solution, add nano-cubic boron nitride, the amount of every liter of plating solution is 4ml, and the stirring sp...

Embodiment 3

[0045] 1.Ni-P electroless plating solution

[0046] The Ni-P electroless plating solution of the present embodiment, comprises the component of following weight portion in 1L electroless plating solution:

[0047]

[0048] 2. Preparation method of Ni-P nano cubic boron nitride composite coating

[0049] The preparation method of the present embodiment Ni-P nano cubic boron nitride composite coating comprises the following steps:

[0050]1) The aluminum alloy substrate is ready for use after pretreatment processes such as degreasing, cleaning, pickling and rust removal, cleaning, and weak acid activation. Put the container filled with the plating solution of this embodiment into a water bath and heat it to 80°C, and use H 2 SO 4 Adjust the pH value of plating solution with ammonia water to be 4.5;

[0051] 2) Suspend the substrate to be plated in the plating solution, add nano-cubic boron nitride, the addition amount per liter of plating solution is 7ml, and the stirring...

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Abstract

The invention provides a Ni-P electroless plating solution and a preparation method for a Ni-P nano cubic boron nitride composite coating. Potassium iodide serves as a single stabilizer for a conventional Ni-P electroless plating solution, so that the stability of the conventional Ni-P electroless plating solution is limited in some cases. According to the Ni-P electroless plating solution, the stability of the Ni-P electroless plating solution is improved through a potassium iodide/ tin methanesulfonate compound stabilizer, and the harmful effect of tiny particles (such as nano particles) on the stability of the electroless plating solution in the electroless plating process is reduced. The Ni-P nano cubic boron nitride composite coating is prepared by using the Ni-P electroless plating solution. The composite coating prepared through the preparation method is compact, even, good in binding force, high in hardness and abrasion resistance, and has excellent corrosion resistance; the service life of workpieces is prolonged.

Description

technical field [0001] The invention belongs to the field of chemical plating, and in particular relates to a Ni-P chemical plating solution, and also relates to a preparation method of a Ni-P nano-cubic boron nitride composite coating. Background technique [0002] Electroless Ni-P alloy has been widely used in industrial production because of its excellent corrosion resistance, high wear resistance and some special functions. By adding hard particles into the electroless plating solution to co-deposit it with the electroless plating alloy, various composite coatings with different physical and chemical properties can be obtained. [0003] The Ni-P nanomaterial composite coating can significantly improve the structure of the material and endow the material with new properties. Such as nano-SiC, Si 3 N 4 、Al 2 o 3 , cubic boron nitride composite high hardness and wear-resistant coating; nano-graphite, polytetrafluoroethylene, MOS 2 , (CF) n Composite self-lubricating ...

Claims

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Application Information

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IPC IPC(8): C23C18/36
Inventor 王丽
Owner FUNIK ULTRAHARD MATERIAL
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