Binary composite structure type nickel boron alloy coating and preparation method and application thereof

A nickel-boron alloy and binary compound technology, which is applied in the direction of metal material coating technology, coating, liquid chemical plating, etc., can solve the problems of complex processing procedures, poor heat dissipation performance, environmental pollution, etc., and achieve simple processing procedures, Good adhesion and lower surface temperature

Active Publication Date: 2018-09-28
NORTH CHINA UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the technical problems of high brittleness, poor heat dissipation performance, easy peeling, high cost, complicated processing procedures, and serious environmental pollution of the surface coatings of parts in the prior art, the invention provides a nickel-boron alloy coating with a binary composite structure Its preparation method a...

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  • Binary composite structure type nickel boron alloy coating and preparation method and application thereof
  • Binary composite structure type nickel boron alloy coating and preparation method and application thereof
  • Binary composite structure type nickel boron alloy coating and preparation method and application thereof

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preparation example Construction

[0026] Specifically, as image 3 Shown, the preparation method of this binary composite structure nickel-boron alloy coating can comprise the following steps:

[0027] Step a, degreasing, ultrasonic cleaning and drying are performed on the workpiece to be plated to obtain a workpiece to be plated with a clean surface.

[0028] Step b. Put the workpiece to be plated with a clean surface into the chemical plating solution for chemical plating treatment, and magnetically stir the chemical plating solution through the action of the magnetic stirring base and the magnetic stirring magnet, and control the plating through a constant temperature water bath at the same time Temperature, the conditions of electroless plating are: pH value is 13-14, plating temperature is 85-95°C, and plating time is 1-5h, so as to obtain plated workpieces treated by chemical plating;

[0029] Wherein, described electroless plating solution comprises each component of following parts by weight:

[0030...

Embodiment 1

[0040] A stainless steel plate sample of 80 mm × 40 mm × 5 mm is used as the workpiece to be plated, and a binary composite structure nickel-boron alloy coating is prepared on the surface of the workpiece to be plated. The specific preparation method may include the following steps:

[0041] Step a1, degreasing, ultrasonic cleaning and drying treatment are performed on the workpiece to be plated to obtain a workpiece to be plated with a clean surface.

[0042] Step b1, put the workpiece to be plated with a clean surface into the chemical plating solution with a pH value of 13 for chemical plating treatment, and magnetically stir the chemical plating solution to eliminate the concentration polarization of the chemical plating solution and uniform solution composition , improve the uniformity of the coating, and at the same time control the coating temperature to 90±1°C and the coating time to 1h through a constant temperature water bath, so as to obtain the coated workpiece afte...

Embodiment 2

[0049] A circular saw blade of Ф180 mm × 1.1 mm for cutting red oak is used as the workpiece to be plated, and a binary composite structure nickel-boron alloy coating is prepared on the surface of the workpiece to be plated. The specific preparation method may include the following steps:

[0050] In step a2, degreasing, ultrasonic cleaning and drying are performed on the workpiece to be plated to obtain a workpiece to be plated with a clean surface.

[0051] Step b2, put the workpiece to be plated with a clean surface into the chemical plating solution with a pH value of 14 for chemical plating treatment, and magnetically stir the chemical plating solution to eliminate the concentration polarization of the chemical plating solution and uniform solution composition , improve the uniformity of the coating, and at the same time control the coating temperature to 85±1°C and the coating time to 3.5 hours through a constant temperature water bath, so as to obtain the coated workpiec...

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Abstract

The invention discloses a binary composite structure type nickel boron alloy coating and a preparation method and application thereof. The nickel boron alloy coating is provided with a micron and nanobinary composite microstructure, wherein the first-order structure is a micron-level vortex cell type structure unit; a second-order structure is a nano-level villus type structure unit. The preparation method comprises the steps of chemically coating a surface-cleaned workpiece to be coated in a chemical coating solution to obtain a coated workpiece subjected to chemical coating treatment; and thermally processing the surface of the coated workpiece to obtain the binary composite structure type nickel boron alloy coating. The binary composite structure type nickel boron alloy coating is extremely high in heat dissipating performance, high in corrosion resistance, low in friction coefficient, high in adhesive force, hard to peel off, low in cost, simple in processing processes, and free from pollution, and achieves engineering realization; the service performances of spare parts can be effectively improved; the service life is prolonged; and the binary composite structure type nickelboron alloy coating is applicable to the surface reinforcing processing of a rapid cutting tool or a rapid fire weapon.

Description

technical field [0001] The invention relates to the technical field of metal surface treatment, in particular to a nickel-boron alloy coating with a binary composite structure and a preparation method and application thereof. Background technique [0002] At present, the surfaces of parts such as saw blades and blades of high-speed cutting tools and parts such as pistons, regulators and launch tubes of rapid-fire weapons are usually treated with chrome plating or black phosphating to improve the wear resistance and high temperature resistance of the base material. , corrosion resistance and other properties, but the hard chromium coating formed by chrome plating has problems such as high brittleness, poor heat dissipation, easy peeling, high cost, complicated processing procedures, and serious environmental pollution, while the phosphating coating formed by black phosphating The performance in heat dissipation, wear resistance, high temperature resistance, corrosion resistan...

Claims

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Application Information

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IPC IPC(8): C23C18/34
CPCC23C18/1655C23C18/168C23C18/1692C23C18/34
Inventor 豆照良刘峰斌
Owner NORTH CHINA UNIVERSITY OF TECHNOLOGY
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