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Manufacturing method of wear-proof coating

A wear-resistant coating and wear-resistant material technology, applied in the field of preparation of wear-resistant coatings, can solve the problems of poor surface precision, low bonding strength between wear-resistant metal coatings and substrates, etc., so as to improve wear resistance and improve bonding Strength, the effect of improving flatness

Active Publication Date: 2016-04-06
NANTONG GAOXIN ANTIWEAR MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The wear-resistant metal coating prepared by the above materials does not have high bonding strength to the substrate, and the precision of the surface after preparation is poor

Method used

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  • Manufacturing method of wear-proof coating

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Experimental program
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Effect test

Embodiment 1

[0022] This embodiment provides a method for preparing a wear-resistant coating, comprising the following steps:

[0023] Step A: corrode and derust the surface of the steel plate, roughen it by sand blasting, and design a reaction combustion chamber;

[0024] Step B: spraying nickel-chromium alloy on the surface of the roughened steel plate;

[0025] Step C: pressing iron oxide powder and aluminum powder with a mass ratio of 2.9:1 into blocks, and placing them on the above-mentioned sprayed steel plate, and then putting them into the combustion chamber together;

[0026] Step D: preheating the steel plate, and then igniting to initiate a self-propagating high-temperature synthesis reaction;

[0027] Step E: Spray the wear-resistant alloy on the surface of the product by thermal spraying process.

[0028] Composite materials with good bonding strength and wear resistance requirements can be prepared by the above method.

Embodiment 2

[0030] This embodiment provides a method for preparing a wear-resistant coating, comprising the following steps:

[0031] Step A: corrode and derust the surface of the steel plate, roughen it by sand blasting, and design a reaction combustion chamber;

[0032] Step B: Spraying and spraying aluminum bronze on the surface of the roughened steel plate;

[0033] Step C: pressing iron oxide powder and aluminum powder with a mass ratio of 2.9:1 into blocks, and placing them on the above-mentioned sprayed steel plate, and then putting them into the combustion chamber together;

[0034] Step D: preheating the steel plate, and then igniting it to initiate a self-propagating reaction;

[0035] Step E: Spray nickel-chromium alloy on the surface of the product by thermal spraying process.

[0036] Composite materials with good bonding strength and wear resistance requirements can be prepared by the above method.

Embodiment 3

[0038] This embodiment provides a method for preparing a wear-resistant coating, comprising the following steps:

[0039] Step A: corrode and derust the surface of the steel plate, roughen it by sand blasting, and design a reaction combustion chamber;

[0040] Step B: Spraying FeNiCrBSi on the surface of the roughened steel plate;

[0041]Step C: pressing iron oxide powder and aluminum powder with a mass ratio of 2.9:1 into blocks, and placing them on the above-mentioned sprayed steel plate, and then putting them into the combustion chamber together;

[0042] Step D: preheating the steel plate, and then igniting to initiate a self-propagating high-temperature synthesis reaction;

[0043] Step E: Spray wear-resistant ceramics on the surface of the product through a thermal spraying process.

[0044] Composite materials with good bonding strength and wear resistance requirements can be prepared by the above method.

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Abstract

The invention provides a manufacturing method for a wear-proof coating. The manufacturing method includes the following steps that corrosion rust removal and abrasive blasting and coarsening treatment are conducted on the surface of a base body; a self-fluxing alloy material is sprayed to the coarsened surface of the base body; then self-propagating powder is pressed into a block to be placed on the sprayed surface of the base body and put into a combustion chamber; the base body is preheated, a self-propagating reaction is triggered through ignition, and the base body is naturally cooled after the reaction is finished; and a wear-proof material is sprayed to the surface of the product through the thermal spraying process, and the wear-proof coating is obtained. By means of the method, the problem that the bonding strength of the self-propagating coating and the base body is low can be solved, the bonding strength of the wear-proof coating is improved greatly, the wear-proof layer is added to the self-propagating coating, the wear resistance of the coating can be improved, the voidage of the coating can be lowered, and flatness is improved.

Description

technical field [0001] The invention relates to a preparation method of a wear-resistant coating. Background technique [0002] Metal materials are the most widely used engineering materials, but with the increasingly harsh working conditions of engineering equipment, a single metal material has been difficult to meet the requirements of engineering use. Coating the wear-resistant coating on the metal surface can make the composite material not only retain the strength and toughness of the metal, but also have the characteristics of wear resistance, corrosion resistance and high temperature resistance of the coating, which can greatly improve the performance of the material . [0003] At present, the methods commonly used in the industry to prepare composite coatings are as follows: self-propagating high-temperature synthesis method, thermal spraying method, sol-gel method, etc. The self-propagating high-temperature synthesis method is to use the high chemical reaction hea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/23B22F7/04
CPCB22F3/23B22F7/04
Inventor 汪兴兴朱昱倪红军魏金栋张宇黄明宇李志扬廖萍
Owner NANTONG GAOXIN ANTIWEAR MATERIALS TECH CO LTD
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