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A method for preparing wear-resistant coating on steel plate

A wear-resistant coating, steel plate technology, applied in the direction of coating, metal material coating process, melt spraying, etc., can solve the problem of easy peeling of coating and substrate, and achieve the effect of enhanced durability

Active Publication Date: 2018-09-14
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] All of the above publications have formed a wear-resistant coating on the surface of the substrate, but the coating and the substrate are easy to peel off, so the bonding strength needs to be further improved

Method used

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  • A method for preparing wear-resistant coating on steel plate

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Comparison scheme
Effect test

Embodiment 1

[0021] This embodiment provides a method for preparing a wear-resistant coating on a steel plate, comprising the following steps:

[0022] Step A: corrode and derust the surface of the steel plate, roughen it by sand blasting, and design a reaction combustion chamber;

[0023] Step B: spraying nickel-chromium alloy on the surface of the roughened steel plate;

[0024] 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;

[0025] Step D: preheating the steel plate to 200°C, and then igniting to initiate a self-propagating reaction;

[0026] A ceramic composite steel plate with good bonding strength and wear resistance requirements can be prepared by the above method.

Embodiment 2

[0028] This embodiment provides a method for preparing a wear-resistant coating on a steel plate, comprising the following steps:

[0029] Step A: corrode and derust the surface of the steel plate, roughen it by sand blasting, and design a reaction combustion chamber;

[0030] Step B: Spraying and spraying aluminum bronze on the surface of the roughened steel plate;

[0031] 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;

[0032] Step D: preheating the steel plate to 300°C, and then igniting to initiate a self-propagating reaction;

[0033] A ceramic composite steel plate with good bonding strength and wear resistance requirements can be prepared by the above method.

Embodiment 3

[0035] This embodiment provides a method for preparing a wear-resistant coating on a steel plate, comprising the following steps:

[0036] Step A: corrode and derust the surface of the steel plate, roughen it by sand blasting, and design a reaction combustion chamber;

[0037] Step B: Spraying FeNiCrBSi on the surface of the roughened steel plate;

[0038] Step C: pressing iron oxide powder and aluminum powder with a mass ratio of 2.9:1 into blocks, and putting them into a combustion chamber;

[0039] Step D: Preheat the steel plate to 400°C, and then ignite to initiate a self-propagating high-temperature synthesis reaction; through the above method, a ceramic composite steel plate with good bonding strength and wear resistance requirements can be prepared.

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Abstract

The invention provides a method for preparing a wear-resisting coating on a steel plate. The method comprises the following steps that the surface of the steel plate is firstly subjected to corrosion derusting and sand-blasting roughening treatment, a reaction combustion chamber is designed, and a self-fluxing alloy material is sprayed to the roughened surface of the steel plate; and then, self-propagating powder is pressed into blocks to be placed on the surface of a base body obtained after spraying, the base body is put in the combustion chamber, the steel plate is preheated, then ignition is carried out to trigger a self-propagating high-temperature synthetic reaction, and natural cooling is carried out after the reaction is finished. The method has the following beneficial effects that the method can be used for solving the problem that the bonding strength of a coating obtained through self-propagating reaction high-temperature synthesis and the steel plate is not high, and the bonding strength of the wear-resisting coating is greatly improved.

Description

technical field [0001] The invention relates to a method for preparing a wear-resistant coating on a steel plate. 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 chemi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C4/06C23C4/18C23C24/10
CPCC23C4/06C23C4/18C23C24/103
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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