Method for preparing metallic matrix composite coating reinforced by alumina ceramics particles

A technology of alumina ceramics and composite materials, applied in metal material coating process, coating, heating inorganic powder coating and other directions, can solve the problems affecting the operation efficiency of thermal power plants, safe operation and power generation costs, and parts wear and ash removal. Technology, difficult to promote and use, etc., to achieve the effect of reducing the cost of coating preparation, high hardness and low price
CN101580938AInactive Publication Date: 2009-11-18JILIN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
JILIN UNIV
Publication Date
2009-11-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a method for preparing metallic matrix composite coating reinforced with alumina ceramics particles in the technical fields such as materials, electric power, metallurgy, machinery and the like, belonging to surface engineering techniques. The metallic matrix composite coating reinforced by alumina ceramics particles (AL2O3P / NiCrBSi) is prepared on the surface of the mild steel base material based on the characteristics of high wear and erosion resistance, low cost of the alumina materials, fine self-fluxing nature, wettability and plasma spraying technology of the NiCrBSi alloy, and the property of wearing and erosion resistance is improved. The technique process of preparing WCP / NiCrBSi composite material coating is as follows: coating design; sifting dusty spray; mixing the powder according to certain ratio; superficial treatment of base material; controlling plasma spraying parameter; and preparing WCP / NiCrBSi coating.
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Description

technical field

[0001] The invention relates to a method for preparing an alumina ceramic particle-reinforced metal matrix composite material coating in the technical fields of materials, electric power, metallurgy, machinery, etc., and belongs to surface engineering technology. Background technique

[0002] Electric power industry is the pillar industry of national economy. Fly ash and slag produced by coal-fired boilers in thermal power plants account for about 1 / 5 of the coal consumption. The treatment of fly ash and slag has become an important production link of thermal power generation. There are two main methods of ash removal: one is to use a hydraulic ash removal system to clean and transport ash (referred to as water ash removal); the other is to use a pneumatic ash removal system to clean and transport ash (referred to as dry ash removal) . Because the dry ash removal system has the advantages of saving water resources, no pollution to the environment, and reusa...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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