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Preparation method of wearproof ceramic metal material

A technology of metal materials and wear-resistant ceramics, which is applied in the direction of metal material coating technology, molten plating, coating, etc., can solve the problems of affecting the output of vertical mills, increasing production costs, and complicated processes, so as to maintain good characteristics , good wear resistance, overcome the effect of poor flexibility

Inactive Publication Date: 2015-08-26
杜玉村
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no matter what kind of alloy metal material is used for the grinding rollers on the vertical mill, due to the harsh environment and severe wear and tear, the service life is very short, about 5000 hours (a little more than half a year), which greatly affects the vertical mill Output, when replacing alloy tiles with more than 30 tons of grinding rollers, not only the cycle is long, but the process is complicated, which increases the production cost of the enterprise and affects the normal production of the enterprise

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The preparation method of the present invention is as follows: step 1, the alloy metal working surface is cast or machined into a grid concave shape, the depth of the depression is 0.1 mm, and a layer of metal silicon is evenly applied on the alloy metal grid concave working surface. Particles, metal silicon powder and carbon powder mixture, the ratio of metal silicon particles, metal silicon powder and carbon powder is 7:2:1;

[0018] Step 2. Melt alumina powder into liquid at a high temperature of 2200°C, pour it directly on the working surface of alloy metal with grid depressions, and apply a layer of metal silicon particles, metal silicon micropowder and carbon powder mixture, and perform high-pressure die-casting. A dense alumina ceramic layer is formed on the surface of the alloy metal to obtain this wear-resistant ceramic metal material.

Embodiment 2

[0020] The preparation method of the present invention is as follows: step 1, the alloy metal working surface is cast or machined into a grid concave shape, the depth of the depression is 22 mm, and a layer of metal-containing silicon particles is evenly applied on the alloy metal grid concave working surface , a mixture of metal silicon micropowder and carbon powder, the ratio of metal silicon particles, metal silicon micropowder and carbon powder is 6:2:2;

[0021] Step 2. Heat the silicon carbide powder at a high temperature of 2830°C to melt it into a liquid, pour it directly on the working surface of the alloy metal with grid depressions, and apply a layer of metal silicon particles, metal silicon micropowder and carbon powder mixture, and perform high-pressure die-casting. A dense silicon carbide ceramic layer is formed on the surface of the alloy metal to obtain this wear-resistant ceramic metal material.

Embodiment 3

[0023] The preparation method of the present invention is as follows: step 1, the alloy metal working surface is cast or machined into a grid concave shape, the depth of the depression is 25 mm, and a layer of metal-containing silicon particles is evenly applied on the alloy metal grid concave working surface , a mixture of metal silicon micropowder and carbon powder, the ratio of metal silicon particles, metal silicon micropowder and carbon powder is 5:3:2;

[0024] Step 2. Melt the alumina powder into a liquid at a high temperature of 2350°C, pour it directly on the working surface of the alloy metal with grid depressions, and apply a layer of metal silicon particles, metal silicon micropowder and carbon powder mixture, and perform high-pressure die-casting. A dense alumina ceramic layer is formed on the surface of the alloy metal to obtain this wear-resistant ceramic metal material.

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Abstract

The invention discloses a preparation method of a wearproof ceramic metal material. The preparation method comprises the steps of melting alumina powder or silicon carbide powder into liquid at high temperature, and pressing the liquid to alloy metal at high pressure, so as to prepare the wearable ceramic metal material, wherein the alloy metal is provided with sunken grids and is coated with a layer of mixture containing metal silicon particles, metal silicon micropowder and carbon powder. The wearproof ceramic metal material has the advantages of good wear resistance, corrosion resistance, impact resistance and flexibility, long service life, energy saving and environmental friendliness.

Description

technical field [0001] The invention relates to a metal material, in particular to a preparation method of a wear-resistant ceramic metal material. Background technique [0002] At present, the vertical mill is an ideal large-scale grinding equipment, which is widely used in cement, electric power, metallurgy, chemical industry, non-metallic mines and other industries. Lumpy, granular and powdery raw materials are ground into required powdery materials. However, no matter what kind of alloy metal material is used for the grinding rollers on the vertical mill, due to the harsh environment and severe wear and tear, the service life is very short, about 5000 hours (a little more than half a year), which greatly affects the vertical mill Output, when more than 30 tons of grinding rollers are replaced with alloy tiles, not only the cycle is long, but the process is complicated, which increases the production cost of the enterprise and affects the normal production of the enterpr...

Claims

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Application Information

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IPC IPC(8): C23C6/00
Inventor 杜玉峰
Owner 杜玉村