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Simple method for manufacturing ceramic-metal composite wear-resistant part

A technology of composite wear-resistant parts and ceramic metal, which is applied in the field of wear-resistant composite materials, can solve the problems of unhealthy workers, easily broken prefabricated parts, and high production cost, and achieves the effects of simple operation, simple method and low mass production cost.

Active Publication Date: 2013-10-09
CHONGQING LUOMAN NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When casting the matrix metal liquid, the alloy powder is melted, and the metal liquid fills the pores of the alloy powder. On the one hand, this method needs to add a large amount of binders, additives, etc. to the prefabricated block, and these substances are mostly organic substances. Pollution of the environment is not good for the health of workers, and the use of these substances will cause high production costs
Finally, this method needs to prepare the prefabricated green body first, then sinter the green body into a preform, and then cast the matrix molten metal. The process is complicated, and the preform is easy to break and peel off when casting the matrix molten metal.

Method used

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  • Simple method for manufacturing ceramic-metal composite wear-resistant part

Examples

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Comparison scheme
Effect test

Embodiment 1

[0021] The silicon carbide ceramic particles with a particle size of 1.0-2.0mm and 2.0-4.0mm are subjected to wettability treatment, that is, the surface of the ceramic particle is nickel-plated, and the silicon carbide ceramics with a particle size of 1.0-2.0mm and 2.0-4.0mm The mass ratio of the particles is 5:5. The process of nickel plating includes the processes of surface treatment and plating.

[0022] Surface preparation consists of the following 5 steps:

[0023] (1) Degreasing: soak in anhydrous alcohol solution for 10-35 minutes, wash with deionized water under the action of ultrasonic waves, completely degrease the surface of ceramic particles, and then dry naturally.

[0024] (2) Roughening: Under the action of ultrasonic waves, soak in hydrofluoric acid at room temperature to roughen the surface of ceramic particles.

[0025] (3), sensitization: soak for 4-6min at room temperature with a sensitization solution containing stannous chloride dihydrate and hydrochl...

Embodiment 2

[0034] Embodiment 2, the preparation of wear-resistant liner of ball mill

[0035] 1. The titanium carbide and silicon carbide ceramic particles with particle diameters of 1.0-2.0 mm and 2.0-4.0 mm are subjected to wettability treatment, and the mass ratio of titanium carbide and silicon carbide ceramic particles is 1:1. Wherein, and the mass ratio of the mass of ceramic particles with a particle size of 1.0-2.0 mm to the mass of ceramic particles with a particle size of 2.0-4.0 is 7:3. The process of nickel plating includes the processes of surface treatment and plating.

[0036] Surface preparation consists of the following 5 steps:

[0037] (1) Degreasing: soak in anhydrous alcohol solution for 10-35 minutes, wash with deionized water under the action of ultrasonic waves, completely degrease the surface of ceramic particles, and then dry naturally.

[0038] (2) Roughening: Under the action of ultrasonic waves, soak in hydrofluoric acid at room temperature to roughen the s...

Embodiment 3

[0049] The silicon carbide ceramic particles with a particle size of 0.5-4 mm are subjected to wetting treatment, that is, the surface of the ceramic particles is subjected to nickel plating treatment, and the nickel plating process includes surface treatment and plating processes.

[0050] Surface preparation consists of the following 5 steps:

[0051] (1) Degreasing: soak in anhydrous alcohol solution for 10-35 minutes, wash with deionized water under the action of ultrasonic waves, completely degrease the surface of ceramic particles, and then dry naturally.

[0052] (2) Roughening: Under the action of ultrasonic waves, soak in hydrofluoric acid at room temperature to roughen the surface of ceramic particles.

[0053] (3), sensitization: soak for 4-6min at room temperature with a sensitization solution containing stannous chloride dihydrate and hydrochloric acid under ultrasonic waves.

[0054] (4) Activation: Under ultrasonic waves, a solution containing palladium chlorid...

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Abstract

The invention discloses a simple method for manufacturing a ceramic-metal composite wear-resistant part. The simple method for manufacturing the ceramic-metal composite wear-resistant part is characterized by comprising the following steps of obtaining a steel wire gauze, stamping a groove in the steel wire gauze, filling ceramic particles in the groove after surface wetting treatment is conducted on the ceramic particles, taking another steel wire gauze to cover the first steel wire gauze so that the groove can be shielded and scattering of the ceramic particles can be avoided, fixing the steel wire gauze with the ceramic particles fixed on a corresponding position, need to be enhanced, of the mold cavity wear-resistant part, and pouring and casting matrix metal liquid to obtain the wear-resistant part. The simple method for manufacturing the ceramic-metal composite wear-resistant part has the advantages of being even in distribution of the ceramic particles, firm in combination with matrix metal, capable of giving full play to the characteristics of ceramic and metal and achieving high-resistant performance and high-impact-resistant performance, simple, easy and convenient to operate, capable of being produced in large scale or in batch, and low in cost.

Description

technical field [0001] The invention relates to the technical field of wear-resistant composite materials, in particular to a simple method for preparing ceramic-metal composite wear-resistant parts. Background technique [0002] Abrasion is the most basic type of failure of prefabricated parts, and it is commonly found in many industries such as metallurgy, mining, thermal power, machinery, cement, and coal mines. This has caused a great waste of raw materials and a huge consumption of energy. According to incomplete statistics, my country consumes more than 5 million tons of metal wear-resistant materials every year. It can be seen that improving the wear resistance of mechanical equipment and parts can effectively reduce energy consumption and increase labor productivity. [0003] In response to the above situation, it was proposed to make composite materials from metal and ceramics. Ceramic-metal composite materials are a new type of composite materials that combine the...

Claims

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Application Information

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IPC IPC(8): B22D19/14B22D19/08
Inventor 牟元全李忠亮方文
Owner CHONGQING LUOMAN NEW MATERIAL TECH CO LTD
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