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Zirconia ceramic cylinder liner material and preparation method thereof

A technology of zirconia ceramics and ceramic cylinders, which is applied in the field of preparation of zirconia ceramic cylinder liner materials and zirconia ceramic cylinder liner materials, can solve the problems of uneven distribution of material components, different shrinkage rates of materials, and influence of ceramic performance, etc. Achieve the effects of reducing energy consumption for preparation, uniform particle size, and uniform dispersion

Inactive Publication Date: 2012-01-18
SHANTOU UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the traditional mechanical mixing and wet ball milling of raw materials, the raw materials are not fully mixed, and the material components are not evenly distributed. At the same time, due to the uneven material components, the shrinkage rate of the material will be different after high temperature calcination. Performance suffers

Method used

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  • Zirconia ceramic cylinder liner material and preparation method thereof
  • Zirconia ceramic cylinder liner material and preparation method thereof
  • Zirconia ceramic cylinder liner material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1： refer to Figure 1 to Figure 3 .

[0022] (1) Preparation of reaction solution: 550 g ZrOCl 2 ?8H 2 O and 534 gAl(NO 3 ) 3 ?9H 2 O was dissolved in the reaction kettle, and 300 mL of dissolved 30.6 gTiCl was added to it 4 Alcohol, then add dissolved 13.6 gY 2 o 3 and La 2 o 3 The hydrochloric acid solution is configured into C Zr 4+ =0.1~0.3 mol / L solution mixed solution, after cooling to room temperature, slowly add precipitant C according to the metering ratio under stirring 6 h 12 N 4 The solution (concentration C=0.2~0.6 mol / L) is mixed evenly. And then add an appropriate amount of dispersant.

[0023] (2) Preparation of xerogel: The above solution was gradually heated and reacted for 2 hours under stirring, and then the pH was adjusted with ammonia water to obtain a sol. The sol was suction-filtered, washed 6 to 7 times, alcoholized, dried in an oven at 100°C, and sieved to obtain a xerogel.

[0024] (3) ZrO 2 Preparation of ceramic cy...

Embodiment 2

[0029] Example 2： (1) Preparation of reaction solution: 650 g ZrOCl 2 ?8H 2 O and 434 gAl(NO 3 ) 3 ?9H 2 O was dissolved in the reaction kettle, and 300 mL of dissolved 30.6 gTiCl was added to it 4 Alcohol, then add dissolved 14.6 gY 2 o 3 and La 2 o 3 The hydrochloric acid solution is configured into C Zr 4+ =0.1~0.3 mol / L solution mixed solution, after cooling to room temperature, slowly add precipitant C according to the metering ratio under stirring 6 h 12 N 4 The solution (concentration C=0.2~0.6 mol / L) is mixed evenly. And then add an appropriate amount of dispersant.

[0030] (2) Preparation of xerogel: The above solution was gradually heated and reacted for 2 hours under stirring, and then the pH was adjusted with ammonia water to obtain a sol. The sol was suction-filtered, washed 6 to 7 times, alcoholized, dried in an oven at 100°C, and sieved to obtain a xerogel.

[0031] (3) ZrO 2 Preparation of ceramic cylinder liner powder: after calcining the above...

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Abstract

The invention discloses a zirconia ceramic cylinder liner material and a preparation method thereof, and the material comprises the following components: 60-80 wt% of ZrO2, 20-30 wt% of Al2O3, 3.2-4.3 wt% of Y2O3, 3-4.2 wt% of TiO2, and 1.5-2.1 wt% of La2O3. The method prepares the ZrO2 ceramic cylinder liner material by using Al(NO3)3, ZrOCl2.8H2O, Y(NO3)3, TiCl4, LaCl3 as raw materials, using C6H12N4 as a precipitant, and by a coprecipitation method. Uniform mixing of each component at molecular level is effectively realized. The disadvantage of poor uniformity of the mixing of each component in the material due to routine ball milling mixing technology is overcome; the prepared zirconia ceramic powder has the characteristics of uniform dispersion, homogeneous particle size, and good fluidity; low-temperature sintering is realized; the ZrO2 composite ceramic material green body prepared by the method has bending strength of 980-1200 MPa, fracture toughness of 8.3-10 MPa.m1 / 2, vickers hardness of 2 GPa-14 GPa after calcination at 1330-1380 DEG C; the process is simple, and is applicable to large-scale production.

Description

technical field [0001] The invention belongs to the technical field of zirconia ceramic materials, in particular to a zirconia ceramic cylinder liner material and a preparation method for the zirconia ceramic cylinder liner material. Background technique [0002] At present, most mud pump cylinder liner materials are composite metal materials. Due to the harsh working environment of the mud pump, metal materials are susceptible to wear and corrosion, resulting in a short service life of the cylinder liner, and frequent replacement reduces work efficiency. Therefore, how to stabilize and improve the service life of the piston cylinder liner is an important aspect to improve the working efficiency of the mud pump. [0003] In order to improve the service life of the cylinder liner, the Chinese invention patent application published on August 26, 2009 with the publication number CN101514104A proposes a zirconia-based ceramic cylinder liner material lining, which can increase t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/49C04B35/622
Inventor 张歆罗忠义王新平尹业高陈仲丛陈潮钿王国营许小军黄超华
Owner SHANTOU UNIV
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