High-temperature-resistant ceramic powder coating material and preparation method thereof

A technology of high temperature resistant ceramics and coating materials, applied in the field of materials, can solve the problems of low through porosity, insufficient high temperature resistance and strength, and can not make up for the brittleness of ceramic materials, so as to improve high temperature tolerance, improve strength, optimize stability, etc. performance effect

Active Publication Date: 2015-01-28
GUANGXI QINZHOU BEIBU GULF NIXING YUTAO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The ceramic coating material has a low through-hole rate and has certain acid and aging resistance properties, but it is insufficient in the high temperature resistance and strength of the material, which cannot make up for the brittleness of the ceramic material.

Method used

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  • High-temperature-resistant ceramic powder coating material and preparation method thereof
  • High-temperature-resistant ceramic powder coating material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A high-temperature-resistant ceramic powder coating material is composed of the following components in parts by mass:

[0031] (1) 15 parts of silicon carbide; (2) 3 parts of nano-nickel oxide and 6 parts of nano-magnesium oxide; (3) nano-γ-Al 2 o 3 , 15 copies; (4) Ta 2 o 5 , 2.5 parts; (5) silicon dioxide, 25 parts; (6) titanium oxide, 4.5 parts; (7) nanometer thorium dioxide, 5 parts.

[0032] Wherein, the mass ratio of nano-nickel oxide to nano-magnesium oxide is 1:2.

[0033] According to the preparation method of the high-temperature-resistant ceramic powder coating material provided by the present invention, the above-mentioned high-temperature-resistant ceramic powder coating material is prepared, and the preparation steps are as follows:

[0034] (1) Weighing: Accurately weigh each component;

[0035] (2) Grinding: mix each component together, after stirring evenly, put into grinder and grind;

[0036] (3) Calcination: put the mixture obtained in step (3...

Embodiment 2

[0039] A high-temperature-resistant ceramic powder coating material is composed of the following components in parts by mass:

[0040] (1) silicon carbide, 30 parts; (2) 9 parts of nano-nickel oxide and 12 parts of nano-magnesium oxide; (3) nano-γ-Al 2 o 3 , 23 copies; (4) Ta 2 o 5 , 4 parts; (5) silicon dioxide, 45 parts; (6) titanium oxide, 7.5 parts; (7) nanometer thorium dioxide, 15 parts.

[0041] Wherein, the mass ratio of nano-nickel oxide to nano-magnesium oxide is 3:4.

[0042] According to the preparation method of the high-temperature-resistant ceramic powder coating material provided by the present invention, the above-mentioned high-temperature-resistant ceramic powder coating material is prepared, and the preparation steps are as follows:

[0043] (1) Weighing: Accurately weigh each component;

[0044] (2) Grinding: mix each component together, after stirring evenly, put into grinder and grind;

[0045] (3) Calcination: put the mixture obtained in step (3) ...

Embodiment 3

[0048] A high-temperature-resistant ceramic powder coating material is composed of the following components in parts by mass:

[0049](1) silicon carbide, 22 parts; (2) 6 parts of nano-nickel oxide and 9 parts of nano-magnesium oxide; (3) nano-γ-Al 2 o 3 , 18 copies; (4) Ta 2 o 5 , 3.5 parts; (5) silicon dioxide, 35 parts; (6) titanium oxide, 5.5 parts; (7) nanometer thorium dioxide, 10 parts.

[0050] Wherein, the mass ratio of nano-nickel oxide to nano-magnesium oxide is 2:3.

[0051] According to the preparation method of the high-temperature-resistant ceramic powder coating material provided by the present invention, the above-mentioned high-temperature-resistant ceramic powder coating material is prepared, and the preparation steps are as follows:

[0052] (1) Weighing: Accurately weigh each component;

[0053] (2) Grinding: mix each component together, after stirring evenly, put into grinder and grind;

[0054] (3) Calcination: put the mixture obtained in step (3) ...

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Abstract

The invention discloses a high-temperature-resistant ceramic powder coating material and a preparation method thereof and relates to the technical field of materials. The coating material consists of the following components in parts by mass: (1) 15-30 parts of silicon carbide; (2) 3-9 parts of nanometer nickel oxide and 6-12 parts of nanometer magnesium oxide; (3) 15-23 parts of nano Al2O3; (4) 2.5-4 parts of Ta2O5; (5) 25-45 parts of silicon dioxide; (6) 4.5-7.5 parts of titanium oxide; and (7) 5-15 parts of nanometer thorium dioxide. The method for preparing the high-temperature-resistant ceramic powder coating material comprises the following preparation steps: (1) weighing; (2) grinding; (3) calcining; and (4) cooling. According to the high-temperature-resistant ceramic powder coating material and the preparation method thereof disclosed by the invention, the provided ceramic nanometer coating material has high strength and toughness and excellent high temperature resistance and wear resistance and has a certain corrosion resistance.

Description

technical field [0001] The invention belongs to the technical field of materials, and in particular relates to a high-temperature-resistant ceramic powder coating material with excellent high-temperature resistance and wear resistance and a preparation method thereof. Background technique [0002] Ceramic powder coating materials are ceramic materials that have received widespread attention in recent years. Traditional ceramic materials are relatively brittle, and the lack of further processing of ceramic materials also leads to a slight lack of performance in many fields. Nano ceramics are a strategic way to solve the brittleness of ceramics. Nano high temperature resistant ceramic powder coating materials are materials that form high temperature resistant ceramic coatings through chemical reactions. The nano-ceramic material developed by using nano-technology is to use nano-powder to modify the existing ceramics. By adding or generating nano-scale particles, whiskers, wafe...

Claims

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Application Information

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IPC IPC(8): C04B35/14C04B35/622
CPCC04B35/14C04B2235/3206C04B2235/3217C04B2235/3224C04B2235/3232C04B2235/3251C04B2235/3279C04B2235/3826
Inventor 翟红波杨振枢韦洪屹
Owner GUANGXI QINZHOU BEIBU GULF NIXING YUTAO
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