阅读说明：本技术 多用途的热障涂料及其制备方法 (Multipurpose thermal barrier coating and preparation method thereof ) 是由 尹荔松 阳志坤 吴盈华 甘颖俊 何伟健 于 2020-12-30 设计创作，主要内容包括：本发明公开了多用途的热障涂料及其制备方法,其组成重量比为：二氧化锆35-50份、陶瓷粉15-30份、氧化锌10-20份、氧化铈15-30份、氧化硅10-20份、氧化铝5-15份、氧化锰20-30份、氧化铬10-20份和氧化铜10-20份时塑性强度和耐热性最高,本发明多用途的热障涂料及其制备方法,通过在传统的热障涂料中添加陶瓷粉和氧化锰,因此会增加材料的固结增强,而且塑性较好,韧性高,从而可以增加物品表面的强度,以及耐热性,使得热障涂料适用于不同的环境下,从而增加热障涂料适用性。(The invention discloses a multipurpose thermal barrier coating and a preparation method thereof, wherein the multipurpose thermal barrier coating comprises the following components in percentage by weight: the multipurpose thermal barrier coating and the preparation method thereof have the advantages that the ceramic powder and the manganese oxide are added into the traditional thermal barrier coating, so that the consolidation of the material is enhanced, the plasticity is better, the toughness is high, the strength of the surface of an article can be increased, the heat resistance is high, the thermal barrier coating is suitable for different environments, and the applicability of the thermal barrier coating is improved.)

1. The multipurpose thermal barrier coating and the preparation method thereof are characterized in that the weight ratio of the components is as follows;

2. multipurpose thermal barrier coating and method for its preparation according to claim 1, characterized in that: the weight ratio of the components is as follows;

3. multipurpose thermal barrier coating and method for its preparation according to claim 1, characterized in that: the weight ratio of the components is as follows;

4. multipurpose thermal barrier coating and method for its preparation according to claim 1, characterized in that: the weight ratio of the components is as follows;

5. multipurpose thermal barrier coating and method for its preparation according to claim 1, characterized in that:

the method comprises the following steps: mixing ceramic powder and talcum powder according to a proportion, then chopping the mixture by a chopper, adding water, stirring and mixing to obtain a solution A;

step two: mixing zinc oxide, aluminum oxide, manganese oxide, chromium oxide and manganese oxide according to a proportion, then chopping the mixture by a chopper, adding water, stirring and mixing to obtain a solution B;

step three: cutting zirconium dioxide and cerium oxide separately to obtain powder a and powder b;

step four: heating the stirred tank to 60-70 ℃, then putting the stirred tank into the solution A, and adding the powder a after 1 h;

step five: heating the stirred tank to 60-70 ℃, then putting the stirred tank into the solution B, and adding the powder B after 1 h;

step six: and mixing the solutions obtained in the fourth step and the fifth step, heating to 40-60 ℃, and standing for 2H to obtain the thermal barrier coating.

6. Multipurpose thermal barrier coating and method for its preparation according to claim 1, characterized in that: the preparation process of the ceramic powder is as follows: the raw material is heated to gasification by electric arc or plasma, then quenched under the condition of great temperature gradient between heating source and environment, and condensed into powdery particles with the particle size of 5-100 nm.

7. Multipurpose thermal barrier coating and method for its preparation according to claim 6, characterized in that: the preparation process of the talcum powder is as follows:

the method comprises the following steps: crushing the raw materials;

step two: grinding the crushed materials into powder;

step three: pulping the powder obtained in the step two;

step four: wet superfine grinding and stripping are carried out on the materials after pulping;

step five: and drying the material subjected to superfine grinding and stripping in the fourth step and collecting the product.

Technical Field

The invention relates to a thermal barrier coating, in particular to a multipurpose thermal barrier coating and a preparation method thereof, belonging to the technical field of thermal barrier coatings.

Background

The thermal barrier coating protects the metal material by utilizing the heat insulation and corrosion resistance characteristics of the ceramic, not only can improve the combustion efficiency of oil, but also can greatly prolong the service life of an engine, has important application value in the aspects of aviation, aerospace, sea surface ships, large-scale thermal power generation, automobile power and the like, and is one of important technologies in the advanced technical field of modern national defense. The thermal barrier coating material discusses the properties and preparation method of the classic thermal barrier coating material, namely Yttria Stabilized Zirconia (YSZ), and also provides a new idea for the design, selection and modification of the thermal barrier coating material from the perspective of material chemistry, and focuses on the development direction and latest research results of the thermal barrier coating material, and basically reflects the scientific frontier and hot spots in the aspect of new thermal barrier coating materials at home and abroad. The rare earth oxide double-ceramic layer is one of the best ways to develop a thermal barrier coating with the use temperature exceeding 1523K in the future.

The thermal barrier coating in the prior art has low strength, so that the thermal barrier coating on the surface of a finished product is easy to fall off in a long-time use process or a severe use environment.

Disclosure of Invention

The invention aims to provide a multipurpose thermal barrier coating and a preparation method thereof, and aims to solve the problem that the thermal barrier coating on the surface of a finished product is easy to fall off in a long-time use process or a severe use environment in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the multipurpose heat barrier coating and the preparation method thereof comprise the following components in percentage by weight;

as a preferred technical scheme of the invention, the weight ratio of the components is;

as a preferred technical scheme of the invention, the weight ratio of the components is;

as a preferred technical scheme of the invention, the weight ratio of the components is;

as a preferred technical scheme of the invention, the method comprises the following steps: mixing ceramic powder and talcum powder according to a proportion, then chopping the mixture by a chopper, adding water, stirring and mixing to obtain a solution A;

step two: mixing zinc oxide, aluminum oxide, manganese oxide, chromium oxide and manganese oxide according to a proportion, then chopping the mixture by a chopper, adding water, stirring and mixing to obtain a solution B;

step three: cutting zirconium dioxide and cerium oxide separately to obtain powder a and powder b;

step four: heating the stirred tank to 60-70 ℃, then putting the stirred tank into the solution A, and adding the powder a after 1 h;

step five: heating the stirred tank to 60-70 ℃, then putting the stirred tank into the solution B, and adding the powder B after 1 h;

step six: and mixing the solutions obtained in the fourth step and the fifth step, heating to 40-60 ℃, and standing for 2H to obtain the thermal barrier coating.

As a preferred technical scheme of the invention, the preparation process of the ceramic powder comprises the following steps: the raw material is heated to gasification by electric arc or plasma, then quenched under the condition of great temperature gradient between heating source and environment, and condensed into powdery particles with the particle size of 5-100 nm.

As a preferred technical scheme of the invention, the preparation process of the talcum powder is as follows:

the method comprises the following steps: crushing the raw materials;

step two: grinding the crushed materials into powder;

step three: pulping the powder obtained in the step two;

step four: wet superfine grinding and stripping are carried out on the materials after pulping;

step five: and drying the material subjected to superfine grinding and stripping in the fourth step and collecting the product.

Compared with the prior art, the invention has the beneficial effects that: according to the multipurpose thermal barrier coating and the preparation method thereof, ceramic powder and manganese oxide are added into the traditional thermal barrier coating, so that the consolidation of the material is enhanced, the plasticity is good, the toughness is high, the strength and the heat resistance of the surface of an article can be increased, and the thermal barrier coating is suitable for different environments, so that the applicability of the thermal barrier coating is improved.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a multipurpose thermal barrier coating and a preparation method thereof,

the first embodiment is as follows: the weight ratio of the components is as follows;

the method comprises the following steps: mixing ceramic powder and talcum powder according to a proportion, then chopping the mixture by a chopper, adding water, stirring and mixing to obtain a solution A;

step two: mixing zinc oxide, aluminum oxide, manganese oxide, chromium oxide and manganese oxide according to a proportion, then chopping the mixture by a chopper, adding water, stirring and mixing to obtain a solution B;

step three: cutting zirconium dioxide and cerium oxide separately to obtain powder a and powder b;

step four: heating the stirred tank to 60-70 ℃, then putting the stirred tank into the solution A, and adding the powder a after 1 h;

step five: heating the stirred tank to 60-70 ℃, then putting the stirred tank into the solution B, and adding the powder B after 1 h;

step six: and mixing the solutions obtained in the fourth step and the fifth step, heating to 40-60 ℃, and standing for 2H to obtain the thermal barrier coating.

The preparation process of the ceramic powder is as follows: the raw material is heated to gasification by electric arc or plasma, then quenched under the condition of great temperature gradient between heating source and environment, and condensed into powdery particles with the particle size of 5-100 nm.

The preparation process of the talcum powder is as follows:

the method comprises the following steps: crushing the raw materials;

step two: grinding the crushed materials into powder;

step three: pulping the powder obtained in the step two;

step four: wet superfine grinding and stripping are carried out on the materials after pulping;

step five: and drying the material subjected to superfine grinding and stripping in the fourth step and collecting the product.

Example two: the weight ratio of the components is as follows;

the method comprises the following steps: mixing ceramic powder and talcum powder according to a proportion, then chopping the mixture by a chopper, adding water, stirring and mixing to obtain a solution A;

step two: mixing zinc oxide, aluminum oxide, manganese oxide, chromium oxide and manganese oxide according to a proportion, then chopping the mixture by a chopper, adding water, stirring and mixing to obtain a solution B;

step three: cutting zirconium dioxide and cerium oxide separately to obtain powder a and powder b;

step four: heating the stirred tank to 60-70 ℃, then putting the stirred tank into the solution A, and adding the powder a after 1 h;

step five: heating the stirred tank to 60-70 ℃, then putting the stirred tank into the solution B, and adding the powder B after 1 h;

step six: and mixing the solutions obtained in the fourth step and the fifth step, heating to 40-60 ℃, and standing for 2H to obtain the thermal barrier coating.

The preparation process of the ceramic powder is as follows: the raw material is heated to gasification by electric arc or plasma, then quenched under the condition of great temperature gradient between heating source and environment, and condensed into powdery particles with the particle size of 5-100 nm.

The preparation process of the talcum powder is as follows:

the method comprises the following steps: crushing the raw materials;

step two: grinding the crushed materials into powder;

step three: pulping the powder obtained in the step two;

step four: wet superfine grinding and stripping are carried out on the materials after pulping;

step five: and drying the material subjected to superfine grinding and stripping in the fourth step and collecting the product.

Example three: the weight ratio of the components is as follows;

the method comprises the following steps: mixing ceramic powder and talcum powder according to a proportion, then chopping the mixture by a chopper, adding water, stirring and mixing to obtain a solution A;

step two: mixing zinc oxide, aluminum oxide, manganese oxide, chromium oxide and manganese oxide according to a proportion, then chopping the mixture by a chopper, adding water, stirring and mixing to obtain a solution B;

step three: cutting zirconium dioxide and cerium oxide separately to obtain powder a and powder b;

step four: heating the stirred tank to 60-70 ℃, then putting the stirred tank into the solution A, and adding the powder a after 1 h;

step five: heating the stirred tank to 60-70 ℃, then putting the stirred tank into the solution B, and adding the powder B after 1 h;

step six: and mixing the solutions obtained in the fourth step and the fifth step, heating to 40-60 ℃, and standing for 2H to obtain the thermal barrier coating.

The preparation process of the ceramic powder is as follows: the raw material is heated to gasification by electric arc or plasma, then quenched under the condition of great temperature gradient between heating source and environment, and condensed into powdery particles with the particle size of 5-100 nm.

The preparation process of the talcum powder is as follows:

the method comprises the following steps: crushing the raw materials;

step two: grinding the crushed materials into powder;

step three: pulping the powder obtained in the step two;

step four: wet superfine grinding and stripping are carried out on the materials after pulping;

step five: and drying the material subjected to superfine grinding and stripping in the fourth step and collecting the product.

The comprehensive results show that the plastic strength and the heat resistance are highest when 40 parts of zirconium dioxide, 20 parts of ceramic powder, 15 parts of zinc oxide, 20 parts of cerium oxide, 15 parts of silicon oxide, 10 parts of aluminum oxide, 10 parts of talcum powder, 20-30 parts of manganese oxide, 10-20 parts of chromium oxide and 10-20 parts of copper oxide.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.