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Heat-resistant ceramic coating, surface coating and preparation method

A technology of ceramic coatings and surface coatings, applied in coatings, fireproof coatings, etc., to achieve the effects of reducing the difference in thermal expansion and deformation, good resistance to hot air aging, strong adhesion and heat aging resistance

Active Publication Date: 2022-06-10
陕西新兴热喷涂技术有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to improve the anti-aging performance of the heat-insulating nano-composite ceramic coating and solve the problem of low stability of the heat-insulating nano-composite ceramic coating on the metal surface of the bearing box, this application provides A kind of heat-resistant ceramic paint and surface coating and preparation method

Method used

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  • Heat-resistant ceramic coating, surface coating and preparation method
  • Heat-resistant ceramic coating, surface coating and preparation method
  • Heat-resistant ceramic coating, surface coating and preparation method

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0053] Comparative example 3

[0054] Comparative example 4

[0055] Comparative example 5

preparation example 2

[0057] performance test

[0058] In conjunction with Example 1, Example 5 and Example 6, it can be seen that the thermal barrier coating in Example 1 is 8 mm, and it is sprayed in 5 times; the thermal barrier coating in Example 5 is only 2 mm, and it is divided into two times Spraying; the heat-insulating coating in comparative example 6 is 8mm, one-time spraying; Adopt the test piece heat insulation temperature difference that the technology of embodiment 6 makes is less than the test piece heat insulation temperature difference that embodiment 1 makes, rate of temperature rise Slower than the heating rate of the sample made in Example 1, the thermal conductivity is greater than that of the sample made in Example 1.

preparation example 3

[0060] In combination with Example 1 and Comparative Examples 2, 3, and 4, it can be seen that no carbon fiber, ZrO 2 With silicone putty powder, but the weight of the insulation layer mixture remains the same, the other two materials are used to replace the unadded substances, but the lack of any one of these materials will affect the synergistic effect of the three substances, therefore, adopt The samples prepared by the processes of Comparative Examples 2, 3, and 4 are smaller in insulation temperature difference, faster in temperature rise rate, poor in erosion resistance, and larger in thermal conductivity than those prepared in the process of Example 1.

[0061] In conjunction with Example 1 and Comparative Example 5, it can be seen that in the preparation method of Comparative Example 5, the thermal insulation layer was not sprayed, and the heat insulation temperature difference of the sample prepared by the preparation method of Comparative Example 5 was small, and the ...

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Abstract

The invention relates to a heat-resistant ceramic coating, a surface coating and a preparation method, and relates to the technical field of coatings, and the heat-resistant ceramic coating comprises the following raw materials in parts by weight: 25-35 parts of organic silicon resin putty powder, 60-70 parts of high-temperature-resistant oxide and 3-8 parts of carbon fiber; the heat-resistant ceramic coating can be used for preparing a surface coating. The anti-aging performance of the heat-insulating nano-composite ceramic coating can be improved, so that the stability of the heat-insulating nano-composite ceramic coating on the metal surface of the bearing box is improved.

Description

technical field [0001] The application relates to the field of coating technology, more specifically, it relates to a heat-resistant ceramic coating, a surface coating and a preparation method. Background technique [0002] The meter wind tunnel refers to a scientific instrument used in the field of energy science and technology. The compressor is used as the driving system of the continuous transonic wind tunnel. The matching design of its operating performance and the overall performance of the wind tunnel is one of the key technologies in the development of the wind tunnel. , and the bearing box plays a decisive role in the compression performance of the compressor, so the compressor bearing box is extremely important to the overall performance of the wind tunnel and the accuracy of the experimental data. [0003] In the related technology, since the bearing box is set in the high-speed and high-temperature airflow pipeline of the rice wind tunnel, and the normal working ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D7/61
CPCC09D183/04C09D7/61C09D7/70C09D5/18C08K2003/2244C08K2003/2296C08K3/22C08K7/06C08K3/36Y02T50/60
Inventor 尹向阳
Owner 陕西新兴热喷涂技术有限责任公司
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