Unlock instant, AI-driven research and patent intelligence for your innovation.

Preparation method of microcrystalline thick-film medium coating

A technology of dielectric coating and production method, which is applied in the field of production of microcrystalline thick film dielectric coating, and can solve problems such as environment, waste, and time-consuming

Inactive Publication Date: 2017-08-18
颜宏志 +1
View PDF3 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the required dielectric coating needs to reach the standard of 100um thickness. Therefore, if the above method is used, the screen printing coating operation must be repeated five times, and each screen printing coating operation will consume a lot of time, resulting in low production efficiency.
In addition, there is another problem in the production method of this microcrystalline thick film dielectric coating. Since the material is coated by screen printing, it can only be used for flat metal materials. For some curved surfaces Or irregular metal products cannot be coated with this method
Finally, in the current production method, the utilization rate of the paste used is only 75% after the organic solvent volatilizes in the printing operation, causing unnecessary waste and environmental problems

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] In Example 1, calcium-based materials are used as the main raw material, that is, calcium oxide is used as the main raw material, and other inorganic oxides are added, wherein the weight ratio of calcium oxide is 35-50%. The specific plan is as follows:

[0021] In the first step, the inorganic oxide is heated in a smelting furnace and smelted into a molten state. The inorganic oxide raw materials used in this embodiment are as follows: the weight ratio of various components in the raw materials is: calcium oxide 40-50%, silicon dioxide 15-30%, titanium dioxide 5-15%, aluminum oxide 5-10%, oxide Boron 5-10%, cobalt oxide 2-5%, zirconium oxide 2-5%. Preferably: 45% calcium oxide, 25% silicon dioxide, 8% aluminum oxide, 8% boron oxide, 3% cobalt oxide, 5% zirconium oxide, and 6% titanium dioxide.

[0022] In the second step, the molten material heated to a molten state is made into glass-ceramic slag by means of water quenching.

[0023] In the third step, the obtained...

Embodiment 2

[0032] Example 2 adopts the above scheme two as the raw material of the inorganic oxide. details as follows:

[0033] In the first step, the inorganic oxide is heated in a smelting furnace and smelted into a molten state. The inorganic oxide raw materials used in this embodiment are as follows: the weight ratios of various components in the raw materials are barium oxide 45-60%, silicon dioxide 10-25%, titanium dioxide 5-15%, aluminum oxide 2-10%, boron oxide 3-10%, cobalt oxide 2-5%, zirconium oxide 2-5%. Priority barium oxide 50%, silicon dioxide 20%, aluminum oxide 8%, boron oxide 8%, cobalt oxide 3%, zirconia 3%, titanium dioxide 8%

[0034] In the second step, the molten material heated to a molten state is made into glass-ceramic slag by means of water quenching.

[0035] In the third step, the obtained glass-ceramic slag is put into a jet mill and pulverized into powder, and the particle size of the powder is below 300-800 mesh;

[0036] The fourth step is to dope t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention discloses a preparation method of a microcrystalline thick-film medium coating. The method comprises the steps of firstly smelting an inorganic oxide into a molten state at a high temperature; carrying out water quenching on melt to prepare microcrystalline glass slag; crushing the microcrystalline glass slag into powder through a crusher, doping an additive into the powder and fully stirring to obtain microcrystalline ceramic powder; coating the surface of a metal base material with the prepared microcrystalline ceramic powder in an electrostatic powder coating manner; and finally sintering the metal base material to form the microcrystalline thick-film medium coating on the metal base material. The powder is sprayed on the surface of the metal base material in an electrostatic ceramic coating manner, meanwhile, the thickness of the coating on the surface of the metal base material can be adjusted according to the electrostatic size and coating operation can be completed one time, so that the production efficiency is greatly improved. Meanwhile, after the preparation method is adopted, since the electrostatic spraying mode is adopted, the model of the metal base material is not limited, and the preparation method can be applicable to the metal base materials of different models.

Description

technical field [0001] The invention relates to the technical field of manufacturing methods of metal surface coatings, in particular to a manufacturing method of microcrystalline thick-film dielectric coatings. Background technique [0002] In order to prevent corrosion and oxidation of metal materials, a dielectric coating is usually applied to the surface of the metal. There are many materials used in dielectric coatings. DuPont of the United States has developed a microcrystalline thick-film dielectric coating, which uses microcrystalline ceramics as a dielectric coating, which can not only effectively prevent corrosion and oxidation of metal materials, but also has Higher hardness can form a good protective layer on the metal surface, and can also improve the texture of the metal material. The fabrication method of this microcrystalline thick film dielectric coating is as follows: [0003] 1. Mix and sinter a variety of different metal oxide materials (such as calcium...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/00C03C8/20C23D5/04
CPCC03C8/20C03C10/00C23D5/04
Inventor 颜宏志张源锋
Owner 颜宏志