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Inorganic Metal Composite Hydrophobic Film

An inorganic metal and thin film technology, which is applied in the direction of metal material coating process, coating, fusion spraying, etc., can solve the problems of inorganic coating and other problems, and achieve the effect of basically no change in size, high hardness and high finish

Active Publication Date: 2018-06-22
TAIYUAN AERO INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the defects of the existing electroplating layer, organic coating and inorganic coating, the present invention provides an inorganic metal composite hydrophobic film

Method used

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  • Inorganic Metal Composite Hydrophobic Film
  • Inorganic Metal Composite Hydrophobic Film
  • Inorganic Metal Composite Hydrophobic Film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Example 1: Inorganic metal composite hydrophobic film, made of raw materials with the following mass ratios, aluminum powder 13%, lithium oxide 5%, titanium powder 44%, carbon powder 8%, iron powder 18%, silicon dioxide 12% The production process steps are as follows: silicon dioxide, titanium powder, carbon powder and iron powder are mixed in a high temperature furnace and heated to 2600 °C for melting to obtain a melt, then cooled to 2000 °C, and added in proportion to the melt. The aluminum powder and lithium oxide are stirred and melted to make the melt evenly mixed, then continue to heat up to 2400℃ and stir to make the melt evenly dispersed, then cool down and stir to 500℃~600℃ to make the melt into a uniform powder; use boron as auxiliary agent, argon The gas is a protective gas, the workpiece is placed in a high temperature furnace of 500℃~600℃, and the surface of the workpiece is sprayed to form an inorganic metal composite hydrophobic film. The auxiliary agent...

Embodiment 2

[0014] Example 2: Inorganic metal composite hydrophobic film, made of raw materials with the following mass ratios: aluminum powder 17%, lithium oxide 1%, titanium powder 43%, carbon powder 12%, iron powder 17%, silicon dioxide 10% ; Its production process method is with embodiment 1, and each performance index is shown in Table 2.

[0015] Table 2 Various performance indexes of inorganic metal composite hydrophobic films

[0016]

Embodiment 3

[0017] Example 3: An inorganic metal composite hydrophobic film, made of raw materials with the following mass ratios: aluminum powder 15%, lithium oxide 4%, titanium powder 47%, carbon powder 11%, iron powder 15%, silicon dioxide 8%; its production process method is the same as that of Example 1, and each performance index is shown in Table 3.

[0018] Table 3 Various performance indexes of inorganic metal composite hydrophobic films

[0019]

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Abstract

The invention discloses a metal compound high-temperature-resistant film material, particularly relates to an inorganic metal compound hydrophobic film and overcomes the defects of the existing electroplated layer, organic coating and inorganic coating. The inorganic metal compound hydrophobic film is prepared from the following raw materials in percentage by weight: 13-17% of aluminum powder, 1-5% of lithium oxide, 43-47% of titanium powder, 8-12% of carbon powder, 15-20% of iron powder and 8-12% of silicon dioxide. When being sprayed on a metal surface, the inorganic metal compound hydrophobic film disclosed by the invention has the advantages of high temperature resistance, environment corrosion resistance, hydrophobicity, high hardness, high smoothness, basically-invariant size and the like, can replace a partial electroplating process, is used for solving the problem of environment pollution caused by electroplating wastes and can save time, labor and effort. When being used on the surface of an airspeed head, the inorganic metal compound hydrophobic film is remarkable in effect, resistant to 550-DEG C high temperature and good in environment corrosion resistance and has higher conductivity and hardness than an electroplated layer.

Description

technical field [0001] The invention relates to a metal composite type high temperature resistant film material, in particular to an inorganic metal composite hydrophobic film. Background technique [0002] Existing organic coatings are simple to construct, but cause serious environmental pollution and great harm to human health, and cannot withstand high temperatures higher than 350°C; inorganic coatings are difficult to construct, have large dimensional changes, and are quite different from the thermal expansion coefficient of metals. It is not easy to adhere firmly, easy to crack at high temperature, and has poor electrical conductivity; the electroplating production process has great damage to personnel and environmental pollution, high requirements on the surface of parts, harsh selection of matrix materials, insufficient hardness, and easy to scratch. SUMMARY OF THE INVENTION [0003] In order to solve the defects of the existing electroplating layers, organic coatin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C4/123
CPCC22C14/00C22C30/00C22C32/001
Inventor 单勇革赵治平
Owner TAIYUAN AERO INSTR
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