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Inorganic metal compound hydrophobic film

An inorganic metal and thin film technology, which is applied in the direction of metal material coating process, coating, melt 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: 2016-05-04
TAIYUAN AERO INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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 compound hydrophobic film
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  • Inorganic metal compound hydrophobic film

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Experimental program
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Effect test

Embodiment 1

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

Embodiment 2

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

[0015] Table 2 Various performance indicators of inorganic metal composite hydrophobic film

[0016]

Embodiment 3

[0017] Embodiment 3: An inorganic-metal composite hydrophobic film is made of the following raw materials in mass ratio: 15% aluminum powder, 4% lithium oxide, 47% titanium powder, 11% carbon powder, 15% iron powder, silicon dioxide 8%; Its production process method is with embodiment 1, and every performance index is shown in Table 3.

[0018] Table 3 Various performance indicators of inorganic metal composite hydrophobic film

[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 high temperature resistant film material, in particular to an inorganic metal composite hydrophobic film. Background technique [0002] Existing organic coatings are easy to construct, but they cause serious environmental pollution, 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 have a large difference in thermal expansion coefficient from metals. It is not easy to adhere firmly, easy to crack at high temperature, and poor in electrical conductivity; the electroplating production process has great damage to personnel and environmental pollution, high requirements on the surface of parts, harsh selection of substrate materials, insufficient hardness, and easy scratches. Contents of the invention [0003] In order to solve the defects of the existing electroplating layer, organic coating an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C30/00C22C32/00C23C4/123C23C4/137C23C4/067
CPCC22C14/00C22C30/00C22C32/001
Inventor 单勇革赵治平
Owner TAIYUAN AERO INSTR
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