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High-temperature-resistant solid-film lubricant coating

A technology of lubricating coatings and solid films, applied in the direction of lubricating compositions, etc.

Inactive Publication Date: 2013-01-02
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The object of the present invention is a high temperature resistant solid film lubricating coating, to solve the problem of low applicable temperature of the previous solid lubricating coating, so as to provide The parts of the system provide a solid film lubricating coating that can work for a long time in the air at 500°C or in the fuel medium at the working temperature

Method used

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  • High-temperature-resistant solid-film lubricant coating

Examples

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Comparison scheme
Effect test

Embodiment 1

[0022] Composition of solid film lubricating coatings:

[0023] Silicone resin 50g;

[0024] Graphite 40g;

[0025] Chromium oxide 10g;

[0026] Mixed solvent 65ml.

[0027] The above-mentioned graphite and metal oxide are baked at 200° C., and then the silicone resin and solvent are mixed together, poured into a ball mill jar for ball milling, and mixed uniformly to obtain a lubricant. After the lubricant is coated, it needs to be heated and cured by stepwise heating at 150°C, 200°C, and 250°C, and finally a solid coating with a thickness of 15 μm is obtained.

Embodiment 2

[0029] Composition of solid film lubricating coatings:

[0030] Silicone resin 40g;

[0031] Graphite 45g;

[0032] Chromium oxide 3g;

[0033] Mixed solvent 70ml.

[0034] The above-mentioned graphite and metal oxide are baked at 200° C., and then the silicone resin and solvent are mixed together, poured into a ball mill jar for ball milling, and mixed uniformly to obtain a lubricant. After the lubricant is coated, it needs to be heated and cured by stepwise heating at 150°C, 200°C, and 250°C, and finally a solid coating with a thickness of 20 μm is obtained.

Embodiment 3

[0036] Composition of solid film lubricating coatings:

[0037] Silicone resin 60g;

[0038] Graphite 25g;

[0039] Chromium oxide 15g;

[0040] Mixed solvent 40ml.

[0041] The above-mentioned graphite and metal oxide are baked at 200° C., and then the silicone resin and solvent are mixed together, poured into a ball mill jar for ball milling, and mixed uniformly to obtain a lubricant. After the lubricant is coated, it needs to be heated and cured by stepwise heating at 150°C, 200°C, and 250°C, and finally a solid coating with a thickness of 4 μm is obtained.

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Abstract

The invention provides a high-temperature-resistant solid-film lubricant coating. It is characterized in that the lubricant coating is mainly composed of base material 40-60 g, solid-film lubricant 25-45 g, filler 3-15 g and mixed solvent 40-70 ml. The invention has the advantages of good high temperature resistance, long wear life, good lubrication effect, strong wear resistance, and good rust-proof property.

Description

technical field [0001] The invention relates to solid lubricating coating technology, and in particular provides a high temperature resistant solid film lubricating coating. Background technique [0002] Solid film lubricating coating is a new type of lubricating material in the field of aviation and aerospace in addition to conventional lubricating grease. It is widely used because it can adapt to high temperature, high load, fretting friction and other working conditions that liquid lubricants cannot do. Various types of aircraft systems, engine high-temperature components, airborne equipment and other moving mechanisms that are mainly lubricated and frictional. [0003] The introduction of solid film lubricating coatings on aircraft was the earliest in Europe and the United States, and has a history of decades. With the continuous improvement of the comprehensive performance of aircraft, the requirements for the lubrication and wear resistance of various parts are also ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04
Inventor 徐琪张春刚杨坚王杰杨玲
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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