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Method for treating a device with a surface and corresponding device

A technology of physical vapor deposition and metal organics, applied in liquid chemical plating, vacuum evaporation plating, coating, etc., can solve problems such as unsatisfactory devices

Active Publication Date: 2019-01-01
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the currently known methods of processing devices and the corresponding devices are somewhat unsatisfactory.

Method used

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  • Method for treating a device with a surface and corresponding device
  • Method for treating a device with a surface and corresponding device
  • Method for treating a device with a surface and corresponding device

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0025] Aluminum nitrate and phosphorus pentoxide were dissolved in ethanol respectively, and then mixed to obtain a solution with an aluminum ion content of 0.3 mol / liter and a molar ratio of aluminum element to phosphorus element of 1:2, that is, an aluminum phosphate precursor.

[0026] Dissolving bis(acetylacetonate)platinum(II) in acetone to form a saturated solution is a platinum precursor.

example 2

[0028] A 316 stainless steel pipe was vertically immersed in the aluminum phosphate precursor prepared by the method described in Example 1, and then pulled out at a speed of 400 mm per minute. The metal tube was cured in air at a temperature of 110° C. for 5 minutes, then the temperature was raised to 300° C. at a rate of about 60° C. per hour and maintained at 300° C. for about 20 minutes. Both the inner and outer surfaces of the pipe obtained a coating comprising an aluminum phosphate layer.

example 3

[0030] The 316 stainless steel tube with the aluminum phosphate coating obtained by the method described in Example 2 is vertically immersed in the platinum precursor prepared by the method described in Example 1, and then it is taken out from the platinum precursor at a speed of 400 mm per minute . The steel pipes are then wrapped in aluminum foil and placed in the oven. The temperature in the oven was heated from room temperature to 300°C at a rate of 10°C per minute and held at 300°C for 1 hour, followed by cooling to room temperature. A layer of platinum coating is obtained on the aluminum phosphate coating, that is, the coating of the steel pipe includes an aluminum phosphate layer and a platinum layer.

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Abstract

A method used to handle the surface of the surface includes: the precious metal front -drives and aluminum phosphate front drives are applied to the surface, and the heating is heated to obtain the coverage of precious metals and aluminum phosphate on the surface.A corresponding device includes a surface with a cover layer containing precious metals and aluminum phosphate.

Description

technical field [0001] The present technology relates to methods and corresponding devices for processing devices having surfaces. Background technique [0002] Devices, such as lubricating oil supply and / or return components in aircraft propulsion systems, etc., have surfaces that come into contact with oil. As oil ages over time, especially when the engine is turned off hot, with temperatures rising to say 100-400°C, oil in contact with hot surfaces ages more rapidly producing carbonaceous deposits. The carbonaceous substances are easily attached to the surface and are difficult to remove. [0003] Surface treatments of such devices have previously been suggested to reduce and / or facilitate removal of deposits of carbonaceous species. However, currently known methods of processing devices and corresponding devices are somewhat unsatisfactory. Contents of the invention [0004] According to one example, a method for treating a device having a surface comprises applying...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C14/06C23C16/00C23C18/02
Inventor 高绪彬古彦飞钟大龙杰姆斯·安东尼·鲁德韦恩·查尔斯·哈什周琰曲苗王丽敏帕扎雅努尔·拉玛那森·萨勃拉曼尼亚
Owner GENERAL ELECTRIC CO