Preparation and coating method of total dose radiation shielding coating layer material

A shielding coating and anti-total dose technology, applied in coatings, epoxy resin coatings, polyurea/polyurethane coatings, etc., can solve problems such as bremsstrahlung, improve bond strength, improve satellite life and reliability , The effect of improving the ability to resist the total dose

Active Publication Date: 2015-10-07
SHANGHAI SATELLITE ENG INST
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Problems solved by technology

The problem to be solved by the present invention is to overcome the bremsstrahlung problem existing in the above-mentioned existing reinforcement materials, thereby providing a kind of s

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  • Preparation and coating method of total dose radiation shielding coating layer material
  • Preparation and coating method of total dose radiation shielding coating layer material
  • Preparation and coating method of total dose radiation shielding coating layer material

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Embodiment Construction

[0024] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0025] refer to figure 2 , in the preparation and coating method of the anti-total dose shielding coating material of the present invention, the composition of the coating is tungsten powder and nickel powder according to the surface density ratio of 3:1, wherein the thickness of the tungsten powder layer is about 0.20-0.30mm , the thickness of the nickel powder layer is 0.15-0.20mm, and the total thickness is 0.35-0.50mm, which is mixed and stirred by purified silicone rubber.

[0026] The role...

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Abstract

The invention discloses a preparation and coating method of a total dose radiation shielding coating layer material. The method concretely comprises the following steps: uniformly mixing a high atomic number material with a high-molecular polymer to obtain a mixed coating A; uniformly mixing a low atomic number material with the high-molecular polymer to obtain a mixed coating B; and coating the mixed coating A on the surface layer of a device shell in order to form a high atomic number material layer, and coating the mixed coating B on the surface of the high atomic number material layer to form a low atomic number material layer. The method for preparing the total dose radiation shielding coating layer material and coating the inner wall of the product shell allows the coating layer of the coating layer material to stand up the emission stage of a spacecraft and in-orbit space environment, and the coating layer greatly improves the space total dose radiation environment resistance of the coated product.

Description

technical field [0001] The invention relates to the field of anti-total dose shielding of aerospace vehicles, in particular to a preparation and coating method of an anti-total dose shielding coating material. Background technique [0002] When the spacecraft is flying in space, the space heavy ions and high-energy particles in the space environment are absorbed by the components and stay in the components. As the total amount increases, the function and performance of the spacecraft will decrease with time. The gradual attenuation will eventually cause the spacecraft to fail to work normally and seriously affect the service life and reliability of the spacecraft. This situation is called the total dose effect. Measures to treat components to slow down or avoid this phenomenon are called anti-total dose hardening measures. The existing anti-total dose reinforcement method is generally to paste heavy metal materials such as lead skin or tantalum skin on the surface of compon...

Claims

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Application Information

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IPC IPC(8): C09D7/12C09D183/04C09D175/04C09D123/06C09D163/00C09D179/08B05D5/00
Inventor 李强靳浩廖明谷涛林小艳陶强
Owner SHANGHAI SATELLITE ENG INST
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