Method for preparing coating powder by adopting plasma vapor deposition process

A plasma gas, vapor deposition technology, applied in coating, ion implantation plating, metal material coating process, etc., to achieve the effect of good dispersion
CN113215533AActive Publication Date: 2021-08-06株洲弗拉德科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
株洲弗拉德科技有限公司
Publication Date
2021-08-06

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Abstract

The invention discloses a method for preparing coating powder by adopting a plasma vapor deposition process. The coating powder comprises a base material and one or more coating materials deposited on the surface of the base material. The preparation method of the coating powder comprises the following steps of: depositing one or more coating materials on the surfaces of base material particles by adopting a plasma enhanced chemical vapor deposition process, wherein the plasma enhanced chemical vapor deposition process is carried out in a fluidized plasma vapor deposition furnace. The base material powder in the invention is in fluidized motion in the vapor deposition process, the coating materials are relatively uniformly distributed in the deposited composite powder in a nano particle form, and the coating materials rapidly generate a compact accumulation layer on the surfaces of the base material particles, so that the base material and the coating are firmly combined together, the composite powder particles are not bonded with one another, and the coating powder has good dispersity.
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Description

technical field

[0001] The invention relates to the technical field of vapor deposition and the technical field of coating powder, and more particularly, relates to a method for preparing coating powder by using a plasma vapor deposition process. Background technique

[0002] Vapor deposition method is one of the main methods for preparing coated composite materials. It passes the source gas into the deposition furnace, and the source gas undergoes thermal decomposition under the action of high temperature, electric field, plasma field, etc., so that the active components are deposited on the substrate. The surface of the material forms a coating composite material, which has the characteristics of simple process and suitable for large-scale production.

[0003] Traditional plasma chemical vapor deposition coating composite materials (PVD coating composite materials) are generally larger products, such as coated blades, coated films, etc.; for coating coating on the surface ...

Claims

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