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In-situ preparation method of metal fiber reinforced composite film

A metal fiber and reinforced composite technology, which is applied in metal material coating technology, ion implantation plating, gaseous chemical plating, etc., can solve the problem that it is difficult to avoid fiber agglomeration, inseparable from surface engineering technology, complex preparation process, etc. problems, to achieve good application prospects, reduce the difficulty of preparation, and avoid the effect of fiber agglomeration

Inactive Publication Date: 2020-08-07
THE QUARTERMASTER RES INST OF THE GENERAL LOGISTICS DEPT OF THE CPLA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The advantage of the pre-mixing method is that the preparation process is relatively simple, but since the mixing process is usually liquid phase mixing, it is difficult to avoid the problem of fiber agglomeration during the mixing process, which often leads to the generation of pores in the coating, causing cracking of the coating
[0005] Compared with the pre-mixing method, the in-situ composite method can well achieve the uniform dispersion of fibers in the substrate, but its preparation process is more complicated, often inseparable from advanced surface engineering technology (physical vapor deposition or chemical vapor deposition)

Method used

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  • In-situ preparation method of metal fiber reinforced composite film
  • In-situ preparation method of metal fiber reinforced composite film
  • In-situ preparation method of metal fiber reinforced composite film

Examples

Experimental program
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Effect test

Embodiment 1

[0041] Embodiment 1, the preparation of silver wire reinforced composite film

[0042] In this example, a method for preparing an in-situ silver wire reinforced carbon-based composite film is provided. The preparation process mainly includes the following steps:

[0043] Provide a cylindrical 316 stainless steel substrate (25mm×3mm), the upper surface is polished and cleaned with alcohol ultrasonic waves, and then placed on the lower plate sample stage in the reaction chamber, the substrate and the substrate are separated by a non-conductive alumina ceramic pad The lower plate sample stage is spaced (so that the sample is at floating potential). Place the stainless steel active screen mesh cover on the sample. The active screen mesh cover is composed of two parallel targets. The hollow target material below is 316 stainless steel, and the target material above is 99.99% silver plate. The distance between the substrate and the target below is 20 mm, and the distance between the ...

Embodiment 2

[0047] Example 2, Preparation of In-situ Growth Copper Wire Reinforced Carbon-based Composite Film

[0048] This example provides a preparation process for in-situ growth of copper wire reinforced carbon-based composite film, which mainly includes the following steps:

[0049] A silicon substrate is provided, and the surface is ultrasonically cleaned with alcohol, and then placed on the lower plate in the plasma reaction chamber, and the height of the substrate is adjusted with an alumina ceramic block. The configuration of the stainless steel active screen grille is similar to the configuration in Example 1, the lower hollow target is 316 stainless steel, and the upper target is 99.99% copper plate. The distance between the sample and the target below is 20 mm, and the distance between the two targets is 6 mm.

[0050] After the sample is placed, vacuumize the reaction chamber to 0.07mbar, then feed high-purity hydrogen into the chamber, adjust the pressure in the chamber to...

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Abstract

The invention provides an in-situ preparation method of a metal fiber reinforced composite film. Metal fibers (silver, copper, aluminum, tin, platinum and the like) are generated while the thin film is formed through sputtering by means of a plasma assisted chemical vapor deposition method and the catalytic action of carbon plasmas, thereby achieving in-situ preparation of the metal fiber reinforced composite film. The method realizes one-dimensional metal fiber sputtering synthesis and in-situ preparation of the fiber reinforced composite film. The composite structure can adjust the stress state in the thin film and the film toughness, and simultaneously endows the film with excellent electrical conductivity, abrasion reduction performance and the like.

Description

technical field [0001] The invention belongs to the technical field of composite coating preparation, and in particular relates to an in-situ preparation method of a metal fiber reinforced composite film. Background technique [0002] Thin film material science is an important branch of material science. By depositing and adhering a layer of film different from the substrate material on the surface of the substrate, the substrate is endowed with excellent wear resistance, corrosion resistance and surface mechanical properties, and even the parts obtain special thermal and electrical properties. , light, sound, magnetic and other properties. Composite thin film is an important direction of thin film research, which aims to improve the performance of a single thin film or obtain performance that cannot be achieved by a single thin film through composite technology. According to the structure, the composite film can be divided into nanocrystal embedded composite film, nano mul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C16/26C23C16/50C23C14/14C23C14/34
CPCC23C16/26C23C16/50C23C14/14C23C14/34
Inventor 吉小超马天康越黄献聪王刚刘凯峰龙知洲
Owner THE QUARTERMASTER RES INST OF THE GENERAL LOGISTICS DEPT OF THE CPLA
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