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Multi-element alloy coat

A multi-component alloy and coating technology, applied in the direction of coating, metal material coating process, melting spray plating, etc., can solve the problems of tempering softening, inconvenient production and application, and restricting the freedom of alloy composition.

Inactive Publication Date: 2004-05-26
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the traditional alloy coating with "single element as the main constituent element" obviously limits the freedom of alloy composition in its alloy design concept, which will inevitably limit the development of the special microstructure and properties of the alloy.
[0006] Moreover, the traditional alloy coating with "single element as the main component element" often has the phenomenon of temper softening after heat treatment, which causes inconvenience in production and application.

Method used

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Embodiment Construction

[0014] The multi-component alloy coating of the present invention is selected from fourteen elements such as iron, cobalt, nickel, chromium, silicon, aluminum, titanium, vanadium, copper, zirconium, molybdenum, manganese, boron, and carbon, and randomly selects five to ten elements. It consists of two main elements, wherein each main element accounts for 3%-35% of the composition of the multi-element alloy coating, and the thickness of the coating is between 0.05mm and 0.5mm.

[0015] The above-mentioned multi-element alloy coating can be sprayed on the surface of the object to be plated by thermal spraying method (also known as spray method or spraying method) to form a coating. The object to be plated needs to be cleaned (usually by pickling) before spraying. ), roughening (usually using sandblasting), to make the surface of the plated object clean and rough, so as to increase the adhesion of the multi-element alloy coating to the plated object.

[0016] In addition, the coa...

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Abstract

A coated multi-element alloy layer with 0.05-0.5 mm in thickness is prepared from 5-10 elements chosen from Fe, Co, Ni, Cr, Si, Al, Ti, V, Cu, Zr, Mo, Mn B and C through hot spray or spray smelting.

Description

technical field [0001] The invention relates to a multi-element alloy coating, especially a multi-element alloy coating composed of at least five main elements. Background technique [0002] The so-called coating is usually made by grinding the coating material into powder by thermal spraying method (Thermal Spray), injecting the powder into a spray gun driven by electric energy or thermal energy, and passing an appropriate reaction gas into the spray gun, Using the above-mentioned electric energy or thermal energy to make the gas react or the plasma gas to generate high energy, heat and accelerate the coating material, the huge energy melts or semi-melts the powder, the powder is accelerated by the high-speed gas, ejected from the nozzle, and sprayed at high speed Or spray and melt on the plated object to form a coating to enhance the hardness, oxidation resistance or temperature resistance of the plated object. [0003] Due to its different principles, thermal spraying ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/06C23C4/123C23C30/00
Inventor 孙道中许毅中叶均蔚
Owner IND TECH RES INST