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Tecnología de deposición por plasma de iones de revestimientos de acero inoxidable resistentes a la corrosión para mantener la composición de materiales consumibles

Resumen

Tipo:
Oferta Tecnológica
Referencia:
11 RU 86FG 3N50
Publicado:
23/06/2015
Caducidad:
30/12/2015
Resumen:
Un instituto de investigación ruso ha desarrollado una tecnología de deposición por plasma de iones para revestimientos de acero inoxidable. Esta tecnología utiliza fuentes helicón de plasma y arco de vacío activado por imanes. El proceso requiere una intensidad de energía 2-3 veces menor y un espacio de producción 5-10 veces menor que los procesos galvánicos. La tecnología permite aplicar revestimientos de múltiples componentes a partir de aleaciones estándar, manteniendo la composición del electrodo consumible en la película. Se buscan socios interesados en establecer acuerdos de cooperación técnica.

Details

Tittle:
Technology of ion plasma deposition of stainless steel corrosion-resistant coatings that maintain the composition of consumable materials
Summary:
A research Institute from Moscow (Russia) developed a technology of ion-plasma deposition of protective stainless steel coatings. The technology makes use of magnet-activated vacuum-arc and helicon sources of plasma. The process executing this technology requires 2-3 times less energy intensity and 5-10 times less production spaces than galvanic process. The Institute seeks partners for technical cooperation.
Description:
Currently existing multicomponent coatings are formed from the single-component flows with use of multiple evaporators. The coatings, made of standard alloys like chromium-nickel stainless steel, brass, bronze and others, cannot be implemented with the known coating devices, because the known vacuum coating technologies - thermal, cathodic, vacuum-arc evaporators and magnetron spraying systems - cause fractionation of consumed material and do not provide preservation of its composition in the film. In case of evaporators, this situation is related to the time-of-flight effects for components of different masses; for magnetron systems - to the effect of selective spraying, when the light components of the target are sprayed with a higher speed.
The developed technology allows spraying multicomponent coatings from a single device with a multicomponent dispensable electrode. This situation greatly simplifies and cheapens the process of formation of multicomponent functional coatings.
The technology is implemented with use of a specially designed magnet-activated vacuum arc source, acting as a generator of plasma flow of the coating film multicomponent material, and a helicon plasma source for preliminary surface preparation and its activation during the coating spraying process. Due to the absence of overheating of the material in the cathode glow before its evaporation and mass transfer in the form of polybasic clusters, the material's composition of the consumable electrode is preserved during formation of the protective anti-corrosive film. The multicomponent coatings made of stainless steel that have unique physical and technical characteristics are formed due to the high density and ion energy in the plasma flow of the coating material and the efficient activation of the processes in the plasma volume and on the base surface. The good adhesion and density of coatings, close to the density of the bulk material, is achieved due to the high level of energy (150 eV) and density (up to 20 ... 30 mA/cm2) of the plasma ion flows of the coating material.
The obtained coating, only 5 µm thick, has protective properties that correspond to those of galvanic zinc. Characteristics of the coatings allow further polishing, stamping, flexure, spot electric welding without violating their protective properties.


Current and Potential Domain of Application:
Advantages and Innovations:

The novelty of the proposed technology lays in the use of specially developed magnet-activated vacuum-arc source in combination with a helicon source of plasma, which allow to apply multicomponent coatings from standard alloys, maintaining the composition of consumable electrode in the film.
As compared to the zinc plating technology, this technology is ecologically clean, it doesn't use and doesn't require further disposal of chemically hazardous substances, and it is 2-3 times less power-consuming.
Unlike well-known vacuum-arc coating technologies, this technology allows to deposit high-quality stainless steel protective coatings to metals and non-conductors at working temperatures lower than 150°C preserving composition of consumable electrode in the coating.
Stage of Development:
Available for demonstration
IPs:
Secret know-how
CommeR Statunts Regarding IPR Status:
The Institute prepares applications for patents of the Russian Federation and Ukraine to file them in 2011.

Partner sought

Type and Role of Partner Sought:
- Type of partner sought: Scientific organizations, industrial enterprises.

- Specific area of activity of the partner:
1. Production activity in various industrial fields, where technological processes of protective coatings deposition are used.
2. Development and commercialization of technological processes of ion-plasma deposition of protective stainless steel coatings for various spheres of industrial production.
3. Marketing activity in the sphere of promotion and commercialization of new innovative technical proposals.

- Task to be performed by the partner sought:
1. Joint performance of technological works, adaptation to realization of concrete technological task, commercialization of joint product.
2. Joint works on improvement of technological process for solution of new production tasks related to deposition of protective stainless steel coatings and commercialization of the product.
Type of Partnership Considered:
Adaptation to specific needs
License Agreement
Testing of new applications

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
No

Keywords

Technology Keywords:
10002006 Ecología
02002002 Recubrimientos