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Revestimientos cuasicristalinos con protección térmica y alta resistencia

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOUA20170302002
Publicado:
17/03/2017
Caducidad:
17/03/2018
Resumen:
Un instituto de investigación ucraniano ofrece una tecnología para obtener revestimientos cuasicristalinos con protección térmica y alta resistencia. El instituto ha desarrollado los principios físicos y tecnológicos de producción de estos revestimientos cuasicristalinos de Al-Cu-Fe a partir de polvos utilizando agua de alta presión y dispone de una línea de producción piloto. Se buscan socios industriales y académicos interesados en continuar con el desarrollo y promocionar la tecnología mediante acuerdos de investigación y cooperación técnica.

Details

Tittle:
High strength heat protective quasicrystalline coatings
Summary:
A Ukrainian research institute offers technology for obtaining high strength heat protective quasicrystalline coatings. Physical and technological principles of production of high strength heat protective Al-Cu-Fe quasicrystalline coatings from high-pressure water powders have been developed. A pilot production line has been created. The institute is looking for both industrial and academic partners for further development and promotion under research and technical cooperation .
Description:
Al-Cu-Fe quasicrystalline alloy have a unique combination of high hardness (6-10 GPa), high Young modulus (70-140 GPa), high wear resistance, low friction coefficient at comparatively low density (4.0 g/cm3), good anti-adhesion characteristics and increased corrosion resistance. The special features of electronic structure of the quasicrystals specify their low electrical and thermal conductivity which in combination with high hardness allows to use the Al-Cu-Fe stable quasicrystals as a thermal barriers (the thermal conductivity of Al-Cu-Fe quasicrystals is comparable to the thermal conductivity of the oxide ceramics ZrO2). Due to above-mentioned properties, Al-Cu-Fe quasicrystalline alloy are very promising materials for production of heat protective high strength coatings. Desired type of partnerships are research cooperation agreement and technical cooperation agreement

Advantages and Innovations:
1. Technology provides for the rapid solidification with cooling rate up to 106K/s which is considerably higher than at gas (argon) atomization. This is the environmentally appropriate, explosion-proof technology and is greatly more economical than other methods production of quasicrystalline powders.
2. In contrast to the traditional thermal-sprayed methods (detonation, plasma etc.), which provide formation of final structural state via the solidification of molten powder particles, the high-speed air-fuel spraying made it possible to keep the structural state of initial powders in coatings.
3. In contrast to ceramic heat protective coatings, quasicrystalline coatings have the coefficient of thermal expansion close to the substrate metal (Fe, Al, etc.), that creating the conditions for stability of quasicrystalline coatings during thermal cycling.
Stage of Development:
Available for demonstration
IPs:
Secret Know-how,Patents granted

Partner sought

Type and Role of Partner Sought:
Ukrainian client is looking for joint scientific and technological research and improvement of existing technology.

Client

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

Keywords

Technology Keywords:
02007003 Materiales y polvos cerámicos
02007010 Metals and Alloys
02003006 Prototipos, ensayos y proyectos piloto
02002002 Recubrimientos