The effect of plasma torch power on the microstructure and phase composition of alumina coatings

Marcinauskas, L.; Valatkevičius, P.

Artykuł - szczegóły

Tytuł artykułu

The effect of plasma torch power on the microstructure and phase composition of alumina coatings

Autorzy

Marcinauskas L. , Valatkevičius P.

Wybrane pełne teksty z tego czasopisma

Identyfikatory

Warianty tytułu

Języki publikacji

Abstrakty

Alumina coatings were obtained by the atmospheric plasma spraying using Al2O3 nanopowders. The powders were injected into the anode zone of the torch. The microstructures and phase compositions of the coatings were determined by the scanning electron microscopy and X-ray diffraction. The results indicated that the higher the plasma torch power, the lower the surface roughness is. The as-sprayed coatings are composed of ?-Al2O3 and ?-Al2O3, while the original powders were composed of ?-Al2O3 and ?-Al2O3 phases. The amount of ?-Al2O3 in the coatings increases from 56.52% to 100% if the plasma torch power is increased from 3.2 kW to 4.5 kW.

Słowa kluczowe

Al2O3 plasma sprayed coating plasma torch

Wydawca

De Gruyter

Czasopismo

Materials Science Poland

Rocznik

2010

Tom

Vol. 28, No. 2

Strony

451--458

Opis fizyczny

Bibliogr. 26 poz.

Twórcy

autor

Marcinauskas L.

autor

Valatkevičius P.

Physics Department Kaunas University of Technology Studentu 50 LT-51368, Kaunas Lithuania

Bibliografia

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Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-article-BPW7-0013-0026