High temperature oxidation-resistant intermetallic coatings sputter-deposited on timetal 834

• Autorzy: Moskalewicz T. , Wendler B. , Czyrska-Filemonowicz A.
• Języki publikacji: EN

Abstrakty

EN

The microstructure and properties of the intermetallic Ti-Al-Ag and Ti-Al-Si-Ag coatings produced on Timetal 834 by magnetron sputtering have been examined. Phase identifications of the coatings were performed by advanced analytical transmission electron microscopy methods on cross-section thin foils prepared by focused ion beam miller. The TEM investigations revealed that both intermetallic coatings are composed from two different sublayers: outer columnar and inner amorphous. It has been found that the scale formed on the surface treated alloy during oxidation at 800°C for 200 h consisting of the inner TiO2 and outer AI2O3 sublayers.

Słowa kluczowe

EN

titanium alloy; intermetallic coatings; microstructure; microhardness; oxidation resistance; TEM

• Wydawca: Politechnika Gdańska
• Czasopismo: Advances in Materials Science
• Rocznik: 2007
• Tom: Vol. 7, nr 3(13)
• Strony: 80--85
• Opis fizyczny: Bibliogr. 9 poz., rys., tab.

Twórcy

autor

Moskalewicz T.

autor

Wendler B.

autor

Czyrska-Filemonowicz A.

• AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Kraków, Poland

Bibliografia

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• 3. Leyens C., Peters M., Hovsepian P.Eh., Lewis D.B., Luo Q., Munz W.-D.: Novel coating systems produced by the combined cathodeic arc unbalanced magnetron sputtering for environmental protection of titanium alloys. Surface and Coatings Technology 155 (2002), pp. 103-111.
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• 5. Trivedi S.P., Das D.K.: Microstructural aspects of plain aluminide and Pt-aluminide coatings on Ti-base alloy IMI-834. Intermetallics 13 (2005), pp. 1122-1133.
• 6. Fox-Rabinovich G.S., Wilkinson D.S., Veldhuis S.C., Dosbaeva G.K., Weatherly G.C.: Oxidation resistant Ti-Al-Cr alloy for protective coating applications. Intermetallics 14 (2006), pp. 189-197.
• 7. Moskalewicz T., Rutkowski B., Wendler B., Smeacetto F., Salvo M., Penkalla H.J., Czyrska-Filemonowicz A.: Microstructure and properties of the protective Ti-Al-Si-Ag coating on Timetal 834. Inżynieria Materiałowa, 2007, in press.
• 8. Moskalewicz T., Grogger W., Czyrska-Filemonowicz A.: Microstructural characterisation of nitrided Timetal 834. Joumal of Microscopy 223 (2006), pp. 195-199.
• 9. Moskalewicz T., Gil A., Czyrska-Filemonowicz A.: Microstructure and properties of the composite Ti-48A1-2Ag layer on Timetal 834. Inzynieria Materialowa (in Polish). 5 (2006), pp. 1144-1147.