The influence of selected parameters on the course of cyclic oxidation of Ti-46A1-7Nb

• Autorzy: Król S. , Małecka J. , Zemčik L.
• Języki publikacji: EN

Abstrakty

EN

The paper presents testing results of cyclic oxidation of Ti-46A1-7Nb based intermetallic alloy taking into account the effect of temperature, surface roughness and the cooling rate of temperature. Oxidation was carried out in air at the temperature between 875°C and 975°C. It was determined that in case of conventional preparation of the surface by grinding to low Ra value (in the research Ra~0,06žm), distinct scale chipping was present at the temperature of 950°C and above. The rise of surface roughness to R,:~6žm results in mass increase in case of oxidation in the temperature of 900°C, whereas it definitely reduces scale chipping in higher temperatures (925°C, 975°C). A slightly higher mass increase of the oxidised alloy including rise of the cooling rate were also determined.

Słowa kluczowe

EN

high temperature corrosion; intermetallic; oxidation kinetics; corrosion resistance

• Wydawca: Politechnika Gdańska
• Czasopismo: Advances in Materials Science
• Rocznik: 2007
• Tom: Vol. 7, nr 4(14)
• Strony: 57--62
• Opis fizyczny: Bibliogr. 12 poz., rys.

Twórcy

autor

Król S.

autor

Małecka J.

autor

Zemčik L.

• Technical University of Opole, Faculty of Mechanical Engineering, Institute of Materials Science, Opole, Poland

Bibliografia

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