International Journal of Material Science and Research

ISSN: 2638-1559


International Conference on Materials Science and Research
November 16-18, 2017 Dubai, UAE

Radio-Crystallographic Study of Titanium Sesquioxide at High Temperature and Vacuum

Chikh-Afir Houria

Unversity des Siences et de la Technology Houari Boumediene, Algeria

DOI: 10.18689/2638-1559.a1.004

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High-temperature X-rays diffractometry is used to study Ti2O3 rhombohedral oxide formed by reduction of titanium dioxide, under vacuum and in the presence of graphite or metallic titanium. The sesquioxide is charac- terrized by a homogeneous field of very low oxygen pressure, both boundary phase appearing independently from one another between 800 and 1715°C. The c/a = 2.660 value for Ti2-xO3 oxidized from of the equivalent hexagonal cell reaches c/a = 2.735 for Ti2O3 reduced form, which does not undergo quenching (c/a = 2.640 at room temperature)