Reactions and phase relations in the Ti-Al-O system

X.L. Li; R. Hillel; F. Teyssandier; S.K. Choi; F.J.J. Loo, van

doi:10.1016/0956-7151(92)90478-W

Reactions and phase relations in the Ti-Al-O system

X.L. Li, R. Hillel, F. Teyssandier, S.K. Choi, F.J.J. Loo, van

Materials and Interface Chemistry

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Abstract

Reactions between titanium and alumina were studied experimentally for Al2O3 substrates with a titanium-based coating and for planar Ti-Al2O3 diffusion couples in the temperature range between 800 and 1100°C. Isothermal sections through the phase diagram were determined by using these results as well as by investigating equilibrated alloys. These experimental sections agree with those calculated from thermodynamic data. The morphology and layer thickness of the observed reactions zones have been explained on the basis of these phase relations, making use of diffusion data from binary systems Ti---O and Ti-Al. The important role of the initial Ti thickness on the type of reaction products has been demonstrated.

Original language	English
Pages (from-to)	3149-3157
Number of pages	9
Journal	Acta Metallurgica et Materialia
Volume	40
Issue number	11
DOIs	https://doi.org/10.1016/0956-7151(92)90478-W
Publication status	Published - 1992

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abstract = "Reactions between titanium and alumina were studied experimentally for Al2O3 substrates with a titanium-based coating and for planar Ti-Al2O3 diffusion couples in the temperature range between 800 and 1100°C. Isothermal sections through the phase diagram were determined by using these results as well as by investigating equilibrated alloys. These experimental sections agree with those calculated from thermodynamic data. The morphology and layer thickness of the observed reactions zones have been explained on the basis of these phase relations, making use of diffusion data from binary systems Ti---O and Ti-Al. The important role of the initial Ti thickness on the type of reaction products has been demonstrated.",

author = "X.L. Li and R. Hillel and F. Teyssandier and S.K. Choi and {Loo, van}, F.J.J.",

year = "1992",

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T1 - Reactions and phase relations in the Ti-Al-O system

AU - Li, X.L.

AU - Hillel, R.

AU - Teyssandier, F.

AU - Choi, S.K.

AU - Loo, van, F.J.J.

PY - 1992

Y1 - 1992

N2 - Reactions between titanium and alumina were studied experimentally for Al2O3 substrates with a titanium-based coating and for planar Ti-Al2O3 diffusion couples in the temperature range between 800 and 1100°C. Isothermal sections through the phase diagram were determined by using these results as well as by investigating equilibrated alloys. These experimental sections agree with those calculated from thermodynamic data. The morphology and layer thickness of the observed reactions zones have been explained on the basis of these phase relations, making use of diffusion data from binary systems Ti---O and Ti-Al. The important role of the initial Ti thickness on the type of reaction products has been demonstrated.

AB - Reactions between titanium and alumina were studied experimentally for Al2O3 substrates with a titanium-based coating and for planar Ti-Al2O3 diffusion couples in the temperature range between 800 and 1100°C. Isothermal sections through the phase diagram were determined by using these results as well as by investigating equilibrated alloys. These experimental sections agree with those calculated from thermodynamic data. The morphology and layer thickness of the observed reactions zones have been explained on the basis of these phase relations, making use of diffusion data from binary systems Ti---O and Ti-Al. The important role of the initial Ti thickness on the type of reaction products has been demonstrated.

U2 - 10.1016/0956-7151(92)90478-W

DO - 10.1016/0956-7151(92)90478-W

M3 - Article

SN - 0956-7151

VL - 40

SP - 3149

EP - 3157

JO - Acta Metallurgica et Materialia

JF - Acta Metallurgica et Materialia

IS - 11

ER -

Reactions and phase relations in the Ti-Al-O system

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