Interface interaction and wetting in the Er2O3/(Cu-Al) and Er2O3/(Cu-Ti) systems

M. Aizenshtein; S. Barzilai; N. Froumin; N. Frage

doi:10.1007/s10853-007-2240-3

Interface interaction and wetting in the Er₂O₃/(Cu-Al) and Er₂O₃/(Cu-Ti) systems

M. Aizenshtein, S. Barzilai, N. Froumin, N. Frage

Department of Materials Engineering

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

The wetting behavior and metal-oxide interface interactions in the Er₂O₃/(Cu-Al) and Er₂O₃/(Cu-Ti) systems were investigated at 1,423 K in order to evaluate the compatibility of ceramic crucibles with liquid metals, containing active elements. Pure Cu does not wet Er₂O₃ (Θ ≈ 140°) but the wettability is significantly improved by the addition of Al or Ti. It was established that Er₂O₃ reacts with Ti and Al dissolved in liquid Cu and the wettable spinel ErAlO₃ and ErTiO₃ is formed at the interface. The amount of the released Er from the substrate as a result of the reaction and the depth of the reaction zone beneath the drop are controlled by the thermodynamic properties of liquid solutions.

Original language	English
Pages (from-to)	1259-1264
Number of pages	6
Journal	Journal of Materials Science
Volume	43
Issue number	4
DOIs	https://doi.org/10.1007/s10853-007-2240-3
State	Published - 1 Feb 2008

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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title = "Interface interaction and wetting in the Er2O3/(Cu-Al) and Er2O3/(Cu-Ti) systems",

abstract = "The wetting behavior and metal-oxide interface interactions in the Er2O3/(Cu-Al) and Er2O3/(Cu-Ti) systems were investigated at 1,423 K in order to evaluate the compatibility of ceramic crucibles with liquid metals, containing active elements. Pure Cu does not wet Er2O3 (Θ ≈ 140°) but the wettability is significantly improved by the addition of Al or Ti. It was established that Er2O3 reacts with Ti and Al dissolved in liquid Cu and the wettable spinel ErAlO3 and ErTiO3 is formed at the interface. The amount of the released Er from the substrate as a result of the reaction and the depth of the reaction zone beneath the drop are controlled by the thermodynamic properties of liquid solutions.",

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AU - Aizenshtein, M.

AU - Barzilai, S.

AU - Froumin, N.

AU - Frage, N.

N1 - Funding Information: Acknowledgement This work was supported by a grant from the Israeli Council of High Education and the Israeli Atomic Energy Commission.

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N2 - The wetting behavior and metal-oxide interface interactions in the Er2O3/(Cu-Al) and Er2O3/(Cu-Ti) systems were investigated at 1,423 K in order to evaluate the compatibility of ceramic crucibles with liquid metals, containing active elements. Pure Cu does not wet Er2O3 (Θ ≈ 140°) but the wettability is significantly improved by the addition of Al or Ti. It was established that Er2O3 reacts with Ti and Al dissolved in liquid Cu and the wettable spinel ErAlO3 and ErTiO3 is formed at the interface. The amount of the released Er from the substrate as a result of the reaction and the depth of the reaction zone beneath the drop are controlled by the thermodynamic properties of liquid solutions.

AB - The wetting behavior and metal-oxide interface interactions in the Er2O3/(Cu-Al) and Er2O3/(Cu-Ti) systems were investigated at 1,423 K in order to evaluate the compatibility of ceramic crucibles with liquid metals, containing active elements. Pure Cu does not wet Er2O3 (Θ ≈ 140°) but the wettability is significantly improved by the addition of Al or Ti. It was established that Er2O3 reacts with Ti and Al dissolved in liquid Cu and the wettable spinel ErAlO3 and ErTiO3 is formed at the interface. The amount of the released Er from the substrate as a result of the reaction and the depth of the reaction zone beneath the drop are controlled by the thermodynamic properties of liquid solutions.

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Interface interaction and wetting in the Er₂O₃/(Cu-Al) and Er₂O₃/(Cu-Ti) systems

Abstract

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