Microstructure and oxidation behavior of Ti-6Al-2Zr-1Mo-1V-based alloys with Sc addition

W. L. Xiao; D. H. Ping; H. Murakami; Y. Yamabe-Mitarai

doi:10.1016/j.msea.2013.05.019

Microstructure and oxidation behavior of Ti-6Al-2Zr-1Mo-1V-based alloys with Sc addition

W. L. Xiao, D. H. Ping, H. Murakami, Y. Yamabe-Mitarai

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

8 Citations (Scopus)

Abstract

The microstructural evolution, mechanical properties and oxidation behavior of Ti-6Al-2Zr-1Mo-1V-based alloys with 0-3.8wt% Sc additions have been investigated. The Sc addition decreased the β-trans temperature and refined the microstructure of the alloy. Sc partitioned into the α-phase and was depleted in the β-phase with increasing Sc content. This resulted in the formation of a small amount of Sc₂O₃ particles in the high Sc-containing alloys. The Sc addition improved the yield strength at both room temperature and high temperature, whereas refined the oxide products and decreased the oxidation resistance of the base alloy. The oxidation behavior with Sc addition was discussed.

Original language	English
Pages (from-to)	266-272
Number of pages	7
Journal	Materials Science and Engineering A
Volume	580
DOIs	https://doi.org/10.1016/j.msea.2013.05.019
Publication status	Published - 2013 Sep 5
Externally published	Yes

Keywords

Mechanical properties
Microstructure
Near α-Ti alloy
Oxidation
Scandium

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "The microstructural evolution, mechanical properties and oxidation behavior of Ti-6Al-2Zr-1Mo-1V-based alloys with 0-3.8wt% Sc additions have been investigated. The Sc addition decreased the β-trans temperature and refined the microstructure of the alloy. Sc partitioned into the α-phase and was depleted in the β-phase with increasing Sc content. This resulted in the formation of a small amount of Sc2O3 particles in the high Sc-containing alloys. The Sc addition improved the yield strength at both room temperature and high temperature, whereas refined the oxide products and decreased the oxidation resistance of the base alloy. The oxidation behavior with Sc addition was discussed.",

keywords = "Mechanical properties, Microstructure, Near α-Ti alloy, Oxidation, Scandium",

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AU - Xiao, W. L.

AU - Ping, D. H.

AU - Murakami, H.

AU - Yamabe-Mitarai, Y.

PY - 2013/9/5

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N2 - The microstructural evolution, mechanical properties and oxidation behavior of Ti-6Al-2Zr-1Mo-1V-based alloys with 0-3.8wt% Sc additions have been investigated. The Sc addition decreased the β-trans temperature and refined the microstructure of the alloy. Sc partitioned into the α-phase and was depleted in the β-phase with increasing Sc content. This resulted in the formation of a small amount of Sc2O3 particles in the high Sc-containing alloys. The Sc addition improved the yield strength at both room temperature and high temperature, whereas refined the oxide products and decreased the oxidation resistance of the base alloy. The oxidation behavior with Sc addition was discussed.

AB - The microstructural evolution, mechanical properties and oxidation behavior of Ti-6Al-2Zr-1Mo-1V-based alloys with 0-3.8wt% Sc additions have been investigated. The Sc addition decreased the β-trans temperature and refined the microstructure of the alloy. Sc partitioned into the α-phase and was depleted in the β-phase with increasing Sc content. This resulted in the formation of a small amount of Sc2O3 particles in the high Sc-containing alloys. The Sc addition improved the yield strength at both room temperature and high temperature, whereas refined the oxide products and decreased the oxidation resistance of the base alloy. The oxidation behavior with Sc addition was discussed.

KW - Mechanical properties

KW - Microstructure

KW - Near α-Ti alloy

KW - Oxidation

KW - Scandium

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