Phase evolution in laser rapid forming of compositionally graded Ti-Ni alloys

X. Lin; Tai Man Yue; H. O. Yang; W. D. Huang

doi:10.1115/1.3184028

Phase evolution in laser rapid forming of compositionally graded Ti-Ni alloys

X. Lin, Tai Man Yue, H. O. Yang, W. D. Huang

Research output: Journal article publication › Journal article › Academic research › peer-review

14 Citations (Scopus)

Abstract

A graded binary titanium-nickel alloy with a compositional gradient, from elemental Ti to Ti-23.2 at. % Ni, has been successfully deposited using laser rapid forming. A metallurgical study of the phase evolution along the compositional gradient showed that a series of phase evolutions α→ α+β→ α+β+Ti2Ni→ β/B2 +Ti2Ni have occurred. Phase formation and microstructure evolution along the compositional gradient was analyzed by Scheil-Gulliver and eutectic growth models. In particular, the morphology of the β/B2 +Ti2Ni anomalous and coupled eutectic is discussed in detail.

Original language	English
Pages (from-to)	0410021-0410025
Journal	Journal of Engineering Materials and Technology, Transactions of the ASME
Volume	131
Issue number	4
DOIs	https://doi.org/10.1115/1.3184028
Publication status	Published - 1 Oct 2009

Keywords

Functionally graded materials
Laser rapid forming
Microstructure evolution
Nickel
Titanium

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1115/1.3184028

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abstract = "A graded binary titanium-nickel alloy with a compositional gradient, from elemental Ti to Ti-23.2 at. % Ni, has been successfully deposited using laser rapid forming. A metallurgical study of the phase evolution along the compositional gradient showed that a series of phase evolutions α→ α+β→ α+β+Ti2Ni→ β/B2 +Ti2Ni have occurred. Phase formation and microstructure evolution along the compositional gradient was analyzed by Scheil-Gulliver and eutectic growth models. In particular, the morphology of the β/B2 +Ti2Ni anomalous and coupled eutectic is discussed in detail.",

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AU - Yue, Tai Man

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AU - Huang, W. D.

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AB - A graded binary titanium-nickel alloy with a compositional gradient, from elemental Ti to Ti-23.2 at. % Ni, has been successfully deposited using laser rapid forming. A metallurgical study of the phase evolution along the compositional gradient showed that a series of phase evolutions α→ α+β→ α+β+Ti2Ni→ β/B2 +Ti2Ni have occurred. Phase formation and microstructure evolution along the compositional gradient was analyzed by Scheil-Gulliver and eutectic growth models. In particular, the morphology of the β/B2 +Ti2Ni anomalous and coupled eutectic is discussed in detail.

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KW - Laser rapid forming

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Phase evolution in laser rapid forming of compositionally graded Ti-Ni alloys

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Keywords

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