Microstructures of Ti50-0.5xNi50-0.5xCux Alloys

Jian Wang; Wei Jin; Mingzhou Cao; Rui Yang

Microstructures of Ti_50-0.5xNi_50-0.5xCu_x Alloys

Jian Wang, Wei Jin, Mingzhou Cao, Rui Yang

CAS - Institute of Metal Research

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

Abstract

By observation and analysis of the microstructures of Ti_50-0.5xNi_50-0.5xCu_x alloys, the effect of the Cu content on microstructures was investigated. When x = 2, the alloy mainly consists of NiTi (B2) phase and there is no CuNiTi phase. When x = 5, there is a little of CuNiTi phase in the microstructure before heat treatment. When x ≥ 10, network-like CuNiTi phase with big size forms. Heat treatment influences the microstructure. When x ≥ 5, a lot of needle-like CuNiTi phase precipitates and distributes dispersedly in NiTi phase after proper heat treatment. The precipitation of CuNiTi phase lowers the transformation temperature.

Original language	English
Pages (from-to)	1177-1181
Number of pages	5
Journal	Jinshu Xuebao/Acta Metallurgica Sinica
Volume	42
Issue number	11
State	Published - Nov 2006
Externally published	Yes

Keywords

Heat treatment
Microstructure
Shape memory
Ti-Ni-Cu

Cite this

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title = "Microstructures of Ti50-0.5xNi50-0.5xCux Alloys",

abstract = "By observation and analysis of the microstructures of Ti50-0.5xNi50-0.5xCux alloys, the effect of the Cu content on microstructures was investigated. When x = 2, the alloy mainly consists of NiTi (B2) phase and there is no CuNiTi phase. When x = 5, there is a little of CuNiTi phase in the microstructure before heat treatment. When x ≥ 10, network-like CuNiTi phase with big size forms. Heat treatment influences the microstructure. When x ≥ 5, a lot of needle-like CuNiTi phase precipitates and distributes dispersedly in NiTi phase after proper heat treatment. The precipitation of CuNiTi phase lowers the transformation temperature.",

keywords = "Heat treatment, Microstructure, Shape memory, Ti-Ni-Cu",

author = "Jian Wang and Wei Jin and Mingzhou Cao and Rui Yang",

year = "2006",

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journal = "Jinshu Xuebao/Acta Metallurgica Sinica",

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TY - JOUR

T1 - Microstructures of Ti50-0.5xNi50-0.5xCux Alloys

AU - Wang, Jian

AU - Jin, Wei

AU - Cao, Mingzhou

AU - Yang, Rui

PY - 2006/11

Y1 - 2006/11

N2 - By observation and analysis of the microstructures of Ti50-0.5xNi50-0.5xCux alloys, the effect of the Cu content on microstructures was investigated. When x = 2, the alloy mainly consists of NiTi (B2) phase and there is no CuNiTi phase. When x = 5, there is a little of CuNiTi phase in the microstructure before heat treatment. When x ≥ 10, network-like CuNiTi phase with big size forms. Heat treatment influences the microstructure. When x ≥ 5, a lot of needle-like CuNiTi phase precipitates and distributes dispersedly in NiTi phase after proper heat treatment. The precipitation of CuNiTi phase lowers the transformation temperature.

AB - By observation and analysis of the microstructures of Ti50-0.5xNi50-0.5xCux alloys, the effect of the Cu content on microstructures was investigated. When x = 2, the alloy mainly consists of NiTi (B2) phase and there is no CuNiTi phase. When x = 5, there is a little of CuNiTi phase in the microstructure before heat treatment. When x ≥ 10, network-like CuNiTi phase with big size forms. Heat treatment influences the microstructure. When x ≥ 5, a lot of needle-like CuNiTi phase precipitates and distributes dispersedly in NiTi phase after proper heat treatment. The precipitation of CuNiTi phase lowers the transformation temperature.

KW - Heat treatment

KW - Microstructure

KW - Shape memory

KW - Ti-Ni-Cu

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M3 - 文章

AN - SCOPUS:33845912463

SN - 0412-1961

VL - 42

SP - 1177

EP - 1181

JO - Jinshu Xuebao/Acta Metallurgica Sinica

JF - Jinshu Xuebao/Acta Metallurgica Sinica

IS - 11

ER -

Microstructures of Ti_50-0.5xNi_50-0.5xCu_x Alloys

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Keywords

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