Effect of electroplastic rolling on deformability and oxidation of NiTiNb shape memory alloy

Rufei Zhu; Guoyi Tang; San-Qiang Shi; Mingwang Fu

doi:10.1016/j.jmatprotec.2012.08.001

Effect of electroplastic rolling on deformability and oxidation of NiTiNb shape memory alloy

Rufei Zhu, Guoyi Tang, San-Qiang Shi, Mingwang Fu

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

34 Citations (Scopus)

Abstract

Ni47Ti44Nb9strips were successfully processed by electroplastic rolling at relatively low temperature compared to the traditional hot rolling. The result shows the deformability of Ni47Ti44Nb9is improved by electropulse, with the maximum thickness reduction of 24% in a single pass. X-ray spectrum and TEM analysis indicates the main structure of Ni47Ti44Nb9after electroplastic rolling is polycrystalline and Vickers hardness test shows electropulse can reduce the work hardening. In addition, electroplastic rolling can improve the surface quality of Ni47Ti44Nb9owing to the short heat treatment time and low heat treatment temperature.

Original language	English
Pages (from-to)	30-35
Number of pages	6
Journal	Journal of Materials Processing Technology
Volume	213
Issue number	1
DOIs	https://doi.org/10.1016/j.jmatprotec.2012.08.001
Publication status	Published - 1 Jan 2013

Keywords

Deformability
Oxidation
Shape memory materials

ASJC Scopus subject areas

Ceramics and Composites
Modelling and Simulation
Computer Science Applications
Metals and Alloys
Industrial and Manufacturing Engineering

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10.1016/j.jmatprotec.2012.08.001

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title = "Effect of electroplastic rolling on deformability and oxidation of NiTiNb shape memory alloy",

abstract = "Ni47Ti44Nb9strips were successfully processed by electroplastic rolling at relatively low temperature compared to the traditional hot rolling. The result shows the deformability of Ni47Ti44Nb9is improved by electropulse, with the maximum thickness reduction of 24% in a single pass. X-ray spectrum and TEM analysis indicates the main structure of Ni47Ti44Nb9after electroplastic rolling is polycrystalline and Vickers hardness test shows electropulse can reduce the work hardening. In addition, electroplastic rolling can improve the surface quality of Ni47Ti44Nb9owing to the short heat treatment time and low heat treatment temperature.",

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AU - Zhu, Rufei

AU - Tang, Guoyi

AU - Shi, San-Qiang

AU - Fu, Mingwang

PY - 2013/1/1

Y1 - 2013/1/1

N2 - Ni47Ti44Nb9strips were successfully processed by electroplastic rolling at relatively low temperature compared to the traditional hot rolling. The result shows the deformability of Ni47Ti44Nb9is improved by electropulse, with the maximum thickness reduction of 24% in a single pass. X-ray spectrum and TEM analysis indicates the main structure of Ni47Ti44Nb9after electroplastic rolling is polycrystalline and Vickers hardness test shows electropulse can reduce the work hardening. In addition, electroplastic rolling can improve the surface quality of Ni47Ti44Nb9owing to the short heat treatment time and low heat treatment temperature.

AB - Ni47Ti44Nb9strips were successfully processed by electroplastic rolling at relatively low temperature compared to the traditional hot rolling. The result shows the deformability of Ni47Ti44Nb9is improved by electropulse, with the maximum thickness reduction of 24% in a single pass. X-ray spectrum and TEM analysis indicates the main structure of Ni47Ti44Nb9after electroplastic rolling is polycrystalline and Vickers hardness test shows electropulse can reduce the work hardening. In addition, electroplastic rolling can improve the surface quality of Ni47Ti44Nb9owing to the short heat treatment time and low heat treatment temperature.

KW - Deformability

KW - Oxidation

KW - Shape memory materials

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DO - 10.1016/j.jmatprotec.2012.08.001

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JO - Journal of Materials Processing Technology

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ER -

Effect of electroplastic rolling on deformability and oxidation of NiTiNb shape memory alloy

Abstract

Keywords

ASJC Scopus subject areas

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