Low temperature superplasticity of nanocrystalline electrodeposited Ni-Co alloy

G. F. Wang; Kang Cheung Chan; K. F. Zhang

doi:10.1016/j.scriptamat.2005.11.024

Low temperature superplasticity of nanocrystalline electrodeposited Ni-Co alloy

G. F. Wang, Kang Cheung Chan, K. F. Zhang

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

31 Citations (Scopus)

Abstract

The superplasticity of an electrodeposited nanocrystalline Ni-Co alloy with an average grain size of 20 nm was investigated. A maximum elongation of 279% was obtained at a temperature of 773 K and a strain rate of 5 × 10-3s-1, and a significant amount of twinning and dislocation was observed in the deformed specimens. The relatively low superplasticity of the alloy is discussed in terms of its grain growth and accommodation mechanisms.

Original language	English
Pages (from-to)	765-770
Number of pages	6
Journal	Scripta Materialia
Volume	54
Issue number	5
DOIs	https://doi.org/10.1016/j.scriptamat.2005.11.024
Publication status	Published - 1 Mar 2006

Keywords

Low temperature superplasticity
Nanocrystalline microstructure
Ni-Co alloy
Pulse current electrodeposition

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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10.1016/j.scriptamat.2005.11.024

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AU - Chan, Kang Cheung

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N2 - The superplasticity of an electrodeposited nanocrystalline Ni-Co alloy with an average grain size of 20 nm was investigated. A maximum elongation of 279% was obtained at a temperature of 773 K and a strain rate of 5 × 10-3s-1, and a significant amount of twinning and dislocation was observed in the deformed specimens. The relatively low superplasticity of the alloy is discussed in terms of its grain growth and accommodation mechanisms.

AB - The superplasticity of an electrodeposited nanocrystalline Ni-Co alloy with an average grain size of 20 nm was investigated. A maximum elongation of 279% was obtained at a temperature of 773 K and a strain rate of 5 × 10-3s-1, and a significant amount of twinning and dislocation was observed in the deformed specimens. The relatively low superplasticity of the alloy is discussed in terms of its grain growth and accommodation mechanisms.

KW - Low temperature superplasticity

KW - Nanocrystalline microstructure

KW - Ni-Co alloy

KW - Pulse current electrodeposition

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DO - 10.1016/j.scriptamat.2005.11.024

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ER -

Low temperature superplasticity of nanocrystalline electrodeposited Ni-Co alloy

Abstract

Keywords

ASJC Scopus subject areas

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