Influence of stacking fault energy on nanostructure formation under high pressure torsion

Y. H. Zhao; X. Z. Liao; Y. T. Zhu; Z. Horita; T. G. Langdon

doi:10.1016/j.msea.2005.08.074

Influence of stacking fault energy on nanostructure formation under high pressure torsion

Y. H. Zhao, X. Z. Liao, Y. T. Zhu^*, Z. Horita, T. G. Langdon

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

189 Citations (Scopus)

Abstract

Copper, bronze (Cu-10 wt.% Zn) and brass (Cu-30 wt.% Zn) were deformed by high pressure torsion (HPT) under a pressure of 6 GPa for five rotations. The stacking fault energies (SFEs) of copper, bronze and brass are 78, 35 and 14 mJ/m², respectively, and their average grain sizes after the HPT processing were about 84, 54 and 17 nm, respectively. Deformation twins were found in all samples and their densities increased with decreasing SFE. This work demonstrates that under the same conditions of HPT a low SFE promotes the formation of nanostructures and deformation twins. © 2005 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	188-193
Journal	Materials Science and Engineering A
Volume	410-411
Online published	26 Sept 2005
DOIs	https://doi.org/10.1016/j.msea.2005.08.074
Publication status	Published - 25 Nov 2005
Externally published	Yes

Research Keywords

Copper and copper alloys
Deformation twins
High pressure torsion
Microstructure
Stacking fault energy

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10.1016/j.msea.2005.08.074

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title = "Influence of stacking fault energy on nanostructure formation under high pressure torsion",

abstract = "Copper, bronze (Cu-10 wt.% Zn) and brass (Cu-30 wt.% Zn) were deformed by high pressure torsion (HPT) under a pressure of 6 GPa for five rotations. The stacking fault energies (SFEs) of copper, bronze and brass are 78, 35 and 14 mJ/m2, respectively, and their average grain sizes after the HPT processing were about 84, 54 and 17 nm, respectively. Deformation twins were found in all samples and their densities increased with decreasing SFE. This work demonstrates that under the same conditions of HPT a low SFE promotes the formation of nanostructures and deformation twins. {\textcopyright} 2005 Elsevier B.V. All rights reserved.",

keywords = "Copper and copper alloys, Deformation twins, High pressure torsion, Microstructure, Stacking fault energy, Copper and copper alloys, Deformation twins, High pressure torsion, Microstructure, Stacking fault energy, Copper and copper alloys, Deformation twins, High pressure torsion, Microstructure, Stacking fault energy",

author = "Zhao, {Y. H.} and Liao, {X. Z.} and Zhu, {Y. T.} and Z. Horita and Langdon, {T. G.}",

year = "2005",

month = nov,

day = "25",

doi = "10.1016/j.msea.2005.08.074",

language = "English",

volume = "410-411",

pages = "188--193",

journal = "Materials Science and Engineering A",

issn = "0921-5093",

publisher = "Elsevier Ltd.",

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TY - JOUR

T1 - Influence of stacking fault energy on nanostructure formation under high pressure torsion

AU - Zhao, Y. H.

AU - Liao, X. Z.

AU - Zhu, Y. T.

AU - Horita, Z.

AU - Langdon, T. G.

PY - 2005/11/25

Y1 - 2005/11/25

N2 - Copper, bronze (Cu-10 wt.% Zn) and brass (Cu-30 wt.% Zn) were deformed by high pressure torsion (HPT) under a pressure of 6 GPa for five rotations. The stacking fault energies (SFEs) of copper, bronze and brass are 78, 35 and 14 mJ/m2, respectively, and their average grain sizes after the HPT processing were about 84, 54 and 17 nm, respectively. Deformation twins were found in all samples and their densities increased with decreasing SFE. This work demonstrates that under the same conditions of HPT a low SFE promotes the formation of nanostructures and deformation twins. © 2005 Elsevier B.V. All rights reserved.

AB - Copper, bronze (Cu-10 wt.% Zn) and brass (Cu-30 wt.% Zn) were deformed by high pressure torsion (HPT) under a pressure of 6 GPa for five rotations. The stacking fault energies (SFEs) of copper, bronze and brass are 78, 35 and 14 mJ/m2, respectively, and their average grain sizes after the HPT processing were about 84, 54 and 17 nm, respectively. Deformation twins were found in all samples and their densities increased with decreasing SFE. This work demonstrates that under the same conditions of HPT a low SFE promotes the formation of nanostructures and deformation twins. © 2005 Elsevier B.V. All rights reserved.

KW - Copper and copper alloys

KW - Deformation twins

KW - High pressure torsion

KW - Microstructure

KW - Stacking fault energy

KW - Copper and copper alloys

KW - Deformation twins

KW - High pressure torsion

KW - Microstructure

KW - Stacking fault energy

KW - Copper and copper alloys

KW - Deformation twins

KW - High pressure torsion

KW - Microstructure

KW - Stacking fault energy

UR - http://www.scopus.com/inward/record.url?scp=28944451122&partnerID=8YFLogxK

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-28944451122&origin=recordpage

U2 - 10.1016/j.msea.2005.08.074

DO - 10.1016/j.msea.2005.08.074

M3 - RGC 21 - Publication in refereed journal

SN - 0921-5093

VL - 410-411

SP - 188

EP - 193

JO - Materials Science and Engineering A

JF - Materials Science and Engineering A

ER -

Influence of stacking fault energy on nanostructure formation under high pressure torsion

Abstract

Research Keywords

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