Recrystallization kinetics of nanostructured copper processed by dynamic plastic deformation

Fengxiang Lin; Yubin Zhang; Wolfgang Pantleon; Dorte Juul Jensen

Recrystallization kinetics of nanostructured copper processed by dynamic plastic deformation

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Abstract

The recrystallization kinetics of nanostructured copper samples processed by dynamic plastic deformation was investigated by electron backscatter diffraction. It was found that the evolution of the recrystallized volume fraction as a function of annealing time has a very low slope (n=0.37) when plotted as an Avrami plot. Various reasons for such a low slope are discussed, including possible recrystallization during storage of samples, and the heterogeneous recrystallization kinetics. The effects of heterogeneous recrystallization kinetics are illustrated by a simplified model with a fast and a slowly recrystallizing region.

Original language	English
Journal	Proceedings of the Risø International Symposium on Materials Science
Volume	33
Pages (from-to)	217-222
ISSN	0907-0079
Publication status	Published - 2012
Event	33rd Risø International Symposium on Materials Science: Nanometals - Status and Perspective - DTU Risø Campus, Roskilde, Denmark Duration: 3 Sept 2012 → 7 Sept 2012

Conference

Conference	33rd Risø International Symposium on Materials Science
Location	DTU Risø Campus
Country/Territory	Denmark
City	Roskilde
Period	03/09/2012 → 07/09/2012

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Proceedings of the 33rd Risø International Symposium on Materials Science : Nanometals - Status and Perspective

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title = "Recrystallization kinetics of nanostructured copper processed by dynamic plastic deformation",

abstract = "The recrystallization kinetics of nanostructured copper samples processed by dynamic plastic deformation was investigated by electron backscatter diffraction. It was found that the evolution of the recrystallized volume fraction as a function of annealing time has a very low slope (n=0.37) when plotted as an Avrami plot. Various reasons for such a low slope are discussed, including possible recrystallization during storage of samples, and the heterogeneous recrystallization kinetics. The effects of heterogeneous recrystallization kinetics are illustrated by a simplified model with a fast and a slowly recrystallizing region.",

keywords = "Lette st{\ae}rke materialer til energiform{\aa}l",

author = "Fengxiang Lin and Yubin Zhang and Wolfgang Pantleon and \{Juul Jensen\}, Dorte",

note = "Proceedings of the 33rd Ris{\o} International Symposium on Materials Science : Nanometals - Status and Perspective; 33rd Ris{\o} International Symposium on Materials Science : Nanometals - Status and Perspective ; Conference date: 03-09-2012 Through 07-09-2012",

year = "2012",

language = "English",

volume = "33",

pages = "217--222",

journal = "Proceedings of the Ris{\o} International Symposium on Materials Science",

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publisher = "Ris{\o} National Laboratory",

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T1 - Recrystallization kinetics of nanostructured copper processed by dynamic plastic deformation

AU - Lin, Fengxiang

AU - Zhang, Yubin

AU - Pantleon, Wolfgang

AU - Juul Jensen, Dorte

N1 - Proceedings of the 33rd Risø International Symposium on Materials Science : Nanometals - Status and Perspective

PY - 2012

Y1 - 2012

N2 - The recrystallization kinetics of nanostructured copper samples processed by dynamic plastic deformation was investigated by electron backscatter diffraction. It was found that the evolution of the recrystallized volume fraction as a function of annealing time has a very low slope (n=0.37) when plotted as an Avrami plot. Various reasons for such a low slope are discussed, including possible recrystallization during storage of samples, and the heterogeneous recrystallization kinetics. The effects of heterogeneous recrystallization kinetics are illustrated by a simplified model with a fast and a slowly recrystallizing region.

AB - The recrystallization kinetics of nanostructured copper samples processed by dynamic plastic deformation was investigated by electron backscatter diffraction. It was found that the evolution of the recrystallized volume fraction as a function of annealing time has a very low slope (n=0.37) when plotted as an Avrami plot. Various reasons for such a low slope are discussed, including possible recrystallization during storage of samples, and the heterogeneous recrystallization kinetics. The effects of heterogeneous recrystallization kinetics are illustrated by a simplified model with a fast and a slowly recrystallizing region.

KW - Lette stærke materialer til energiformål

M3 - Conference article

SN - 0907-0079

VL - 33

SP - 217

EP - 222

JO - Proceedings of the Risø International Symposium on Materials Science

JF - Proceedings of the Risø International Symposium on Materials Science

T2 - 33rd Risø International Symposium on Materials Science

Y2 - 3 September 2012 through 7 September 2012

ER -

Recrystallization kinetics of nanostructured copper processed by dynamic plastic deformation

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