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Published in: Journal of Materials Science 11/2009

01-06-2009

Microstructural characterization of nanocrystalline nickel produced by surface mechanical attrition treatment

Authors: Wei Li, Ping Liu, Fengcang Ma, Yonghua Rong

Published in: Journal of Materials Science | Issue 11/2009

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Abstract

By means of surface mechanical attrition treatment (SMAT), nanocrystalline surface layers are produced in pure Ni plates. The average crystallite size, root mean square (r.m.s.) microstrain, dislocation density, and stored elastic energy are determined by X-ray diffraction (XRD) line profile analysis. The average crystallite size obtained by XRD is compared with the grain size observed from transmission electron microscopy (TEM) image. The high-resolution TEM (HRTEM) micrograph confirms the presence of high density of dislocations obtained by XRD, and reveals that most of dislocations distribute at the subgrain boundaries with few inside the subgrains.

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Literature
27.
go back to reference Baretzky B, Baro MD, Grabovetskaya GP, Gubicza J et al (2005) Rev Adv Mater Sci 9:45 Baretzky B, Baro MD, Grabovetskaya GP, Gubicza J et al (2005) Rev Adv Mater Sci 9:45
Metadata
Title
Microstructural characterization of nanocrystalline nickel produced by surface mechanical attrition treatment
Authors
Wei Li
Ping Liu
Fengcang Ma
Yonghua Rong
Publication date
01-06-2009
Publisher
Springer US
Published in
Journal of Materials Science / Issue 11/2009
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-009-3386-y

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