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Inverse Hall–Petch effect and grain boundary sliding controlled flow in nanocrystalline materials

Padmanabhan, K. A. and Dinda, G. P. and Hahn, H. and Gleiter, H. (2007):
Inverse Hall–Petch effect and grain boundary sliding controlled flow in nanocrystalline materials.
In: Materials Science and Engineering: A, Elsevier Science Publishing Company, pp. 462-468, (452-453), ISSN 09215093,
[Online-Edition: http://dx.doi.org/10.1016/j.msea.2006.10.084],
[Article]

Abstract

A simplified procedure for an order of magnitude experimental validation of a recently proposed model for the strain-rate dependent deformation of nanostructured materials is given. The grain size dependence of hardness predicted by the model in the range where the inverse Hall–Petch effect is observed is validated using reliable experimental results. The significance of some related observations is also discussed.

Item Type: Article
Erschienen: 2007
Creators: Padmanabhan, K. A. and Dinda, G. P. and Hahn, H. and Gleiter, H.
Title: Inverse Hall–Petch effect and grain boundary sliding controlled flow in nanocrystalline materials
Language: English
Abstract:

A simplified procedure for an order of magnitude experimental validation of a recently proposed model for the strain-rate dependent deformation of nanostructured materials is given. The grain size dependence of hardness predicted by the model in the range where the inverse Hall–Petch effect is observed is validated using reliable experimental results. The significance of some related observations is also discussed.

Journal or Publication Title: Materials Science and Engineering: A
Number: 452-453
Publisher: Elsevier Science Publishing Company
Uncontrolled Keywords: Inverse Hall–Petch effect, Strain-rate dependent flow, Mesoscopic grain boundary sliding, Grain boundary migration, Rate controlling process/step
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Joint Research Laboratory Nanomaterials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 13 Feb 2013 11:50
Official URL: http://dx.doi.org/10.1016/j.msea.2006.10.084
Identification Number: doi:10.1016/j.msea.2006.10.084
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