Nano Archive

Grain boundary migration during abnormal grain growth in nanocrystalline Ni

Hibbard, G. D. and Radmilovic, V. and Aust, K. T. and Erb, U. (2008) Grain boundary migration during abnormal grain growth in nanocrystalline Ni. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 494 (1-2, Sp. Iss. SI). pp. 232-238.

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Abstract

The transformation mechanisms of abnormal grain growth in nanocrystalline Ni were studied extensively by transmission electron microscopy (TEM). A combination of in situ TEM annealing and ex situ annealing followed by TEM characterization was used. It was observed that grain boundary migration is both spatially and temporally non-uniform; migration occurs in a series of discrete steps, which are followed by periods of stagnation. (C) 2008 Elsevier B.V. All rights reserved.

Item Type:Article
Uncontrolled Keywords:Nanostructured materials; Grain growth; Nickel; In situ electron microscopy
Subjects:Material Science > Functional and hybrid materials
ID Code:6001
Deposited By:IoN
Deposited On:04 Sep 2009 11:37
Last Modified:04 Sep 2009 11:37

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