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Deformation processes during tensile straining of ultrafine/nanograined structures formed by reversion in metastable austenitic steels

Misra, R. D. K. and Kumar, B. Ravi and Somani, M. and Karjalainen, P. (2008) Deformation processes during tensile straining of ultrafine/nanograined structures formed by reversion in metastable austenitic steels. SCRIPTA MATERIALIA, 59 (1). pp. 79-82.

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Abstract

The deformation behavior of ultrafine/nanograined (UFG/NG) structures during tensile straining has been examined by electron microscopy in metastable austenitic steels. Special fine-grained structures were obtained by controlled phase-reversion annealing of heavily cold-worked metastable austenite, leading to an excellent tensile strength-ductility combination. Twinning and dislocation glide were identified as the primary deformation mechanisms operating in UFG/NG structures. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Item Type:Article
Uncontrolled Keywords:metastable austenitic stainless steel; ultrafine/nanograined; deformation; structure
Subjects:Engineering > Nanotechnology applications in civil engineering
Engineering > Nanotechnology applications in mechanical engineering
Material Science > Nanofabrication processes and tools
Material Science > Nanostructured materials
ID Code:5943
Deposited By:IoN
Deposited On:13 Apr 2010 09:52
Last Modified:13 Apr 2010 09:52

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