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      Observation of deformation twinning and martensitic transformation during nanoindentation of a transformation-induced plasticity steel

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          Abstract

          For the first time, deformation twinning and martensitic transformation were observed in retained austenite in a low-alloyed transformation-induced plasticity steel using nanoindentation in conjunction with electron backscattering diffraction and transmission electron microscopy. Dislocation glide, martensite formation and deformation twinning were correlated to pop-ins and deviation from linearity in the load-displacement curve. Deformation twinning was found to enhance the stability of retained austenite. This observation furthers our understanding of RA stability during straining of low-alloyed multiphase TRIP steel.

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          High strength Fe–Mn–(Al, Si) TRIP/TWIP steels development — properties — application

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            Non-linear deformation mechanisms during nanoindentation

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              Anomalous plastic deformation at surfaces: Nanoindentation of gold single crystals

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                Author and article information

                Contributors
                zx868@uowmail.edu.au
                Journal
                Sci Rep
                Sci Rep
                Scientific Reports
                Nature Publishing Group UK (London )
                2045-2322
                12 December 2017
                12 December 2017
                2017
                : 7
                : 17397
                Affiliations
                [1 ]ISNI 0000 0004 0486 528X, GRID grid.1007.6, School of Mechanical, , Materials and Mechatronic Engineering, University of Wollongong, ; Wollongong, NSW 2522 Australia
                [2 ]ISNI 0000 0004 0486 528X, GRID grid.1007.6, Electron Microscopy Centre, , University of Wollongong, ; Wollongong, NSW 2519 Australia
                Author information
                http://orcid.org/0000-0002-1881-004X
                Article
                17824
                10.1038/s41598-017-17824-x
                5727110
                9d0d93ca-a369-4e8e-8422-482714cfb045
                © The Author(s) 2017

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

                History
                : 26 September 2017
                : 30 November 2017
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