Journal
SCRIPTA MATERIALIA
Volume 112, Issue -, Pages 19-22Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2015.08.034
Keywords
Nanoindentation; Austenitic stainless steel; Nano-twins
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Funding
- National Natural Science Foundation [51371172]
- Ministry of Science and Technology of China [2012CB932201]
- Shenyang National Laboratory for Materials Science, IMR, CAS [Y4N16F3161]
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Nano-twinned austenite grains were characterized in an austenitic stainless steel by using nanoindentation. The nano-twinned austenite grains exhibit identical elastic modulus with the micro-sized recrystallized austenitic grains. Nanoindentation hardness of the nano-twinned grains is about 4.5 GPa, similar to 1.0 GPa higher than that of the recrystallized grains, but lower than that of the nano-sized grains with the comparable size owing to the presence of twinning partial dislocations. (C) 2015 Elsevier Ltd. All rights reserved.
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