Journal
SCRIPTA MATERIALIA
Volume 68, Issue 9, Pages 667-670Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.01.025
Keywords
Nanocrystalline; 316L stainless steel; Severe plastic deformation; Microstructure; Mechanical properties
Categories
Funding
- Nuclear Regulatory Commission [NRC-38-09-935]
- National Science Foundation (NSF CMMI) [0856626]
- Materials MicroCharacterization Laboratory, Department of Mechanical Engineering and Materials Science, of the Swanson School of Engineering at the University of Pittsburgh
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [0856626] Funding Source: National Science Foundation
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Austenitic stainless steel was severely plastically deformed at room temperature using plane-strain machining for two different processing conditions. Using X-ray diffraction, magnetometry, conventional transmission electron microscopy, including a transmission electron microscope based orientation imaging microscopy technique, and hardness measurements, microstructure changes were related to mechanical properties. The observed hardness increase is attributed to the machining-induced grain refinement and stored strain. Depending on the processing condition, dynamic recovery and recrystallization were observed. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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