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Crystallographic orientation and boundary effects on misorientation development in austenitic stainless steel

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Title Crystallographic orientation and boundary effects on misorientation development in austenitic stainless steel
 
Creator CHAKRABARTY, S
MISHRA, SK
PANT, P
 
Subject Plastic deformation
Misorientation
Twin boundary
Dislocation dynamics simulations
EBSD
STACKING-FAULT ENERGY
GRAIN-BOUNDARIES
FCC METALS
DEFORMATION-BEHAVIOR
TENSILE DEFORMATION
PLASTIC-DEFORMATION
DISLOCATION INTERACTIONS
LATTICE DISLOCATIONS
SLIP TRANSMISSION
ROTATION BEHAVIOR
 
Description Thin foils of austenitic stainless steel were subjected to uniaxial tensile tests, which were interrupted at true strains of 0.05, 0.13, and 0.2. Microstructural analysis was performed (before and after deformation) using EBSD technique and misorientation was calculated with respect to corresponding undeformed grains. It was found that crystallographic orientations and twin and grain boundaries strongly influence the development of misorientation through dislocation accumulation within grains and near boundaries. These observations were corroborated by dislocation dynamics simulations and TEM studies. (C) 2014 Elsevier B.V. All rights reserved.
 
Publisher ELSEVIER SCIENCE SA
 
Date 2014-12-28T17:14:09Z
2014-12-28T17:14:09Z
2014
 
Type Article
 
Identifier MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 617228-234
0921-5093
1873-4936
http://dx.doi.org/10.1016/j.msea.2014.08.058
http://dspace.library.iitb.ac.in/jspui/handle/100/16975
 
Language English