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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/14161

Title: Radiation-induced segregation in austenitic stainless steel type 304: Effect of high fraction of twin boundaries
Authors: AHMEDABADI, P
KAIN, V
ARORA, K
SAMAJDAR, I
SHARMA, SC
RAVINDRA, S
BHAGWAT, P
Keywords: STRESS-CORROSION CRACKING
ALUMINUM GRAIN-BOUNDARIES
INTERGRANULAR CORROSION
CARBIDE PRECIPITATION
SOLUTE SEGREGATION
SENSITIZATION
304-STAINLESS-STEEL
IRRADIATION
BEHAVIOR
SUSCEPTIBILITY
Issue Date: 2011
Publisher: ELSEVIER SCIENCE SA
Citation: MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,528(25-26)7541-7551
Abstract: The effect of high fraction of twin boundaries on radiation-induced segregation (RIS) in type 304 stainless steel (SS) was investigated using 4.8 MeV proton beam at 300 degrees C. Type 304 SS samples were irradiated to 0.86 and 1.00 displacement per atom (dpa) and characterization of RIS was done using Electrochemical Potentiokinetic Reactivation (EPR) tests at different iepth from the surface. Localized attack on different microstructural features, grain and twin boundaries and in-grain pit-like features, was further evaluated by atomic force microscopy. The results clearly indicated that attack was mostly confined to twin boundaries, implying that the twin boundaries acted as a preferred defect sink. (C) 2011 Elsevier B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.msea.2011.06.066
http://dspace.library.iitb.ac.in/jspui/handle/100/14161
ISSN: 0921-5093
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