Journal
SCRIPTA MATERIALIA
Volume 46, Issue 1, Pages 7-12Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S1359-6462(01)01187-3
Keywords
austenitic steel; grain boundary segregation; phosphorus; Auger electron spectroscopy; thermodynamics
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The paper presents results of thermodynamic analysis of phosphorus grain boundary segregation in 17Cr12Ni austenitic steel annealed for 1000 h at 923, 973 and 1073 K. With respect to values of compensation temperature tau(P) = 930 K and segregation enthalpy DeltaH(P)(0) = -14.1 kJ/mol the analyzed interfaces were considered to be special grain boundaries. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
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