期刊
MATERIALS CHARACTERIZATION
卷 112, 期 -, 页码 238-251出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.matchar.2015.12.019
关键词
Residual stresses; X-ray diffraction; Microstructure; Recovery; Recrystallization; Crystallographic texture
类别
资金
- Polish National Scientific Center (NCN) [UMO-2011/03/N/ST8/04058, DEC-2013/11/B/ST3/03787]
- Polish Ministry of Science and Higher Education (MNiSW)
In this work the recovery and recrystallization processes occurring in ferritic and austenitic steels were studied. To determine the evolution of residual stresses during material annealing the nonlinear sin(2)Psi diffraction method was used and an important relaxation of the macrostresses as well as the microstresses was found in the cold rolled samples subjected to heat treatment. Such relaxation occurs at the beginning of recovery, when any changes of microstructure cannot be detected using other experimental techniques. Stress evolution in the annealed steel samples was correlated with the progress of recovery process, which significantly depends on the value of stacking fault energy. (C) 2015 Elsevier Inc. All rights reserved.
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