On measurement of carbon content in retained austenite in a nanostructured bainitic steel

In this study, the carbon content of retained austenite in a nanostructured bainitic steel was measured by atom probe tomography and compared with data derived from the austenite lattice parameter determined by X-ray diffraction. The results provide new evidence about the heterogeneous distribution...

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Bibliographic Details
Published in:Journal of materials science 2012-01, Vol.47 (2), p.1004-1010
Main Authors: Garcia-Mateo, C., Caballero, F. G., Miller, M. K., Jimenez, J. A.
Format: Article
Language:English
Subjects:
ATOMS
AUSTENITE
Bainitic steel
CARBON
Carbon content
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Crystallography and Scattering Methods
Dielectric films
DISTRIBUTION
DUCTILITY
Iron compounds
LATTICE PARAMETERS
MATERIALS SCIENCE
Measurement
MICROSTRUCTURE
Nanostructure
Polymer Sciences
PROBES
Retained austenite
Solid Mechanics
STEELS
Thin films
TOMOGRAPHY
X-RAY DIFFRACTION
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Description
Summary:In this study, the carbon content of retained austenite in a nanostructured bainitic steel was measured by atom probe tomography and compared with data derived from the austenite lattice parameter determined by X-ray diffraction. The results provide new evidence about the heterogeneous distribution of carbon in austenite, a fundamental issue controlling ductility in this type of microstructure.
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-011-5880-2