Examination of carbon partitioning into austenite during tempering of bainite
Journal Article
·
OSTI ID:1000934
- Los Alamos National Laboratory
- CENIM-CSIC, MADRIS, SPAIN
- ORNL
- CENIM-CSIC, MADRID, SPAIN
The redistribution of carbon after tempering of a novel nanocrystalline bainitic steel consisting of a mixture of supersaturated ferrite and retained austenite, has been analyzed by atom probe tomography. Direct supporting evidence of additional austenite carbon enrichment beyond that initially achieved during the bainite heat treatment was not obtained during subsequent tempering of this high carbon, high silicon steel. Evidence of competing reactions during tempering, such as the formation of carbon clusters in bainitic ferrite that signify the onset of the transitional carbides precipitation, was observed.
- Research Organization:
- Los Alamos National Laboratory (LANL)
- Sponsoring Organization:
- DOE
- DOE Contract Number:
- AC52-06NA25396
- OSTI ID:
- 1000934
- Report Number(s):
- LA-UR-10-01911; LA-UR-10-1911
- Country of Publication:
- United States
- Language:
- English
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