Direct Observation that Bainite can Grow Below MS

Direct Observation that Bainite can Grow Below MS

In situ simultaneous synchrotron X-ray diffraction and laser scanning confocal microscopy have confirmed that bainite in steels can grow below the martensite start temperature. This observation suggests that the formation curves for bainite in time-temperature-transformation diagrams should be exten...

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Veröffentlicht in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2012-12, Vol.43 (13), p.4984-4988
Hauptverfasser: Kolmskog, Peter, Borgenstam, Annika, Hillert, Mats, Hedström, Peter, Babu, Sudarsanam Suresh, Terasaki, Hidenori, Komizo, Yu-Ichi
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Characterization and Evaluation of Materials
Chemistry and Materials Science
Exact sciences and technology
Materials Science
Metallic Materials
Metals. Metallurgy
Nanotechnology
Structural Materials
Surfaces and Interfaces
Thin Films
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Zusammenfassung:In situ simultaneous synchrotron X-ray diffraction and laser scanning confocal microscopy have confirmed that bainite in steels can grow below the martensite start temperature. This observation suggests that the formation curves for bainite in time-temperature-transformation diagrams should be extended below the martensite start temperature. Furthermore, the implication of this observation on the growth mechanism of bainitic ferrite is discussed.
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-012-1342-y