| Issue |
J. Phys. Colloques
Volume 49, Number C6, Novembre 1988
35th International Field Emission Symposium / 35éme Symposium International d'Emission de Champ
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|---|---|---|
| Page(s) | C6-293 - C6-298 | |
| DOI | https://doi.org/10.1051/jphyscol:1988651 | |
35th International Field Emission Symposium / 35éme Symposium International d'Emission de Champ
J. Phys. Colloques 49 (1988) C6-293-C6-298
DOI: 10.1051/jphyscol:1988651
Department of Physics, Chalmers University of Technology, S-412 96 Göteborg, Sweden
J. Phys. Colloques 49 (1988) C6-293-C6-298
DOI: 10.1051/jphyscol:1988651
MICROSTRUCTURE OF GRANULAR BAINITE
B. JOSEFSSON et H.-O. ANDRÉNDepartment of Physics, Chalmers University of Technology, S-412 96 Göteborg, Sweden
Abstract
A 2.25Cr - 1Mo - 0.1C welded steel having a microstructure described as "granular bainite" has been investigated using optical microscopy, electron microscopy and atom probe field ion microscopy. Granular bainite was found to consist of bainitic ferrite and retained austenite, but no cementite. Grains of ferrite are built up by parallel platelike subgrains - bainitic ferrite. The carbon concentration changes abruptly at the ferrite - retained austenite interface but no diffusion of substitutionals could be detected.