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Title: Low temperature bainitic ferrite: Evidence of carbon super-saturation and tetragonality

Abstract

Experimental evidence indicates that bainitic ferrite formed by transformation at low temperatures (200-350 °C) includes quantities of carbon in solid solution far beyond those expected from para-equilibrium. A change in the conventional symmetry of the bainitic ferrite lattice from cubic to tetragonal explains the abnormal solid solubility detected. This carbon supersaturation was measured by atom probe tomography, and the tetragonality of the bainitic ferrite, was characterized by means of X-ray diffraction analysis and high resolution transmission electron microscopy.

Authors:
 [1];  [1];  [2];  [3];  [1];  [4];  [5];  [2];  [1]
  1. CENIM-CSIC, Madrid (Spain)
  2. National Taiwan Univ., Taipei (Taiwan)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  4. Robert Bosch GmbH, Reutlingen (Germany)
  5. Univ. of Sydney, NSW (Australia)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1234321
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Acta Materialia
Additional Journal Information:
Journal Volume: 91; Journal ID: ISSN 1359-6454
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; tetragonal bainitic ferrite; nanostructured bainite; atom probe tomography; high resolution transmission electron microscopy; x-ray diffraction

Citation Formats

Garcia-Mateo, C., Jimenez, J. A., Yen, Hung-Wei, Miller, Michael K., Morales-Rivas, L, Kuntz, M, Ringer, S. P., Yang, Jer-Ren, and Caballero, Francesca G. Low temperature bainitic ferrite: Evidence of carbon super-saturation and tetragonality. United States: N. p., 2015. Web. doi:10.1016/j.actamat.2015.03.018.
Garcia-Mateo, C., Jimenez, J. A., Yen, Hung-Wei, Miller, Michael K., Morales-Rivas, L, Kuntz, M, Ringer, S. P., Yang, Jer-Ren, & Caballero, Francesca G. Low temperature bainitic ferrite: Evidence of carbon super-saturation and tetragonality. United States. https://doi.org/10.1016/j.actamat.2015.03.018
Garcia-Mateo, C., Jimenez, J. A., Yen, Hung-Wei, Miller, Michael K., Morales-Rivas, L, Kuntz, M, Ringer, S. P., Yang, Jer-Ren, and Caballero, Francesca G. Tue . "Low temperature bainitic ferrite: Evidence of carbon super-saturation and tetragonality". United States. https://doi.org/10.1016/j.actamat.2015.03.018. https://www.osti.gov/servlets/purl/1234321.
@article{osti_1234321,
title = {Low temperature bainitic ferrite: Evidence of carbon super-saturation and tetragonality},
author = {Garcia-Mateo, C. and Jimenez, J. A. and Yen, Hung-Wei and Miller, Michael K. and Morales-Rivas, L and Kuntz, M and Ringer, S. P. and Yang, Jer-Ren and Caballero, Francesca G.},
abstractNote = {Experimental evidence indicates that bainitic ferrite formed by transformation at low temperatures (200-350 °C) includes quantities of carbon in solid solution far beyond those expected from para-equilibrium. A change in the conventional symmetry of the bainitic ferrite lattice from cubic to tetragonal explains the abnormal solid solubility detected. This carbon supersaturation was measured by atom probe tomography, and the tetragonality of the bainitic ferrite, was characterized by means of X-ray diffraction analysis and high resolution transmission electron microscopy.},
doi = {10.1016/j.actamat.2015.03.018},
journal = {Acta Materialia},
number = ,
volume = 91,
place = {United States},
year = {Tue Mar 31 00:00:00 EDT 2015},
month = {Tue Mar 31 00:00:00 EDT 2015}
}

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Works referencing / citing this record:

Positron Annihilation Spectroscopy Study of Carbon-Vacancy Interaction in Low-Temperature Bainite
journal, January 2020

  • Rementeria, Rosalia; Domínguez-Reyes, Ricardo; Capdevila, Carlos
  • Scientific Reports, Vol. 10, Issue 1
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Nanomechanical characterization of nanostructured bainitic steel: Peak Force Microscopy and Nanoindentation with AFM
journal, November 2015

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Hot Deformation and Processing Window Optimization of a 70MnSiCrMo Carbide-Free Bainitic Steel
journal, March 2017