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

Journal Article · · Acta Materialia
 [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)

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.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1234321
Journal Information:
Acta Materialia, Vol. 91; ISSN 1359-6454
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 79 works
Citation information provided by
Web of Science

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Cited By (3)

Positron Annihilation Spectroscopy Study of Carbon-Vacancy Interaction in Low-Temperature Bainite journal January 2020
Nanomechanical characterization of nanostructured bainitic steel: Peak Force Microscopy and Nanoindentation with AFM journal November 2015
Hot Deformation and Processing Window Optimization of a 70MnSiCrMo Carbide-Free Bainitic Steel journal March 2017

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