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Calorimetric study of carbon partitioning from martensite into austenite

(2010) PHYSICAL REVIEW B. 82(10).
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Abstract
Quenching and partitioning (Q&P) has been developed as a novel steel heat treatment to produce advanced high-strength microstructures consisting of a martensitic matrix containing significant amounts of retained austenite. Austenite stabilization is hypothesized to result from decarburization of the martensite and transport into the austenite. Differential scanning calorimetry was employed to study Q&P microstructures. Two exothermic events were observed when heating a Q& P sample from room temperature to 600 C. An activation energy suggesting a mechanism controlled by carbon diffusion in bcc iron is obtained for the first peak which is believed to be associated with carbon partitioning. The second peak is believed to be associated with austenite decomposition.
Keywords
BAINITE FORMATION, TRIP STEELS, RETAINED AUSTENITE, TRANSFORMATION, IRON, QUENCH, KINETICS

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Citation

Please use this url to cite or link to this publication:

Chicago
De Moor, Emmanuel, Cecilia Föjer, Jan Penning, Amy J Clarke, and John G Speer. 2010. “Calorimetric Study of Carbon Partitioning from Martensite into Austenite.” Physical Review B 82 (10).
APA
De Moor, E., Föjer, C., Penning, J., Clarke, A. J., & Speer, J. G. (2010). Calorimetric study of carbon partitioning from martensite into austenite. PHYSICAL REVIEW B, 82(10).
Vancouver
1.
De Moor E, Föjer C, Penning J, Clarke AJ, Speer JG. Calorimetric study of carbon partitioning from martensite into austenite. PHYSICAL REVIEW B. 2010;82(10).
MLA
De Moor, Emmanuel, Cecilia Föjer, Jan Penning, et al. “Calorimetric Study of Carbon Partitioning from Martensite into Austenite.” PHYSICAL REVIEW B 82.10 (2010): n. pag. Print.
@article{1888930,
  abstract     = {Quenching and partitioning (Q\&P) has been developed as a novel steel heat treatment to produce advanced high-strength microstructures consisting of a martensitic matrix containing significant amounts of retained austenite. Austenite stabilization is hypothesized to result from decarburization of the martensite and transport into the austenite. Differential scanning calorimetry was employed to study Q\&P microstructures. Two exothermic events were observed when heating a Q\& P sample from room temperature to 600 C. An activation energy suggesting a mechanism controlled by carbon diffusion in bcc iron is obtained for the first peak which is believed to be associated with carbon partitioning. The second peak is believed to be associated with austenite decomposition.},
  articleno    = {104210},
  author       = {De Moor, Emmanuel and F{\"o}jer, Cecilia and Penning, Jan and Clarke, Amy J and Speer, John G},
  issn         = {1098-0121},
  journal      = {PHYSICAL REVIEW B},
  keyword      = {BAINITE FORMATION,TRIP STEELS,RETAINED AUSTENITE,TRANSFORMATION,IRON,QUENCH,KINETICS},
  language     = {eng},
  number       = {10},
  pages        = {5},
  title        = {Calorimetric study of carbon partitioning from martensite into austenite},
  url          = {http://dx.doi.org/10.1103/PhysRevB.82.104210},
  volume       = {82},
  year         = {2010},
}

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