Lattice expansion of carbon-stabilized expanded austenite

Thomas Strabo Hummelshøj, Thomas Christiansen, Marcel A. J. Somers

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The lattice parameter of expanded austenite was determined as a function of the content of interstitially dissolved carbon in homogeneous, carburized thin stainless steel foils. For the first time this expansion of the face-centered cubic lattice is determined on unstrained austenite. It is found that a linear relation holds between the lattice parameter, a, and the occupancy of the octahedral interstices, yC. The results are compared to other values in the literature and discussed in terms of stressed and unstressed austenite. 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Original languageEnglish
JournalScripta Materialia
Volume63
Issue number7
Pages (from-to)761-763
ISSN1359-6462
DOIs
Publication statusPublished - 2010

Keywords

  • Stainless steels
  • Surface alloying
  • Crystal structure
  • X-ray diffraction (XRD)

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