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Martensitic transformation and texturein novel bcc Fe-Mn-Al-Ni-CralloysE

Authors
Publisher
Elsevier Ltd
Publication Date
Volume
10
Identifiers
DOI: 10.1016/j.proeng.2011.04.366
Keywords
  • Fe-Mn-Al-Ni-Cralloys
  • Martensitic Tranformation
  • Texture
  • Variantselection
  • Ebsd

Abstract

Abstract Evolutionsof martensitic transformation and textureduring cold rolling innovel bcc Fe-Mn-Al-Ni-Cr alloyswere studied.X-ray diffraction (XRD)and electron backscattering diffraction (EBSD)analysesrevealed that this alloy undergoes α→ɛ→γ’ martensitic transformation during deformation. At a20% cold rolling strain, most of the α phase transformed into γ’, and the transformed γ’ phase had aKurdjumov-Sachs (K-S)relationship with the parent α phase.Strong { hkl} < 111 > and weak {110} < 001 > transformation textures were formedafter deformation. This texture evolutionappeared to be related tothe variant selectionthat occurredduringthe martensitic transformation.

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