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Crystallographic variant selection in α–β brass

Authors
Journal
Acta Materialia
1359-6454
Publisher
Elsevier
Publication Date
Volume
53
Issue
3
Identifiers
DOI: 10.1016/j.actamat.2004.10.043
Keywords
  • Brass
  • Phase Transformation
  • Variant Selection
  • Ebsd
  • Texture

Abstract

Abstract The transformation texture of α/β brass with a diffusional Widmanstätten α growth morphology has been investigated. Electron micrographs and electron backscattered diffraction was used to determine that the orientation relationship between the β phase and the α associated with nucleation at β grain boundaries was 44.3° 〈1 1 6〉. Crystallographic variant selection was observed across those prior β/β grain boundaries, but this has little effect on the transformation texture due to the crystal symmetry. The effect of the crystallographic variant selection on texture is further weakened by nucleation of diffusional transformed α in the grain interior.

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