Crystallographic variant selection in {alpha}-{beta} brass

The transformation texture of {alpha}/{beta} brass with a diffusional Widmanstaetten {alpha} growth morphology has been investigated. Electron micrographs and electron backscattered diffraction was used to determine that the orientation relationship between the {beta} phase and the {alpha} associate...

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Bibliographic Details
Published in:Acta materialia 2005-02, Vol.53 (3)
Main Authors: Stanford, N., Bate, P.S.
Format: Article
Language:English
Subjects:
BACKSCATTERING
BRASS
CRYSTALLOGRAPHY
CRYSTALS
ELECTRON DIFFRACTION
GRAIN BOUNDARIES
MATERIALS SCIENCE
ORIENTATION
PHASE TRANSFORMATIONS
TEXTURE
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Description
Summary:The transformation texture of {alpha}/{beta} brass with a diffusional Widmanstaetten {alpha} growth morphology has been investigated. Electron micrographs and electron backscattered diffraction was used to determine that the orientation relationship between the {beta} phase and the {alpha} associated with nucleation at {beta} grain boundaries was 44.3 deg . Crystallographic variant selection was observed across those prior {beta}/{beta} 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 {alpha} in the grain interior.
ISSN:1359-6454
1873-2453
DOI:10.1016/j.actamat.2004.10.043