Deformation and texture

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Presentation transcript:

Deformation and texture Crystallography H. K. D. H. Bhadeshia Deformation and texture

www.msm.cam.ac.uk/phase-trans/books.html

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slip direction must lie in slip plane maximum shear stress at 45°

Deihl’s rule

A non-random distribution of crystal orientations in a polycrystalline sample is said to be textured.

100 pole figure plotted relative to sample axes

RD 100 pole figure showing “cube” texture TD

pole figure RD TD

Inverse pole figure Due to cubic symmetry, only one triangle needs to be illustrated

Electron back-scattered diffraction

crystallographic structure at fusion line

100 pole figure showing “cube” texture RD 100 pole figure showing “cube” texture TD 30

Euler angles