Development of texture and elastic anisotropy during deformation of hcp metals

Details Development of texture and elastic anisotropy during deformation of hcp metals Development of texture and elastic anisotropy during deformation of hcp metals

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988georl..15...76w&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 15, Jan. 1988, p. 76-79. NSF-supported research.

Physics

30

Anisotropy, Close Packed Lattices, Earth Core, Elastic Deformation, Hexagonal Cells, Metal Crystals, Ductility, Polycrystals, Seismology, Solid Phases, Solidification

Scientific paper

The inner core of the earth most likely consists of epsilon (hcp) iron and shows anisotropy of seismic velocities which could be explained by crystallographic preferred orientation developing during convective flow. This paper summarizes deformation mechanisms in hcp metals and applies the Taylor theory of polycrystal deformation to analogs of epsilon-iron for different strain histories. The pattern of preferred orientation is then used to calculate elastic properties of deformed polycrystals with special emphasis on anisotropy.

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