Neutron diffraction pole figure measurements on iron meteorites

Details Neutron diffraction pole figure measurements on iron meteorites Neutron diffraction pole figure measurements on iron meteorites

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988e%26psl..90....1h&link_type=abstract

Earth and Planetary Science Letters (ISSN 0012-821X), vol. 90, no. 1, Sept. 1988, p. 1-10.

Computer Science

1

Crystal Structure, Iron Meteorites, Meteoritic Composition, Neutron Diffraction, Solid Phases, Crystal Defects, Fracture Mechanics, Kamacite, Nickel, Single Crystals, Twinning

Scientific paper

Neutron diffraction pole figures have been determined for three iron-nickel meteorite samples. Pole figure peaks for the Coahuila and Walker County hexahedrites can be assigned to reflections from a single crystal or to reflections due to 221-plane twinning. For the Gibeon octahedrite specimen, taenite pole figures show that taenite rims have the orientation of the parent gamma-phase. The orientation between kamacite lamellae and taenite rims is deduced. Variation selection is found to occur with the kamacite crystals, indicating the presence of strain during kamacite growth.

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