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The Department
of Geology and Geophysics at UC Berkeley, in collaboration with
the Department of Mechanical Engineering, maintains a laboratory
dedicated to the study of preferred orientation (texture) and anisotropy
of polycrystalline materials. Various aspects are measurements,
data analysis and interpretation. Applications include rocks, metals,
polycrystalline films, ceramics, superconductors, biological specimens
(bones, shells). The facilities (x-ray diffraction, EBSP-SEM) are
available to outside users as demand permits. A nominal fee is charged
to offset maintenance costs. We also do limited experiments for
outsiders. Software of x-ray pole figure analysis and ODF calculation
(BEARTEX) is available. In software for neutron diffraction
Rietveld analysis developed in collaboration with Luca Lutterotti
and Siegfried Matthies can be downloaded from the web (MAUD). Software for individual orientation measurements
by EBSP (SEMTEX and MAPTEX) will be introduced shortly. We frequently
host visitors engaged in collaborative projects (See e.g. Recent Publications in Texture Research.). Berkeley
is collaborating with Los Alamos National Laboratory on the UCMRD-HIPPO
Project for neutron diffraction materials analysis.
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