BEARTEX

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Introduction to BEARTEX

The Berkeley Texture Package BEARTEX provides a set of 30 programs running under the Windows environment to analyze preferred orientation in polycrystalline materials. The system is designed for users who are not texture theoreticians but need quantitative texture data for their applications. BEARTEX is independent of x-ray hardware and many programs can also be used to process neutron and electron diffraction data.

BEARTEX requires Windows 95, Windows 98, Windows 2000 or Windows NT, a 386, 486 or Pentium processor. A math coprocessor is almost a necessity as most of the programs are very numerically intensive. VGA (640 X 480) or Super VGA (800 X 600 or 1024 X 768) color graphics is highly recommended and a HP laser printer for output is suggested.

Beartex is constantly updated. We plan to release a new version in Fall 2003 with some new capabilities for neutron and synchrotron diffraction. Basic features are described in J. Appl. Cryst. 31, 262-269 (1998).

Programs are divided into 5 groups:

1) ACQUIRE are a set of programs related to acquisition of x-ray diffraction data. They may require some special subroutines to interface with your goniometer hardware. Also included are programs for data corrections, both for bulk samples and for thin films.

2) PROCESS is the central core of BEARTEX. It contains programs to calculate ODs and do various operations with the OD.

The programs can be formally divided into two branches, but can be used in any sensible combination: (a) Conventional texture analysis, (b) Single orientation analysis and modeling by standard functions.

(a) Conventional branch

(b) Single orientation branch (only simplest operations)

3) HARMONIC contains some programs using the series expansion method. mainly related to the treatment of individual orientation data, e.g. from SEM-EBSP measurements. These programs are written by Karsten Kunze, ETH.

4) CONVERT includes programs to change file formats, angle conventions, orientations. The file format for pole figure input and graphic representations is the "new" Berkeley format.

5) DISPLAY contains programs for graphic display of texture data on monitor (in colors with possibility to prepare PCX file, contour plots on HP Laser Jet printer or on dot matrix printers.

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How to Download a Demo Version of BEARTEX.

BEARTEX can be downloaded from the web by clicking on the link below. Follow the procedure:

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How to order BEARTEX

The package can be obtained from the University of California at a nominal cost with revenues used to maintain and improve the software. Current price for a single license is $ 1000 for Universities and $ 2000 for Industry and Research Laboratories. A site license can be obtained for the price of two single licenses. Price includes shipping, technical help and free updates for 1 year. Payment is by check or money order in US $. Sorry, Credit Cards can not be accepted at this time. Checks are to be made out to "Regents of the University of California". If you are interested contact wenk@seismo.berkeley.edu or write to Rudy Wenk, Dept. Earth and Planetary Science, University at California, Berkeley CA 94720.

 

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Contact

Hans-Rudolf Wenk
Dept. Geology and Geophysics
U.C. Berkeley CA 94720

wenk@seismo.berkeley.edu

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