Tracking: a method for structural characterization of grains in powders or polycrystals

被引：160

作者：

Lauridsen, EM

Schmidt, S

Suter, RM

Poulsen, HF ^{[1
]}

机构：

[1] Riso Natl Lab, Mat Res Dept, DK-4000 Roskilde, Denmark

[2] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA

来源：

JOURNAL OF APPLIED CRYSTALLOGRAPHY | 2001年 / 34卷

关键词：

D O I：

10.1107/S0021889801014170

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A method is presented for fast and non-destructive characterization of the individual grains inside bulk materials (powders or polycrystals). The positions, volumes and orientations of hundreds of grains are determined simultaneously. An extension of the rotation method is employed: a monochromatic beam of high-energy X-rays, focused in one dimension, impinges on the sample and the directions of the diffracted beams are traced by translation of two-dimensional detectors. Algorithms suitable for on-line analysis are described, including a novel indexing approach, where the crystal symmetry is used directly by scanning in Euler space. The method is verified with a simulation of 100 grains.

引用

页码：744 / 750

页数：7

共 17 条

[1]

[Anonymous], 2000, P 21 RIS INT S MAT S

[2] A triple-crystal diffractometer for high-energy synchrotron radiation at the HASYLAB high-field wiggler beamline BW5 [J].