Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
Volume 200, Issue -, Pages 390-396Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0168-583X(02)01728-7
Keywords
X-ray diffraction; fiber texture; synchrotron radiation; fiber composite
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Complex fiber composites such as biological materials frequently exhibit local fiber textures which can be determined quantitatively by scanning X-ray microdiffraction techniques. The experimental necessity of keeping the illuminated diffraction volume fixed usually leads to complex diffraction patterns, depending on the orientation of the fiber axis with respect to the direction of the primary X-ray beam. Here, an analytical expression is derived that relates the azimuthal intensity distribution measured with an area detector to the orientation distribution of the fibers within the specimen. The validity of the relation is demonstrated for a single flax fiber, which was investigated by microbeam X-ray diffraction using synchrotron radiation. (C) 2002 Elsevier Science B.V. All rights reserved.
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