Radial Diffraction in the Diamond Anvil Cell: Methods and Applications

  • Sebastien Merkel
Conference paper
Part of the NATO Science for Peace and Security Series B: Physics and Biophysics book series (NAPSB)


Radial diffraction in the diamond anvil cell is a relevant technique for the study of plastic behavior of materials under high pressure. In this geometry, incident x-rays are perpendicular to the compression direction and we study the distortion of the diffraction rings, as well as variations of diffraction intensities with orientation. Plastic deformation induces local stress heterogeneities that are not properly accounted for in theories relying on elasticity only. Here, I show how those experiments coupled to numerical plasticity models can be used to extract important information, such as the identification of microscopic deformation mechanisms, a measure of the average stress supported by the sample, and a quantification of local stresses.


Radial diffraction texture plasticity stress lattice preferred orientations 


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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  1. 1.Laboratoire de Unité Matériaux et TransformationsUniversité Lille 1, CNRSVilleneuve d’AscqFrance

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