International Tables for Crystallography

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Stress and strain
N. C. Popa. International Tables for Crystallography (2019). Vol. H, ch. 5.2, pp. 538-554  [ doi:10.1107/97809553602060000967 ]

Abstract

This chapter reviews the basic concepts, models, methods and approaches in the investigation of the stress and strain in polycrystalline materials by diffraction. The chapter contains eight sections that can be grouped into three parts. In the first part (Sections 5.2.1–5.2.3), the specific quantities for single crystals and polycrystals are defined, and the mathematical background is discussed. The state of art in the field and the classical models allowing the macrostrain and stress to be determined for most samples are described in the second part (Sections 5.2.4–5.2.6). The third part (Sections 5.2.7 and 5.2.8) discusses modern analysis using generalized spherical harmonics of the shift and breadth of diffraction lines caused by strain in textured polycrystalline samples.


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About International Tables for Crystallography

International Tables for Crystallography is the definitive resource and reference work for crystallography. The multi-volume series comprises articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the structure and properties of materials.