Published: Jan 1974
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To establish a significant correlation between lattice defects and structure-sensitive properties it is frequently desirable to combine various methods of structural analysis which provide supplementary information and have a synergistic effect on the course of study. Such combination methods have been developed in this laboratory. They comprise: (a) selected area X-ray topography, (b) X-ray line profile analysis, (c) anomalous X-ray transmission topography, (d) X-ray double-crystal diffractometry, (e) analysis of plastic and elastic strain distribution by disturbance of X-ray pendellösung fringes (PF), (f) transmission electron microscopy (TEM) of dislocation structure in selected areas of the specimen, and (g) scanning electron microscopy (SEM) of the specimen. Examples of the application of these combination methods are presented that include the tensile and compressive deformation of beryllium crystals, the deformation and fracture of germanium and silicon crystals, and the elucidation of the distribution of microplastic and elastic strains in crack propagation.
X-ray analysis, transmission, scanning, electron microscopy, deformation, fractures (materials), germanium, silicon, beryllium, plastic deformation, elastic properties
Professor, Materials Research Laboratory, College of Engineering, Rutgers University, New Brunswick, N.J.