Elements of X-ray DiffractionThis is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. |
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Page 34
... Symmetry . Both Bravais lattices and the real crystals which are built up on them exhibit various kinds of symmetry . A body or structure is said to be symmetrical when its component parts are arranged in such balance , so to speak ...
... Symmetry . Both Bravais lattices and the real crystals which are built up on them exhibit various kinds of symmetry . A body or structure is said to be symmetrical when its component parts are arranged in such balance , so to speak ...
Page 35
... symmetry at all , while a 5 - fold axis or one of higher degree than 6 is impossible , in the sense that unit cells ... symmetry elements is a fundamental property of each crystal system , and one system is dis- tinguished from another ...
... symmetry at all , while a 5 - fold axis or one of higher degree than 6 is impossible , in the sense that unit cells ... symmetry elements is a fundamental property of each crystal system , and one system is dis- tinguished from another ...
Page 242
... symmetry about the primary beam , corresponding to the 2 - fold rotational symmetry of cubic crystals about their ( 110 ) axes . ( Conversely , the observed symmetry of the Laue pattern of a crystal of unknown structure is an indication ...
... symmetry about the primary beam , corresponding to the 2 - fold rotational symmetry of cubic crystals about their ( 110 ) axes . ( Conversely , the observed symmetry of the Laue pattern of a crystal of unknown structure is an indication ...
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Common terms and phrases
absorption coefficient absorption edge alloy analysis angle atomic number austenite axis back-reflection Bragg angle Bragg law Bravais lattice calculated camera chart circle composition constant copper atoms cosē counter cubic curve Debye ring Debye-Scherrer decreases determined diffracted beam diffraction lines diffraction pattern diffractometer direction distance electrons elements equation error example face-centered face-centered cubic factor film fluorescent fluorescent radiation given grain hexagonal incident beam indices integrated intensity lattice parameter Laue method martensite measured metal normal obtained Orthorhombic parallel percent phase photograph pinhole plotted pole figure position powder pattern preferred orientation projection reciprocal lattice reciprocal-lattice reflecting planes relative residual stress rhombohedral rotation sample scattering shown in Fig sinē slit solid solution spacing specimen spectrometer sphere spot stereographic substance surface temperature tetragonal thickness tion transmission unit cell values vector voltage wavelength x-ray diffraction x-ray method x-ray tube zero zone