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 140
... spot is found very simply from the relation r1 tan 20 = 19 D ( 5-1 ) where r1 = distance of spot from center of film ( point of incidence of trans- mitted beam ) and D = specimen - to - film distance ( usually 5 cm ) . Adjust- ment of ...
... spot is found very simply from the relation r1 tan 20 = 19 D ( 5-1 ) where r1 = distance of spot from center of film ( point of incidence of trans- mitted beam ) and D = specimen - to - film distance ( usually 5 cm ) . Adjust- ment of ...
Page 216
... spots on the film . If we wished , we could determine the Bragg angle corresponding to each Laue spot from Eq . ( 5-2 ) , but that would be no help in identifying the planes producing that spot , since the wavelength of the diffracted ...
... spots on the film . If we wished , we could determine the Bragg angle corresponding to each Laue spot from Eq . ( 5-2 ) , but that would be no help in identifying the planes producing that spot , since the wavelength of the diffracted ...
Page 248
... spot S is roughly circular , as shown in Fig . 8-30 . Both axes of the spot subtend an angle of approximately 4e at the crystal . We may therefore conclude that the shape of a back - reflection spot is more directly related to the ...
... spot S is roughly circular , as shown in Fig . 8-30 . Both axes of the spot subtend an angle of approximately 4e at the crystal . We may therefore conclude that the shape of a back - reflection spot is more directly related to the ...
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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 cosĀ² 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 sinĀ² 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