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 325
... extrapolating to 20 = 180 ° . Unfortunately , this curve is not linear and the extrapolation of a nonlinear curve is not accurate . However , it may be shown that if the measured values of a are plotted against certain functions of 0 ...
... extrapolating to 20 = 180 ° . Unfortunately , this curve is not linear and the extrapolation of a nonlinear curve is not accurate . However , it may be shown that if the measured values of a are plotted against certain functions of 0 ...
Page 329
... extrapolation , and the more lines there are with 0 greater than 80 ° , the more precise is the value of a obtained . To increase the number of lines in the back - reflection region , it is common practice to employ unfiltered radiation ...
... extrapolation , and the more lines there are with 0 greater than 80 ° , the more precise is the value of a obtained . To increase the number of lines in the back - reflection region , it is common practice to employ unfiltered radiation ...
Page 338
... extrapolating to a value ao at 0 90 ° . Two different things are accomplished by this pro- cedure : ( a ) systematic errors are eliminated by selection of the proper extrapolation function , and ( b ) random errors are reduced in ...
... extrapolating to a value ao at 0 90 ° . Two different things are accomplished by this pro- cedure : ( a ) systematic errors are eliminated by selection of the proper extrapolation function , and ( b ) random errors are reduced in ...
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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 cos² 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 sin² 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