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 31
... equal axes at right angles Simple P a = = b = c , α = B = Y = 90 ° Body - centered I Face - centered F Tetragonal Three axes at right angles , two equal a = bc , a = ẞ = y = 90 ° Simple Body - centered PL P I Simple Р Orthorhombic Three ...
... equal axes at right angles Simple P a = = b = c , α = B = Y = 90 ° Body - centered I Face - centered F Tetragonal Three axes at right angles , two equal a = bc , a = ẞ = y = 90 ° Simple Body - centered PL P I Simple Р Orthorhombic Three ...
Page 126
... equal the atom spacing in the plane and Na the total length * of the plane . The difference in path length for rays 1 ' and 2 ' scattered by adjacent atoms is given by 81'2 ' = ADCB = a cos 02 = ― a cos 01 a [ cos ( 0-0 ) — cos ( 0B + ...
... equal the atom spacing in the plane and Na the total length * of the plane . The difference in path length for rays 1 ' and 2 ' scattered by adjacent atoms is given by 81'2 ' = ADCB = a cos 02 = ― a cos 01 a [ cos ( 0-0 ) — cos ( 0B + ...
Page 157
... equal to one another and equal to half the angle subtended at the center by the same arc . Suppose that x - rays proceeding in the directions SA and SB encounter a powder speci- men located on the arc AB . Then the rays diffracted by ...
... equal to one another and equal to half the angle subtended at the center by the same arc . Suppose that x - rays proceeding in the directions SA and SB encounter a powder speci- men located on the arc AB . Then the rays diffracted by ...
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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