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 86
... density . For any crystal , weight of atoms in unit cell Density = ρ = volume of unit cell ΣΑ NV ( 3-6 ) where p = density ( gm / cm3 ) , ZA = sum of the atomic weights of the atoms in the unit cell , N = Avogadro's number , and V ...
... density . For any crystal , weight of atoms in unit cell Density = ρ = volume of unit cell ΣΑ NV ( 3-6 ) where p = density ( gm / cm3 ) , ZA = sum of the atomic weights of the atoms in the unit cell , N = Avogadro's number , and V ...
Page 174
... density is directly proportional to the exposure up to a density of about 1.0 ( which corre- sponds to 10 percent transmission of the incident light ) . Here , " exposure " is defined by the relation Exposure = ( intensity of x - ray ...
... density is directly proportional to the exposure up to a density of about 1.0 ( which corre- sponds to 10 percent transmission of the incident light ) . Here , " exposure " is defined by the relation Exposure = ( intensity of x - ray ...
Page 354
... density and parameter curves will show sudden changes in slope , or even maxima or minima , at the composition x . Furthermore , the x - ray density calculated according to Eq . ( 12-2 ) will no longer agree with the direct density ...
... density and parameter curves will show sudden changes in slope , or even maxima or minima , at the composition x . Furthermore , the x - ray density calculated according to Eq . ( 12-2 ) will no longer agree with the direct density ...
Contents
THE GEOMETRY OF CRYSTALS | 29 |
CHAPTER 3 | 78 |
CHAPTER 4 | 104 |
Copyright | |
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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 circle composition constant cosē counter crystal cubic curve Debye ring Debye-Scherrer decrease determined diffracted beam diffraction lines diffraction pattern diffractometer direction distance electrons elements equation error example face-centered face-centered cubic factor film filter fluorescent fluorescent radiation given grain hexagonal incident beam indices integrated intensity lattice parameter martensite measured metal normal obtained orientation Orthorhombic parallel percent phase photograph pinhole pole figure position powder pattern produced projection pulses rays reciprocal lattice reciprocal-lattice reflecting planes relative residual stress rhombohedral rotation sample scattering shown in Fig sinē slit solid solution spacing specimen spectrometer sphere spots stereographic structure substance surface temperature tetragonal thickness tion transmission twin unit cell values vector voltage wave wavelength x-ray diffraction x-ray method x-ray tube zero zone