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 36
... Primitive and nonprimitive cells . In any point lattice a unit cell may be chosen in an infinite number of ways and may contain one or more lattice points per cell . It is important to note that unit cells do not “ exist ” as such in a ...
... Primitive and nonprimitive cells . In any point lattice a unit cell may be chosen in an infinite number of ways and may contain one or more lattice points per cell . It is important to note that unit cells do not “ exist ” as such in a ...
Page 117
... ( hun + kvn + lwn ) ] . One such term must be written down for each atom in the unit cell . In general , the summation will be a complex number of the form F = a + ib , where a = N Σfn cos 2π ( hun + 4-4 ] 117 SCATTERING BY A UNIT CELL.
... ( hun + kvn + lwn ) ] . One such term must be written down for each atom in the unit cell . In general , the summation will be a complex number of the form F = a + ib , where a = N Σfn cos 2π ( hun + 4-4 ] 117 SCATTERING BY A UNIT CELL.
Page 317
... unit cell , calculated from the lattice parameters by means of the equations given in Appendix 1 , multiplied by the measured density of the substance equals the weight of all the atoms in the cell . From Eq . ( 3-9 ) , we have PV ΣΑ ...
... unit cell , calculated from the lattice parameters by means of the equations given in Appendix 1 , multiplied by the measured density of the substance equals the weight of all the atoms in the cell . From Eq . ( 3-9 ) , we have PV ΣΑ ...
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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