Elements of X-ray Diffraction |
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Page 80
... zero . The two rays are therefore out of phase . If we add these two imaginary components of the beam together , we find that beam 1 now has the form shown in the upper right of the drawing . If the amplitudes of rays 2 and 3 are each 1 ...
... zero . The two rays are therefore out of phase . If we add these two imaginary components of the beam together , we find that beam 1 now has the form shown in the upper right of the drawing . If the amplitudes of rays 2 and 3 are each 1 ...
Page 98
... zero . It is also zero at an angle 202 where 02 is such that ray N ' from the mth plane below the surface is ( m − 1 ) wavelengths out of phase with ray C ' from the surface plane . It follows that the diffracted intensity at angles ...
... zero . It is also zero at an angle 202 where 02 is such that ray N ' from the mth plane below the surface is ( m − 1 ) wavelengths out of phase with ray C ' from the surface plane . It follows that the diffracted intensity at angles ...
Page 146
... zero , the maximum divergence angle decreases from the value given by Eq . ( 5-4 ) to that given by Eq . ( 5-3 ) and the proportion of parallel rays in the beam and the max- imum convergence angle both approach zero . When h exceeds the ...
... zero , the maximum divergence angle decreases from the value given by Eq . ( 5-4 ) to that given by Eq . ( 5-3 ) and the proportion of parallel rays in the beam and the max- imum convergence angle both approach zero . When h exceeds the ...
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a₁ absorption coefficient absorption edge alloy analysis angle atomic number austenite axis back-reflection Bragg angle Bragg law Bravais lattice calculated camera circle composition constant copper atoms cos² counter 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 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 sin² slit solid solution spacing specimen spectrometer sphere spot stereographic 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