Elements of X-ray Diffraction |
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Page 98
... intensity of the beam diffracted at an angle 20 , is therefore 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 ...
... intensity of the beam diffracted at an angle 20 , is therefore 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 ...
Page 124
... intensity of the 111 reflection will be that of the 100 reflection , other things being equal . This relative proportion of planes contributing to the same ... DIFFRACTION 124 [ CHAP . 4 DIFFRACTION II : THE INTENSITIES OF DIFFRACTED BEAMS.
... intensity of the 111 reflection will be that of the 100 reflection , other things being equal . This relative proportion of planes contributing to the same ... DIFFRACTION 124 [ CHAP . 4 DIFFRACTION II : THE INTENSITIES OF DIFFRACTED BEAMS.
Page 132
... intensity of powder pattern lines : I = = \ F \ 2p 1+ cos2 20 sin2 e cose ( 4-12 ) = where I relative integrated intensity ( arbitrary units ) , F = structure factor , p ... DIFFRACTION II : THE INTENSITIES OF DIFFRACTED BEAMS [ CHAP . 4.
... intensity of powder pattern lines : I = = \ F \ 2p 1+ cos2 20 sin2 e cose ( 4-12 ) = where I relative integrated intensity ( arbitrary units ) , F = structure factor , p ... DIFFRACTION II : THE INTENSITIES OF DIFFRACTED BEAMS [ CHAP . 4.
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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