Elements of X-ray Diffraction |
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Page 198
... peak 100 2 6 8 10 12 14 4 NUMBER OF FOILS REMOVED FIG . 7-15 . Calibration curves of a multichamber Geiger counter for two values of the x - ray tube peak voltage . Cu Ka radiation . Nickel foils , each 0.01 mm thick , used as absorbers ...
... peak 100 2 6 8 10 12 14 4 NUMBER OF FOILS REMOVED FIG . 7-15 . Calibration curves of a multichamber Geiger counter for two values of the x - ray tube peak voltage . Cu Ka radiation . Nickel foils , each 0.01 mm thick , used as absorbers ...
Page 199
... peak voltage of 50 kv . Then , if the wave form is like that shown in Fig . 7-16 , Cu Ka radiation will be emitted during the time intervals tit2 and tзt4 but not during tatą . But if the peak voltage is decreased to 25 kv , Cu Ka ...
... peak voltage of 50 kv . Then , if the wave form is like that shown in Fig . 7-16 , Cu Ka radiation will be emitted during the time intervals tit2 and tзt4 but not during tatą . But if the peak voltage is decreased to 25 kv , Cu Ka ...
Page 448
... peak has the shape of a parabola with a vertical axis , as shown in Fig . 17-13 ( b ) , even when the over - all shape of the line is unsymmetrical . Now the equation y = ax2 + bx + c ( 17-16 ) is the general equation of a parabola ...
... peak has the shape of a parabola with a vertical axis , as shown in Fig . 17-13 ( b ) , even when the over - all shape of the line is unsymmetrical . Now the equation y = ax2 + bx + c ( 17-16 ) is the general equation of a parabola ...
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Common terms and phrases
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 cosē 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 sinē 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