Elements of X-ray Diffraction |
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Page 19
... tube through two or more win- dows in the tube housing . Since these windows must be vacuum tight and yet highly transparent to x - rays , they are usually made of beryllium , aluminum , or mica . Although one might think that an x - ray ...
... tube through two or more win- dows in the tube housing . Since these windows must be vacuum tight and yet highly transparent to x - rays , they are usually made of beryllium , aluminum , or mica . Although one might think that an x - ray ...
Page 21
... tubes as there are target metals required ) , and the life of the tube is determined by the life of the filament . In demountable tubes both the filament and the target are accessible for replacement ; burned - out fila- ments can be ...
... tubes as there are target metals required ) , and the life of the tube is determined by the life of the filament . In demountable tubes both the filament and the target are accessible for replacement ; burned - out fila- ments can be ...
Page 22
... tube current and to keep them constant with time . On the credit side , however , gas tubes are the cheapest kind available , require only a simple mechanical pump , and need no filament transformer . They are demountable , which means ...
... tube current and to keep them constant with time . On the credit side , however , gas tubes are the cheapest kind available , require only a simple mechanical pump , and need no filament transformer . They are demountable , which means ...
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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 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