Elements of X-ray Diffraction |
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Page 35
Bernard Dennis Cullity. kinds of axes . In general , rotation axes may be 1- , 2- , 3- , 4- , or 6 - fold . A 1 - fold axis indicates no symmetry at all , while a 5 - fold axis or one of higher degree than 6 is impossible , in the sense ...
Bernard Dennis Cullity. kinds of axes . In general , rotation axes may be 1- , 2- , 3- , 4- , or 6 - fold . A 1 - fold axis indicates no symmetry at all , while a 5 - fold axis or one of higher degree than 6 is impossible , in the sense ...
Page 69
... axis lying in the plane of the projection is performed by , first , rotating the axis about the center of the Wulff net until it coin- cides with the north - south axis if it does not already do so , and , second , moving the poles ...
... axis lying in the plane of the projection is performed by , first , rotating the axis about the center of the Wulff net until it coin- cides with the north - south axis if it does not already do so , and , second , moving the poles ...
Page 241
... axis to bring this point onto the vertical axis of the underlying Wulff net . ( In Fig . 8-23 , the latitude and longitude lines of this net have been omitted for clarity . ) The crystal is now in Position 2 , shown by open symbols ...
... axis to bring this point onto the vertical axis of the underlying Wulff net . ( In Fig . 8-23 , the latitude and longitude lines of this net have been omitted for clarity . ) The crystal is now in Position 2 , shown by open symbols ...
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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