Elements of X-ray Diffraction |
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Page 55
... twin plane . Of most interest to metallurgists , who deal mainly with FCC , BCC , and HCP structures , are the following kinds of twins : ( 1 ) Annealing twins , such as occur in FCC metals and alloys ( Cu , Ni , a - brass , Al , etc ...
... twin plane . Of most interest to metallurgists , who deal mainly with FCC , BCC , and HCP structures , are the following kinds of twins : ( 1 ) Annealing twins , such as occur in FCC metals and alloys ( Cu , Ni , a - brass , Al , etc ...
Page 57
... twin plane is perpendicular to this plane , and the [ 111 ] twin axis lies in it . Open circles represent atoms in the plane of the drawing and filled circles those in the layers immediately above or below . The reflection symmetry ...
... twin plane is perpendicular to this plane , and the [ 111 ] twin axis lies in it . Open circles represent atoms in the plane of the drawing and filled circles those in the layers immediately above or below . The reflection symmetry ...
Page 58
... twins are the result of the growth process described above . Nevertheless , this hypothetical shear is sometimes a useful way of describing the orientation relationship between a crystal and its twin . Deformation twins are found in ...
... twins are the result of the growth process described above . Nevertheless , this hypothetical shear is sometimes a useful way of describing the orientation relationship between a crystal and its twin . Deformation twins are found in ...
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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