Elements of X-ray Diffraction |
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Page 40
... hexagonal symmetry of the lattice , which has a 6 - fold rotation axis parallel to c . The third axis az , lying in the basal plane of the hexagonal prism , is so symmetrically related to a , and a2 that it is often used in conjunction ...
... hexagonal symmetry of the lattice , which has a 6 - fold rotation axis parallel to c . The third axis az , lying in the basal plane of the hexagonal prism , is so symmetrically related to a , and a2 that it is often used in conjunction ...
Page 43
... hexagonal close - packed ( HCP ) structure common to many metals . This structure is simple hexagonal and is illustrated in Fig . 2-15 . There are two atoms per unit cell , as shown in ( a ) , one at 0 0 0 and the other at ( or at ...
... hexagonal close - packed ( HCP ) structure common to many metals . This structure is simple hexagonal and is illustrated in Fig . 2-15 . There are two atoms per unit cell , as shown in ( a ) , one at 0 0 0 and the other at ( or at ...
Page 462
... hexagonal cell having axes a1 ( H ) , a2 ( H ) , and c ( H ) . The hexagonal cell is no longer primi- tive , since it contains three lattice points per unit cell ( at 000 , 3 , and ) , and it has three times the volume of the ...
... hexagonal cell having axes a1 ( H ) , a2 ( H ) , and c ( H ) . The hexagonal cell is no longer primi- tive , since it contains three lattice points per unit cell ( at 000 , 3 , and ) , and it has three times the volume of the ...
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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