Elements of X-ray Diffraction |
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Page 36
... rhombohedral ( trigonal ) system can be referred to either a rhombohedral or a hexagonal lattice . Appendix 2 gives the relation between these two lattices and the transformation equations which allow the Miller indices of a plane ( see ...
... rhombohedral ( trigonal ) system can be referred to either a rhombohedral or a hexagonal lattice . Appendix 2 gives the relation between these two lattices and the transformation equations which allow the Miller indices of a plane ( see ...
Page 462
... rhombohedral , that is , it possesses the symmetry elements characteristic of the rhombohedral sys- tem . The primitive rhombohedral cell has axes a1 ( R ) , a1⁄2 ( R ) , and aç ... rhombohedral 462 THE RHOMBOHEDRAL-HEXAGONAL TRANSFORMATION.
... rhombohedral , that is , it possesses the symmetry elements characteristic of the rhombohedral sys- tem . The primitive rhombohedral cell has axes a1 ( R ) , a1⁄2 ( R ) , and aç ... rhombohedral 462 THE RHOMBOHEDRAL-HEXAGONAL TRANSFORMATION.
Page 482
... Rhombohedral , A7 4.5064 57 ° 6.5 ' 20 ° C 2.903 Argon FCC , AI 5.43 -233 ° C 3.84 Arsenic Rhombohedral , A7 4.159 53 ° 49 ' 20 ° C 2.51 Astatine Barium BCC , A2 5.025 20 ° C 4.35 Beryllium , a * HCP , A3 2.2854 3.5841 20 ° C 2.225 B ...
... Rhombohedral , A7 4.5064 57 ° 6.5 ' 20 ° C 2.903 Argon FCC , AI 5.43 -233 ° C 3.84 Arsenic Rhombohedral , A7 4.159 53 ° 49 ' 20 ° C 2.51 Astatine Barium BCC , A2 5.025 20 ° C 4.35 Beryllium , a * HCP , A3 2.2854 3.5841 20 ° C 2.225 B ...
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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