Elements of X-ray Diffraction |
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Page 498
... sphere of reflection FIG . A15-8 . The Ewald construc- tion . Section through the sphere of reflection containing the incident and diffracted beam vectors . The conditions for diffraction expressed by Eq . ( 7 ) may be represented ...
... sphere of reflection FIG . A15-8 . The Ewald construc- tion . Section through the sphere of reflection containing the incident and diffracted beam vectors . The conditions for diffraction expressed by Eq . ( 7 ) may be represented ...
Page 500
... sphere in the small circle shown , and any points on the = 1 layer which touch the sphere surface must touch it on this circle . Therefore all diffracted - beam vectors S / A must end on this circle , which is equivalent to saying that ...
... sphere in the small circle shown , and any points on the = 1 layer which touch the sphere surface must touch it on this circle . Therefore all diffracted - beam vectors S / A must end on this circle , which is equivalent to saying that ...
Page 502
... sphere of reflection is produced by continuously varying the radius of the sphere . There is therefore a whole set of reflection spheres , not just one ; each has a different center , but all pass through the origin of the re- ciprocal ...
... sphere of reflection is produced by continuously varying the radius of the sphere . There is therefore a whole set of reflection spheres , not just one ; each has a different center , but all pass through the origin of the re- ciprocal ...
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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