Elements of X-ray DiffractionIntended to acquaint the reader with the theory of x-ray diffraction, the experimental methods involved, and the main applications. The book is a collection of principles and methods stressing X-ray diffraction rather than metallurgy. The book is written entirely in terms of the Bragg law and can be read without any knowledge of the reciprocal lattice. It is divided into three main parts— Fundamentals; experimental methods; and applications. Designed for beginners, not as a reference tool for the advanced reader. |
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Page 126
... factor . For example , if ( h + 2k ) is a multiple of 3 and I is even , then h + 2k 3 + 122 = n , where n is an integer ; СOS лη = +1 , cos2 în = 1 , | F | 2 = 4ƒ2 . 4f2 . When all possible values of h , k , and I are considered , the ...
... factor . For example , if ( h + 2k ) is a multiple of 3 and I is even , then h + 2k 3 + 122 = n , where n is an integer ; СOS лη = +1 , cos2 în = 1 , | F | 2 = 4ƒ2 . 4f2 . When all possible values of h , k , and I are considered , the ...
Page 131
... FACTOR 10 45 90 BRAGG ANGLE ( degrees ) Fig . 4-17 Lorentz - polarization factor . This in turn is combined with the polarization factor ( 1 + cos2 20 ) of Sec . 4-2 to give the combined Lorentz - polarization factor which , with a constant ...
... FACTOR 10 45 90 BRAGG ANGLE ( degrees ) Fig . 4-17 Lorentz - polarization factor . This in turn is combined with the polarization factor ( 1 + cos2 20 ) of Sec . 4-2 to give the combined Lorentz - polarization factor which , with a constant ...
Page 139
... factor , p = multiplicity factor , and 0 = Bragg angle . The trigonometric terms in paren- theses are the Lorentz - polarization factor . In arriving at this equation , we have omitted factors which are constant for all lines of the ...
... factor , p = multiplicity factor , and 0 = Bragg angle . The trigonometric terms in paren- theses are the Lorentz - polarization factor . In arriving at this equation , we have omitted factors which are constant for all lines of the ...
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Common terms and phrases
absorption alloy angle applied arrangement atoms axes axis calculated called camera cause circle consider constant contains corresponding counter counting crystal cubic curve depends described determined diffracted beam diffraction lines diffractometer direction distance effect electron elements energy equal equation error example factor figure film given grain hexagonal incident beam increases indices intensity involved kind lattice Laue less located material means measured metal method normal Note observed obtained occur orientation origin parallel parameter particular pattern percent phase photographic plane pole position possible powder produced projection radiation rays reciprocal reference reflection region relation relative result rotation sample scattering sheet shown shown in Fig shows simple single solid solution spacing specimen sphere standard stress structure surface temperature texture transmission tube twin unit cell usually various vector voltage wave wavelength x-ray zone