Elements of X-ray Diffraction |
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Page 392
... austenite region , do not trans- form completely to martensite even at the surface . At room temperature , such steels consist of martensite and retained austenite ; in addition , undis- solved carbides may or may not be present . The ...
... austenite region , do not trans- form completely to martensite even at the surface . At room temperature , such steels consist of martensite and retained austenite ; in addition , undis- solved carbides may or may not be present . The ...
Page 394
... austenite and martensite , each con- taining 1.0 percent carbon . Co Ka radiation . In calculating the value of R ... austenite martensite 200 220 311 211 220 water - quenched and then cooled to -321 ° F water - quenched الحمد 2.9 ...
... austenite and martensite , each con- taining 1.0 percent carbon . Co Ka radiation . In calculating the value of R ... austenite martensite 200 220 311 211 220 water - quenched and then cooled to -321 ° F water - quenched الحمد 2.9 ...
Page 395
... austenite is limited chiefly by the intensity of the continuous back- ground present . The lower the background , the easier it is to detect and measure weak austenite lines . Best results are therefore obtained with crystal ...
... austenite is limited chiefly by the intensity of the continuous back- ground present . The lower the background , the easier it is to detect and measure weak austenite lines . Best results are therefore obtained with crystal ...
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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