Treatise on Materials Science and Technology, Volume 2; Volume 19, Part 1 |
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Page 9
SINGLE - EXPOSURE ” METHOD A stress component may be measured from a
single inclination if the Bragg angle is determined at two positions on the
diffraction cone from a polycrystalline specimen . Figure 3 depicts the geometry in
which ...
SINGLE - EXPOSURE ” METHOD A stress component may be measured from a
single inclination if the Bragg angle is determined at two positions on the
diffraction cone from a polycrystalline specimen . Figure 3 depicts the geometry in
which ...
Page 10
3 . Angles in single exposure method . The angles ni and n 2 define the peak shift
. The term ß defines the angle between the surface normal and the primary beam
. angle in degrees and noting n = 90° – 0° 1 El cot } ( 01 + 02 ) - ) ( 0 , – 62 ) .
3 . Angles in single exposure method . The angles ni and n 2 define the peak shift
. The term ß defines the angle between the surface normal and the primary beam
. angle in degrees and noting n = 90° – 0° 1 El cot } ( 01 + 02 ) - ) ( 0 , – 62 ) .
Page 19
A axis yaxis 7 Direction of stress measurement Horizontal axis Incidence angle 8
Reflecting angle 8 Horizontal slit X - ray source Specimen receiving slit -
Focusing circle Fig . 9 . The y diffractometer . Note that the y tilt is around an axis
in the ...
A axis yaxis 7 Direction of stress measurement Horizontal axis Incidence angle 8
Reflecting angle 8 Horizontal slit X - ray source Specimen receiving slit -
Focusing circle Fig . 9 . The y diffractometer . Note that the y tilt is around an axis
in the ...
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Contents
R JAMES | 2 |
Principles of XRay Stress Measurement | 4 |
Control of Accuracy and Precision | 25 |
Copyright | |
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absorption additional allows alloy angle Appl applications atoms bandgap beam broadening cause coefficients components composition composition profile concentration constant containing cooling crystal curve defects dependent deposits depth determined developed diffraction diffusion direction discussed dislocation distance distribution effect electron elements employed energy error et al example excitation experimental factor field function give given grain heat important included increasing intensity intensity bands iron laser lattice layer less magnetic material measurements Metals method Mössbauer observed obtained occur optical parameter peak phase Phys plane position possible powder problem produce range rays recent region relative residual stress sample semiconductors shift shown single Society solid spacing specimen spectra spectrum sputtering steel structure studies substrate surface target technique temperature term thickness values variation volume x-ray