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Pole Figure Analysis of Graphite Material
Defect and Diffusion Forum, 2022Graphite is a versatile material which is also used in various load bearing applications such as thrust bearings and dies for mechanical pressing such as hot pressing. Natural graphite has anisotropic layered structure which reduces its (compressive) strength in axes which are not parallel to c-axis.
Tanzeela Anis +7 more
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Pole Figures of the Orientation of Apatite in Bones
Nature, 1971THE orientation of the apatite and collagen in bone was first considered in this work because of its significance in the possible piezoelectric effect in bone. Bone is a polycrystalline material composed chiefly of apatite and collagen, and crystals of a component must be both piezoelectric and orientated in order to produce an overall piezoelectric ...
J P, Nightingale, D, Lewis
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An automatic pole figure recorder
Journal of Physics E: Scientific Instruments, 1970The present device can be used as an accessory to any Schulz x-ray goniometer. It is connected to the output of the electronic integrator so that the texture diagram normally obtained with the original equipment remains available. The pole figure is thus obtained in addition, without delay, by drawing a spiral with pens of different colours (10 maximum)
R Baro, D Ruer
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The Validity of the Pole Figure
Journal of Applied Physics, 1945A [110] pole figure for cold-rolled and annealed silicon steel, constructed from data obtained with an integrating x-ray camera, is compared with a stereographic projection of [110] poles for one hundred individual grains in the same samples. From this comparison, it is concluded that pole figures are accurate enough to determine preferred orientations
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Automatic pole figure evaluation
Journal of Applied Crystallography, 1969A commercial pole figure goniometer (Philips) is operated by a process control computer (IBM 1800) with a digital voltmeter to digitize the ratemeter output. The pole density data are stored on disk, and, after processing, are recorded in the pole figure by a plotter attached to the computer.
A. Segmüller, J. Angilello
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Review of Scientific Instruments, 1969
A device, applicable to samples with fiber texture, is used on a diffractometer to average the diffracted x-ray intensities representing values on a pole figure. In the process, the fiber axis is rotated end-over-end continuously at a constant rate through an angle φ which is also the colatitude coordinate of the pole figure.
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A device, applicable to samples with fiber texture, is used on a diffractometer to average the diffracted x-ray intensities representing values on a pole figure. In the process, the fiber axis is rotated end-over-end continuously at a constant rate through an angle φ which is also the colatitude coordinate of the pole figure.
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Investigation of Measured Pole Figures Errors
Materials Science Forum, 2005The objective of the present work is to study of errors on measured pole figures of hexagonal materials. We used neutron time-of-flight (TOF) technique for texture measurements and obtained spectra for estimating of error values of measured pole figures.
D.I. Nikolayev +3 more
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Instrumentation for RHEED Pole Figure
2013In this chapter, we describe the major reflection high-energy electron diffraction (RHEED) hardware components: a vacuum system, an electron gun, a sample manipulator, a step motor, a phosphor screen, and a charge-coupled device camera. Most molecular beam epitaxy (MBE) laboratories with in situ RHEED characterization capability are equipped with this ...
Gwo-Ching Wang, Toh-Ming Lu
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Review of Scientific Instruments, 1965
A simple recording apparatus has been developed which automatically plots preferred orientation information obtained by x-ray diffraction in pole figure from. It is used with spiral scanning, counter tube, preferred orientation x-ray goniometers. The apparatus consists of an X-Y recorder, a spiral time base signal generator, and an encoder which ...
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A simple recording apparatus has been developed which automatically plots preferred orientation information obtained by x-ray diffraction in pole figure from. It is used with spiral scanning, counter tube, preferred orientation x-ray goniometers. The apparatus consists of an X-Y recorder, a spiral time base signal generator, and an encoder which ...
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Spurious Areas in Pole Figures
Journal of Applied Physics, 1954Spurious maxima are frequently observed in pole figures determined by x-ray diffraction techniques employing the Geiger-counter spectrogoniometer. Their origin must be fully understood in order to avoid misleading interpretations of the pole-figure data.
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