Volumetric properties of magnesium silicate glasses and supercooled liquid at high pressure by X-ray microtomography

Lesher, Charles E.; Wang, Yanbin; Gaudio, S. J.; Clark, A. N.; Nishiyama, Nori; Rivers, Mark L.

doi:10.1016/j.pepi.2008.10.023

Cited by 31 publications

(31 citation statements)

References 34 publications

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“…Lesher et al (2009) combined highpressure set-ups and synchrotron radiation to model the Earth's thermal state, the chemical differentiation, and the dynamic processes, since it required knowledge of properties of silicate and metallic melts at high pressure. Sedimentary cores can be examined nondestructively in 3D as well as any kind of core.…”

Section:  3d Grain Analysismentioning

confidence: 99%

High-resolution X-ray computed tomography in geosciences: A review of the current technology and applications

Cnudde

Boone

2013

Earth-Science Reviews

1,264

700

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Please cite this article as: Cnudde, V., Boone, M.N., "High-resolution X-ray computed tomography in geosciences: a review of the current technology and applications", Earth Science Reviews (2013Reviews ( ), doi: 10.1016Reviews ( /j.earscirev.2013 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.A C C E P T E D M A N U S C R I P T AbstractHigh-resolution X-ray Computed Tomography (HRXCT) or micro-CT (µCT) is a frequently used non-destructive 3D imaging and analysis technique for the investigation of internal structures of a large variety of objects, including geomaterials. Although the possibilities of X-ray micro-CT are becoming better appreciated in earth science research, the demands on this technique are also approaching certain physical limitations. As such, there remains a lot of research to be done in order to solve all the technical problems that occur when higher demands are put on the technique. In this paper, a review of the principle, the advantages and limitations of X-ray CT itself are presented, together with an overview of some current applications of micro-CT in geosciences. One of the main advantages of this technique is the fact that it is a non-destructive characterization technique which allows 4D monitoring of internal structural changes at resolutions down to a few hundred nanometers. Limitations of this technique are the operator dependency for the 3D image analysis from the reconstructed data, the discretations effects and possible imaging artefacts. Driven by the technological and computational progress, the technique is continuously growing as an analysis tool in geosciences and is becoming one of the standard techniques, as is shown by the large and still increasing number of publications in this research area. It is foreseen that this number will continue to rise, and micro-CT will become an indispensable technique in the field of geosciences.

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Section:  3d Grain Analysismentioning

confidence: 99%

High-resolution X-ray computed tomography in geosciences: A review of the current technology and applications

Cnudde

Boone

2013

Earth-Science Reviews

1,264

700

View full text Add to dashboard Cite

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“…HPXMT provides two approaches for density measurement: (1) direct volume rendering under high pressure and temperature and (2) determining the linear absorption coefficient (μ l ) in each voxel (voxel intensities in reconstructed tomographic images are directly proportional to μ l ). In the first approach, determining the image threshold between the sample and the pressure medium is critical for accurate volume measurement (Lesher et al 2009). By direct volume rendering, Lesher et al (2009) investigated compression of glasses of several compositions in the Mg 2 SiO 4 -MgSiO 3 pseudo-binary system up to 11.5 GPa and determined bulk moduli (Fig.…”

Section: Density Of Non-crystalline Materials Under Pressurementioning

confidence: 99%

“…In the first approach, determining the image threshold between the sample and the pressure medium is critical for accurate volume measurement (Lesher et al 2009). By direct volume rendering, Lesher et al (2009) investigated compression of glasses of several compositions in the Mg 2 SiO 4 -MgSiO 3 pseudo-binary system up to 11.5 GPa and determined bulk moduli (Fig. 9a, b).…”

Section: Density Of Non-crystalline Materials Under Pressurementioning

confidence: 99%

“…In the second approach, density is obtained from μ l through the relation μ l = μ m × ρ by assuming that the mass absorption coefficient (μ m ) of materials remains constant under modest pressure and temperature conditions (Lesher et al 2009). Note, however, that voxel intensities may be skewed under high pressure by the presence of the pressure medium surrounding the sample, especially after applying non-conventional flat-field normalization.…”

Section: Density Of Non-crystalline Materials Under Pressurementioning

confidence: 99%

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Imaging in 3D under pressure: a decade of high-pressure X-ray microtomography development at GSECARS

Wang

Rivers

2016

Prog. in Earth and Planet. Sci.

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The high-pressure X-ray microtomography (HPXMT) apparatus has been operating at the GeoSoilEnviroCARS (GSECARS) bending magnet beamline at the Advanced Photon Source since 2005. By combining the powerful synchrotron X-ray source and fast switching between white (for X-ray diffraction) and monochromatic (for absorption imaging) modes, this technique provides the high-pressure community with a unique opportunity to image the three-dimensional volume, texture, and microstructure of materials under high pressure and temperature. The ability to shear the sample with unlimited strain by twisting the two opposed anvils in the apparatus allows shear deformation studies under extreme pressure and temperature to be performed. HPXMT is a powerful tool for studying the physical properties of both crystalline and non-crystalline materials under high pressure and high temperature. Over the past 10 years, continuous effort has been put into technical development, modifications to improve the overall performance, and additional probing techniques to meet users' needs. Here, we present an up-to-date report on the HPXMT system, a brief review of some of its many exciting scientific applications, and a discussion of future developments.

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“…Atambientconditions, X-ray tomography is ideal as a non invasive or destructive method to study materials such as precious fossil records (Kruta et al, 2011), as opposed to SEM analyses on slabs for instance. Among applications of X-ray tomography under pressure, and besides the study of fluid percolation, this technique would be suited for volume measurements of non-crystalline samples (amorphous or liquids), and consequently, for the measurement of their equation of states (Wang et al, 2005;Lesher et al, 2009). …”

Section: Melt Percholation By X-ray Tomographymentioning

confidence: 99%

High-pressure experimental geosciences: state of the art and prospects

Sanloup¹

2012

Bulletin De La Société Géologique De France

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International audienceThis paper aims at reviewing the current advancements of high pressure experimental geosciences. The an- gle chosen is that of in situ measurements at the high pressure (P) and high temperature (T) conditions relevant of the deep Earth and planets, measurements that are often carried out at large facilities (X-ray synchrotrons and neutron sources). Rather than giving an exhaustive catalogue, four main active areas of research are chosen: the latest advance- ments on deep Earth mineralogy, how to probe the properties of melts, how to probe Earth dynamics, and chemical reac- tivity induced by increased P-T conditions. For each area, techniques are briefly presented and selected examples illustrate their potentials, and what that tell us about the structure and dynamics of the planet

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Volumetric properties of magnesium silicate glasses and supercooled liquid at high pressure by X-ray microtomography

Cited by 31 publications

References 34 publications

High-resolution X-ray computed tomography in geosciences: A review of the current technology and applications

High-resolution X-ray computed tomography in geosciences: A review of the current technology and applications

Imaging in 3D under pressure: a decade of high-pressure X-ray microtomography development at GSECARS

High-pressure experimental geosciences: state of the art and prospects

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