Zobrazeno 1 - 10 of 15 pro vyhledávání: '"Samantha Couper"'
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Akademický článek
Does Heterogeneous Strain Act as a Control on Seismic Anisotropy in Earth’s Lower Mantle?
Autor: Samantha Couper, Sergio Speziale, Hauke Marquardt, Hanns-Peter Liermann, Lowell Miyagi
Publikováno v: Frontiers in Earth Science, Vol 8 (2020)
Plastic deformation and texture development in minerals of the lower mantle can result in seismic anisotropy, and studying deformation of lower mantle materials is therefore important for interpreting lower mantle flow. Most previous deformation expe
Externí odkaz: https://doaj.org/article/2b27917315ac4d1e80b6a7ef29ebdb5d
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Lithofacies from the 1963-1967 Surtsey eruption in SUSTAIN drill cores SE-2a, SE-2b and SE-03
Autor: Magnús T. Gudmundsson, Carolyn F. Gorny, James D. L. White, Marie D. Jackson, Jocelyn McPhie, Samantha Couper
Publikováno v: Surtsey research. 14:19-32
Surtsey was drilled in 2017 in the context of the Surtsey Underwater volcanic System for Thermophiles, Alteration processes and INnovative Concretes (SUSTAIN) project. Vertical drill holes, SE-02a and SE02b (drilled to 191.64 m), and angled drill SE-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::811e68b7af70d45d3309e08ee1e3ce87
https://doi.org/10.33112/surtsey.14.2
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5
Trends in bulk compressibility of Mo2-xWxBC solid solutions
Autor: Marcus Parry, Jackson Hendry, Samantha Couper, Anton Oliynyk, Aria Mansouri Tehrani, Jakoah Brgoch, Lowell Miyagi, Taylor Sparks
The Mo2-xWxBC system is of interest as a material with high hardness while maintaining moderate ductility. In this work, synchrotron diffraction experiments are performed on Mo2-xWxBC solid solutions, where x = 0, 0.5, and 0.75, upon hydrostatic comp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::413fd37df1edb1158f384e4576604395
https://doi.org/10.26434/chemrxiv-2021-3vq3n
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Authigenic Mineral Texture in Submarine 1979 Basalt Drill Core, Surtsey Volcano, Iceland
Autor: James G. Moore, Lowell Miyagi, Nobumichi Tamura, Camelia V. Stan, Samantha Couper, Dilworth Y. Parkinson, Marie D. Jackson, Magnus Ivarsson, Michael W. Czabaj
Publikováno v: Jackson, M D, Couper, S, Stan, C V, Ivarsson, M, Czabaj, M W, Tamura, N, Parkinson, D, Miyagi, L M & Moore, J G 2019, ' Authigenic Mineral Texture in Submarine 1979 Basalt Drill Core, Surtsey Volcano, Iceland ', Geochemistry, Geophysics, Geosystems, vol. 20, no. 7, pp. 3751-3773 . https://doi.org/10.1029/2019GC008304
Geochemistry Geophysics Geosystems, vol 20, iss 7
Geochemistry, Geophysics, Geosystems, vol 20, iss 7
Author(s): Jackson, MD; Couper, S; Stan, CV; Ivarsson, M; Czabaj, MW; Tamura, N; Parkinson, D; Miyagi, LM; Moore, JG | Abstract: Micrometer-scale maps of authigenic microstructures in submarine basaltic tuff from a 1979 Surtsey volcano, Iceland, dril
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95948908af7548de0a8e89c94c2cd6c2
https://doi.org/10.1029/2019gc008304
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Lattice strain and texture analysis of superhard Mo0.9W1.1BC and ReWC0.8via diamond anvil cell deformation
Autor: Samantha Couper, Marcus Parry, Anton O. Oliynyk, Jakoah Brgoch, Aria Mansouri Tehrani, Taylor D. Sparks, Lowell Miyagi
Publikováno v: Journal of Materials Chemistry A. 7:24012-24018
Mo0.9W1.1BC and ReWC0.8 compositions have recently been identified to have exceptional hardness and incompressibility. In this work, these compositions are analyzed via in situ radial X-ray diffraction experiments to comparatively assess lattice stra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc00edd06eda584b6f8ad23b58fe29b0
https://doi.org/10.1039/c9ta06431a
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High‐Pressure Deformation of Iron–Nickel–Silicon Alloys and Implications for Earth's Inner Core
Autor: Guillaume Morard, Matthew Brennan, Rebecca A. Fischer, Samantha Couper, Daniele Antonangeli, Lowell Miyagi
Publikováno v: Journal of Geophysical Research : Solid Earth
Journal of Geophysical Research : Solid Earth, American Geophysical Union, 2021, ⟨10.1029/2020JB021077⟩
Journal of Geophysical Research : Solid Earth, 2021, ⟨10.1029/2020JB021077⟩
Journal of Geophysical Research: Solid Earth
Earth’s inner core exhibits strong seismic anisotropy, often attributed to the alignment of hexagonal close-packed iron (hcp-Fe) alloy crystallites with the Earth’s poles. How this alignment developed depends on material properties of the alloy a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30945b553aafd0f42cdc41380df5df85
https://hal.archives-ouvertes.fr/hal-03146033/document
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