Search Results - "S. IMHOFF"

Transient oxidation of Mo–Si–B alloys: Effect of the microstructure size scale by Rioult, F.A., Imhoff, S.D., Sakidja, R., Perepezko, J.H.

“…The composition and phase constituency of Mo–Si–B alloys are known to be important parameters in determining the oxidation response. For three phase Mo + T 2 +…”
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Length-Scale Selection and Microstructural Patterning During Phase Transformations by Imhoff, S. D.

“…Outside of metals, Aytimur et al.3 (''Boron Undoped and Doped Europium-Bismuth Oxide Nanocompos- ites via the Polymeric Precursor Technique'') have studied…”
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Kinetic competition during glass formation by Perepezko, J.H., Santhaweesuk, C., Wang, J.Q., Imhoff, S.D.

“…•The kinetics of glass formation has been elucidated in an Fe and Au-base alloy.•A critical cooling rate range should be considered for glass formation.•Wedge…”
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Enhance the thermal stability and glass forming ability of Al-based metallic glass by Ca minor-alloying by Wang, J.Q., Liu, Y.H., Imhoff, S., Chen, N., Louzguine-Luzgin, D.V., Takeuchi, A., Chen, M.W., Kato, H., Perepezko, J.H., Inoue, A.

“…In order to stabilize the supercooled liquid and enhance the glass forming ability of Al-based glass forming alloy, the alloying design based on minor Ca…”
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From Solidification Processing to Microstructure to Mechanical Properties: A Multi-scale X-ray Study of an Al-Cu Alloy Sample by Tourret, D., Mertens, J. C. E., Lieberman, E., Imhoff, S. D., Gibbs, J. W., Henderson, K., Fezzaa, K., Deriy, A. L., Sun, T., Lebensohn, R. A., Patterson, B. M., Clarke, A. J.

“…We follow an Al-12 at. pct Cu alloy sample from the liquid state to mechanical failure, using in situ X-ray radiography during directional solidification and…”
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Coarse bedload routing and dispersion through tributary confluences by Imhoff, Kurt S, Wilcox, Andrew C

“…Sediment routing fundamentally influences channel morphology and the propagation of disturbances such as debris flows. The transport and storage of bedload…”
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Flux-induced structural modification and phase transformations in a Pd40Ni40Si4P16 bulk-glassy alloy by CHEN, N, GU, L, XIE, G. Q, LOUZGUINE-LUZGIN, D. V, YAVARI, A. R, VAUGHAN, G, IMHOFF, S. D, PEREPEZKO, J. H, ABE, T, INOUE, A

“…In order to uncover the mechanism of fluxing-enhanced undercooling, a study of the liquid structure in a Pd40Ni40Si4P16 bulk-glassy alloy was performed, which…”
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Porosity characterization of Argiudolls under different management systems in the Argentine Flat Pampa by Imhoff, S., Ghiberto, P.J., Grioni, A., Gay, J.P.

“…Soil pore network characteristics are influenced by management and tillage practices. The objective of this work was to verify if the simultaneous use of the…”
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Nucleation reactions during deformation and crystallization of metallic glass by Perepezko, J.H., Imhoff, S.D., Chen, M.W., Gonzalez, S., Inoue, A.

“…► New approach to the examination and analysis of shear band nucleation. ► Discovery of multiple shear band nucleation sites. ► Identification of a method of…”
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Laboratory micro- and nanoscale X-ray tomographic investigation of Al-7 at.%Cu solidification structures by PATTERSON, B. M, HENDERSON, K. C, GIBBS, P. J, IMHOFF, S. D, CLARKE, A. J

“…X-ray computed tomography across multiple length scales provides an opportunity to non-destructively visualize and quantify the micro- to nano-scale…”
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Nanostructure development during devitrification and deformation by Perepezko, J.H., Imhoff, S.D., Hebert, R.J.

“…The devitrification of amorphous phases can be controlled to yield a nanoscale microstructure based upon either a high density of nanocrystals dispersed in an…”
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Least limiting water range: A potential indicator of changes in near-surface soil physical quality after the conversion of Brazilian Savanna into pasture by Leão, T.P., da Silva, A.P., Macedo, M.C.M., Imhoff, S., Euclides, V.P.B.

“…The Brazilian savanna, or “Cerrado”, is an ecosystem that originally covered more than 200 Mha in Brazil. It is estimated that about 49.5 Mha in the Cerrado…”
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Evaluating responses of maize ( Zea mays L.) to soil physical conditions using a boundary line approach by Imhoff, S., Kay, B.D., da Silva, A. Pires, Hajabbasi, M.A.

“…The functional relation between the decline in the rate of a physiological process and the magnitude of a stress related to soil physical conditions is an…”
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Multiscale X-ray and Proton Imaging of Bismuth-Tin Solidification by Gibbs, P. J., Imhoff, S. D., Morris, C. L., Merrill, F. E., Wilde, C. H., Nedrow, P., Mariam, F. G., Fezzaa, K., Lee, W.-K., Clarke, A. J.

“…The formation of structural patterns during metallic solidification is complex and multiscale in nature, ranging from the nanometer scale, where solid–liquid…”
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Factors Contributing to the Tensile Strength and Friability of Oxisols by Imhoff, S., Silva, A. Pires, Dexter, A.

“…Tensile strength (TS) and friability (F) are considered useful indicators of soil structural quality. This study hypothesized that TS and F are strongly…”
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Hydraulic conductivity of Molisolls irrigated with sodic-bicarbonated waters in Santa Fe (Argentine) by Ghiberto, P.J., Pilatti, M.A., Imhoff, S., de Orellana, J.A.

“…Irrigation waters with high sodicity and low salinity levels may deteriorate soil physical properties, consequently affecting the water movement in the soil…”
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Spatial heterogeneity of soil properties in areas under elephant-grass short-duration grazing system by Imhoff, S, Da Silva, A.P, Tormena, C.A

“…Soil properties can be changed by several factors, such as plant roots and animal trampling. The identification of spatial heterogeneity of these properties…”
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Microstructure selection in thin-sample directional solidification of an Al-Cu alloy: In situ X-ray imaging and phase-field simulations by Clarke, A.J., Tourret, D., Song, Y., Imhoff, S.D., Gibbs, P.J., Gibbs, J.W., Fezzaa, K., Karma, A.

“…We study microstructure selection during directional solidification of a thin metallic sample. We combine in situ X-ray radiography of a dilute Al-Cu alloy…”
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Intervalo hídrico ótimo na avaliação de sistemas de pastejo contínuo e rotacionado by Leão, T. P, Silva, A. P.(Universidade de São Paulo ESALQ Departamento de Solos e Nutrição de Plantas,CNPq), Macedo, M. C. M.(Embrapa Gado de Corte), Imhoff, S.(Universidad Nacional del Litoral), Euclides, V. P. B.(Embrapa Gado de Corte)

“…A qualidade física do solo sob sistemas de pastejo contínuo e rotacionado foi avaliada pelo Intervalo Hídrico Ótimo (IHO). A amostragem foi realizada na área…”
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Microstructure selection in thin-sample directional solidification of an Al-Cu alloy: In situ X-ray imaging and phase-field simulations by Clarke, A. J., Tourret, D., Song, Y., Imhoff, S. D., Gibbs, P. J., Gibbs, J. W., Fezzaa, K., Karma, A.

“…We study microstructure selection during directional solidification of a thin metallic sample. We combine in situ X-ray radiography of a dilute Al-Cu alloy…”
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