Results 11 to 20 of about 4,976,815 (252)

Nanocrystalline Materials [PDF]

, 2020
The term "nanocrystalline materials" relates to the sizes of structural elements. The range of application of these materials is huge, such as more efficient catalysts, films, magnetic materials, protective coatings, and biological and biomaterials. Many

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Nanocrystalline materials studied by powder diffraction line profile analysis [PDF]

, 2007
X-ray powder diffraction is a powerful tool for characterising the microstructure of crystalline materials in terms of size and strain. It is widely applied for nanocrystalline materials, especially since other methods, in particular electron microscopy ...
Gubicza, Jenő, Ungár, Tamás
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In-situ TEM observation of the response of ultrafine- and nanocrystalline-grained tungsten to extreme irradiation environments [PDF]

, 2014
The accumulation of defects, and in particular He bubbles, can have significant implications for the performance of materials exposed to the plasma in magnetic-confinement nuclear fusion reactors. Some of the most promising candidates for deployment into
Greaves, Graeme, El-Atwani, Osman, Qiu, T., Gonderman, Sean, El-Atwani, O., Gonderman, S., Hinks, J. A., Efe, M., Allain, J. P., Greaves, G., Allain, Jean P.   +10 more
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Characterization of defect structures in nanocrystalline materials by X-ray line profile analysis [PDF]

, 2007
X-ray line profile analysis is a powerful alternative tool for determining dislocation densities, dislocation type, crystallite and subgrain size and size-distributions, and planar defects, especially the frequency of twin boundaries and stacking faults.
Tamás Ungár, Gubicza, Jenő, Jenõ Gubicza, Ungár, Tamás   +3 more
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Stable, Ductile and Strong Ultrafine HT-9 Steels via Large Strain Machining

Nanomaterials, 2021
Beyond the current commercial materials, refining the grain size is among the proposed strategies to manufacture resilient materials for industrial applications demanding high resistance to severe environments. Here, large strain machining (LSM) was used
Osman El-Atwani, Hyosim Kim, Jonathan G. Gigax, Cayla Harvey, Berk Aytuna, Mert Efe, Stuart A. Maloy   +6 more
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Influence of sintering temperature and pressure on crystallite size and lattice defect structure in nanocrystalline SiC [PDF]

, 2007
Microstructure of sintered nanocrystalline SiC is studied by x-ray line profile analysis and transmission electron microscopy. The lattice defect structure and the crystallite size are determined as a function of pressure between 2 and 5.5 GPa for ...
T. Ungár, Nauyoks, S., Gubicza, Jenő, Lábár, János, L. Balogh, Zerda, T. W., J. Gubicza, Balogh, Levente, Ungár, Tamás, S. Nauyoks, T.W. Zerda, J. Labar   +11 more
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Purification of Dunino halloysite by H2SO4 leaching and magnetic separation

E3S Web of Conferences, 2016
The article presents results of purification and comminution of raw halloysite from the Dunino deposit. The aim of the study was to clean halloysite from Dunino deposit with acid (H2SO4) leaching and to remove iron impurities in order to obtain fine ...
Sakiewicz Piotr, Lutynski Marcin A.
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Producing of Amorphous-nanocrystalline Materialsву Partial Crystallization of Metallic Glasses [PDF]

Журнал нано- та електронної фізики, 2017
Based on the analysis of theory high-temperature thermodynamic stability of amorphous alloys proposed a method for producing amorphous-nanocrystalline state from the initial amorphous.
V.I. Lysov, T.L. Tsaregradskaya, O.V. Turkov, G.V. Saenko   +3 more
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Plastic deformation of dense nanocrystalline yttrium oxide at elevated temperatures [PDF]

, 2012
Nanocrystalline yttrium oxide, Y2O3 with 110 nm average grain size was plastically deformed between 800 ◦C and 1100 ◦C by compression at different strain rates and by creep at different stresses. The onset temperature for plasticity was at 1000 ◦C. Yield
Estournès, Claude, Gallardo-López, Angela, Domínguez-Rodríguez, Arturo, Chaim, Rachman, Marder, Rachel   +4 more
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Fundamentals of interface phenomena in advanced bulk nanoscale materials [PDF]

, 2005
The review is devoted to a study of interface phenomena influencing advanced properties of nanoscale materials processed by means of severe plastic deformation, high-energy ball milling and their combinations.
Sort, J., Suriñach, S., S. Suriæach, S. G. Protasova, Zhilyaev, A. P., M. J. Starink, Ovidko, I.A., Grabovetskaya, G.P., Langdon, T. G., Baró, M. D., Straumal, B.B., J. Gubicza, Langdon, T.G., Révész, Á., Ivanov, M. B., Protasova, S. G., Ungár, T., M. D. Baró, J. Noguøs, G. P. Grabovetskaya, J. Lendvai, Lipnitskii, A.G., Lipnitskii, A. G., Kolobov, Y. R., Yu. R. Kolobov, N. V. Skiba, Kolobov, Yu.R., Raab, G. I., B. B. Straumal, Gubicza, J., Nazarov, A. A., Mazilkin, A. A., Ivanov, M.B., Skiba, N.V., Protasova, S.G., T. G. Langdon, J. Sort, G. I. Raab, A. A. Nazarov, Raab, G.I., Starink, M.J., Nazarov, A.A., Zhilyaev, A.P., Révész, Ádám, Skiba, N. V., I. A. Ovidko, Baró, M.D., Baretzky, B., Ovidko, I. A., M. B. Ivanov, A. A. Mazilkin, Lendvai, János, Starink, M. J., T. Ungær, Grabovetskaya, G. P., Ungár, Tamás, Kolobov, Yu. R., Nogués, J., Mazilkin, A.A., B. Baretzky, Gubicza, Jenő, Lendvai, J., A. G. Lipnitskii, Straumal, B. B.   +63 more
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