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Wyszukujesz frazę "87.15.Vv" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Structure and Dynamics of Colloidal Suspensions Studied by Means of XPCS
    Autorzy:
    Patkowski, A.
    Gapinski, J.
    Fluerasu, A.
    Holmqvist, P.
    Meier, G.
    Lettinga, M.
    Nägele, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1812242.pdf
    Data publikacji:
    2008-08
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    87.15.Vv
    83.10.Mj
    82.70.Dd
    Opis:
    Structure and dynamics of suspensions of charged colloidal spheres in water were studied by means of small-angle X-ray scattering and X-ray photon correlation spectroscopy using synchrotron radiation. Experimentally obtained dependences on the scattering vector q of the structure factor S(q), short-time collective diffusion coefficient D(q) and hydrodynamic function H(q) were in good agreement with theoretical predictions. No effect of screening of the hydrodynamic interactions, suggested in the literature, was found. The conditions are discussed at which the maximum of the hydrodynamic function peak value H(q_m) can be obtained experimentally.
    Źródło:
    Acta Physica Polonica A; 2008, 114, 2; 339-350
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    PAAm-Kappa Carrageenan Composites: Drying and Swelling with Various Kappa Carrageenan Contents
    Autorzy:
    Akin Evıngür, G.
    Pekcan, Ö.
    Powiązania:
    https://bibliotekanauki.pl/articles/1490972.pdf
    Data publikacji:
    2012-01
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    82.35.Lr
    83.80.Kn
    87.15.Vv
    87.15.Zg
    87.64.kv
    Opis:
    The purpose of this study is to discuss the role of kappa-carrageenan (κ-car) in the drying and swelling of polyacrylamide (PAAm)-κ-car composite. The fluorescence intensity of pyranine increased and decreased as drying and swelling time were increased respectively for all samples. The desorption coefficient, $D_{d}$, decreased as κ-car contents were increased for a given temperature during drying. However, cooperative diffusion coefficient, $D_{s}$, increased as κ-car contents were increased during swelling at a given temperature.
    Źródło:
    Acta Physica Polonica A; 2012, 121, 1; 169-171
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Hard Cyclic Viscoplastic Deformation on Phases Chemical Composition and Micromechanical Properties Evolution in Single Crystal Ni-Based Superalloy
    Autorzy:
    Kommel, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1402123.pdf
    Data publikacji:
    2015-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    81.05.Bx
    81.70.-q
    81.40.Jj
    87.15.Vv
    89.90.+n
    Opis:
    The phases chemical composition and micromechanical properties in single crystal of Ni-based superalloy with chemical composition of 12.1 Al, 5.3 Cr, 9.4 Co, 0.8 Nb, 0.9 Ta, 0.7 Mo, 2.5 W, 0.7 Re and Ni-balance (in at.%) were changed during hard cyclic viscoplastic deformation at room temperature. The method we used based on the Bauschinger effect. The changes in the dendritic microstructure and chemical composition were characterized by scanning electron microscopy and energy dispersive spectrometry. The phases micromechanical properties evolution were characterized by nanoindentation. The results show that the cumulative strain or strain energy density increase arouse the interdiffusion of atoms between the different phases and the phases equilibrium in SC was changed. It is established that the interdiffusion rate depends on elements atoms activation energy. The new γ-γ'-eutectic pools were formed in the primary dendrites region (with fine γ/γ'-phase) and as result the length of newly formed dendrites was decreased significantly. The maximal and plastic depth of nanoindentation were measured and the corresponding micromechanical properties of phases calculated.
    Źródło:
    Acta Physica Polonica A; 2015, 128, 4; 681-683
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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