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Wyszukujesz frazę "Aleksic, V." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Non-destructive metallography & replica method for inspection connecting rod material and cracks detection
    Autorzy:
    Kovacevic, Z.
    Karastojkovic, Z.
    Aleksic, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/111893.pdf
    Data publikacji:
    2013
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    Non-Destructive Metallography
    NDM
    replica method
    microstructure changes
    connecting-rod
    metalografia nieniszcząca
    metoda repliki
    zmiany mikrostruktury
    korbowód
    Opis:
    Testing of materials properties is usually a discipline for the quality assurance during manufacturing processes. In condition monitoring, certification or upgrading of existing plants and in failure analysis similar benefits from non-destructive testing of materials properties can be achieved. Another benefit from the Non-Destructive Metallography (NDM) is that the test can be made on-site. NDM is a well established and proven tool to help determine the integrity of generator and hydro turbine components during their life-cycle in power plant environments. On-site metallography of components makes it possible to evaluate the microstructure of materials. It allows microstructural analysis of large components that are difficult to move or not permitted to be destructively tested, enabling rapid evaluation of the material. Here are monitored the microstructural changes and crack detection in St 35 connecting rod steel after approximately 15 years in service. The paper includes a short description of the replica method as a technique for microstructural examination of components by using non-destructive testing method.
    Źródło:
    Production Engineering Archives; 2013, 1, 1; 22-24
    2353-5156
    2353-7779
    Pojawia się w:
    Production Engineering Archives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dissipative Optical Solitons
    Autorzy:
    Skarka, V.
    Aleksic, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/1814360.pdf
    Data publikacji:
    2007-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.65.Sf
    42.65.Tg
    Opis:
    The generation and nonlinear dynamics of multi-dimensional optical dissipative solitonic pulses are examined. The variational method is extended to complex dissipative systems, in order to obtain steady state solutions of the one-, two-, and three-dimensional complex cubic-quintic Ginzburg-Landau equation. A stability criterion is established fixing a domain of dissipative parameters for stable steady state solutions. Following numerical simulations, evolution of even asymmetric input pulse from this domain leads to stable dissipative solitons and light bullets.
    Źródło:
    Acta Physica Polonica A; 2007, 112, 5; 791-798
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stable One-Dimensional Dissipative Solitons in Complex Cubic-Quintic Ginzburg-Landau Equation
    Autorzy:
    Aleksic, N. B.
    Pavlovic, G.
    Aleksic, B. N.
    Skarka, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/2047855.pdf
    Data publikacji:
    2007-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    45.65.Sf
    45.65.Tg
    Opis:
    The generation and nonlinear dynamics of one-dimensional optical dissipative solitonic pulses are examined. The variational method is extended to complex dissipative systems, in order to obtain steady state solutions of the (1+1)-dimensional complex cubic-quintic Ginzburg-Landau equation. A stability criterion is established fixing a domain of dissipative parameters for stable steady state solutions. Following numerical simulations, evolution of any input pulse from this domain leads to stable dissipative temporal solitons. Analytical predictions are confirmed by numerical evolution of input temporal pulses towards stable dissipative solitons.
    Źródło:
    Acta Physica Polonica A; 2007, 112, 5; 941-947
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dispersion of Bloch Modes in a Multilayer Structure with Alternating Left-Handed and Right-Handed Materials
    Autorzy:
    Vukovic, S.
    Aleksic, N. B.
    Timotijevic, D. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/2047883.pdf
    Data publikacji:
    2007-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    41.20.Jb
    78.66.Fd
    78.68.+m
    Opis:
    We study all-evanescent eigenmodes of a one-dimensional infinite periodic structure with alternating left-handed and right-handed materials that propagate perpendicularly to the surface or guided eigenmodes. Investigation of dispersion properties of such Bloch modes is shown to be crucial for understanding of an efficient radiation energy transport across the periodic multilayer structure. Frequency pass bands and gaps are found as a function of the two orthogonal wave vectors: the Bloch wave vector k$\text{}_{B}$ and the surface wave vector k$\text{}_{S}$. We demonstrate that pass bands of both TE- and TM-polarizations can exist and, under certain conditions, may overlap.
    Źródło:
    Acta Physica Polonica A; 2007, 112, 5; 1061-1066
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Polymer - Bonded Magnetic Materials with Various Nd-Fe-B Filler Content
    Autorzy:
    Grujić, A.
    Lazić, N.
    Talijan, N.
    Spasojević, V.
    Stajić-Trošić, J.
    Ćosović, V.
    Aleksić, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1538172.pdf
    Data publikacji:
    2010-05
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    75.50.Ww
    81.05.Qk
    83.85.Vb
    46.35.+z
    81.70.Pg
    91.60.Pn
    68.37.Hk
    Opis:
    One of the more important developments in magnetic materials, polymer bonded magnets, have opened a new world of application opportunities. The Nd-Fe-B/polymer composite materials offer an excellent combination of strong magnetic and dynamical-mechanical properties. However, the transition temperatures of filler and matrix should be selected carefully considering the future application. Uniform particle distribution and good adhesion between Nd-Fe-B powder particles and polymer are essential for the quality of the composite, while stiffness of polymer matrix is one of the influencing factors as well. The damping properties of Nd-Fe-B/polymer composites with 15 wt.%, 50 wt.% and 75 wt.% of Nd-Fe-B powder were studied by dynamic mechanical analysis and compared with a pure polymer sample. Thermal stability was analyzed using a simultaneous differential scanning calorimetric and thermogravimetric analysis technique.
    Źródło:
    Acta Physica Polonica A; 2010, 117, 5; 859-863
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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