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    Wyświetlanie 1-6 z 6
    Tytuł:
    The Influence of Process Parameters of EDM on the Surface Roughness of Aluminum Matrix Composites Reinforced with SiC Particulates
    Autorzy:
    Feray Guleryuz, L.
    Ozan, S.
    Kasman, S.
    Ipek, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399967.pdf
    Data publikacji:
    2013-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    81.05.Ni
    81.20.Ev
    81.20.Wk
    Opis:
    This paper investigates the effect of electrical discharge machining parameters on the surface roughness as an alternative method for machining of $Al//SiC_{p}$ metal matrix composites produced with the powder metallurgy. Current, electrode type, pulse-on-time, particle reinforcement weight ratio and voltage were used as the process parameters. An experimental plan $(L_{18})$ was constituted by using the Taguchi orthogonal design. Results of experiments showed that pulse-on-time (34%) and current (31.26%) is the most influencing parameters. Besides this, the percentage contribution of particle reinforcement on the surface roughness is 6.71%.
    Źródło:
    Acta Physica Polonica A; 2013, 123, 2; 421-423
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and Characterization of Gd₂O₂SO₄:Pr⁺³ Scintillation Material Produced by Sol-Gel Process for Digital Imaging System
    Autorzy:
    Aritman, I.
    Yildirim, S.
    Kisa, A.
    Guleryuz, L.
    Yurddaskal, M.
    Dikici, T.
    Celik, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/1033327.pdf
    Data publikacji:
    2017-01
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    78.55.Hx
    Opis:
    Scintillation materials are widely used in digital X-ray imaging applications, radiotherapy applications coupled with suitable photoreceptors. Gd₂O₂SO₄ (GOS) scintillator doped with trivalent praseodymium (Pr⁺³) presented high X-ray absorption properties and good spectral compatibility which were utilized extensively for imaging system of X-ray microscopy, soft X-ray phosphor screen for water window. In this study, GOS:0.01Pr⁺³ scintillation material was synthesized by unique sol-gel process which was not previously applied and its characterization properties were investigated. Structure and luminescence properties of GOS:Pr⁺³ were optimized by utilizing X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, and luminescence spectroscopy.
    Źródło:
    Acta Physica Polonica A; 2017, 131, 1; 106-108
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of Dry Sliding Wear Behaviour of $B_4C$ Particulate Reinforced Mg Matrix Composites
    Autorzy:
    Feray Guleryuz, L.
    Ozan, S.
    Uzunsoy, D.
    Ipek, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1400050.pdf
    Data publikacji:
    2013-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    81.05.Ni
    81.20.Ev
    81.40.Pq
    Opis:
    Currently some composite materials and related manufacturing methods especially particle reinforced magnesium matrix composites are among important research topics because of their superior properties over monolithic metals. $Mg-B_4C_{p}$ is the commonly used composite material for fabrication of light-weight functional components. Wear behaviour of particle reinforced magnesium matrix composites play critical role for potential application in industries such as automotive and aerospace. In this study, the dry sliding wear behavior of particle reinforced magnesium matrix composites manufactured by powder metallurgy with different amount of $B_4C_{p}$ (3,6,9 wt%) addition is investigated. Wear tests are performed on a pin-on-disk configuration against SAE 1040 steel counter body under constant load and sliding speed. The wear behaviour of particle reinforced magnesium matrix composites was evaluated as a function of $B_4C_{p}$ amount (wt%). After the wear test, worn surface of the samples was examined by scanning electron microscopy for pointing out the wear mechanism.
    Źródło:
    Acta Physica Polonica A; 2013, 123, 2; 488-489
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characterization of Machined Surface by EDM for $Al//B_4C_{p}$ Composite Material
    Autorzy:
    Kasman, S.
    Feray Guleryuz, L.
    Ozan, S.
    Ipek, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399698.pdf
    Data publikacji:
    2013-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    81.05.Ni
    81.20.Ev
    81.20.Wk
    Opis:
    In this study, electrical discharge machining process was performed to investigate the machinability of $Al//B_4C_p$ metal matrix composites manufactured by powder metallurgy. For this, an experimental layout was conducted by using full factorial design. In the analysis, there are three parameters of which one is at three levels and the remaining are two levels. Totally, 48 experiments were carried out. The surface roughness $(R_{a})$ was increased with increasing the current (C), pulse-on-time $(T_{on})$, pulse-off-time $(T_{off})$ and amount of particle (PR).
    Źródło:
    Acta Physica Polonica A; 2013, 123, 2; 224-226
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An Experimental Study for Machinability of $Al//SiC_{p}$ Metal Matrix Composites by Laser
    Autorzy:
    Kasman, S.
    Ozan, S.
    Feray Guleryuz, L.
    Ipek, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399697.pdf
    Data publikacji:
    2013-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    81.05.Ni
    81.20.Ev
    81.20.Wk
    Opis:
    In this study, the laser milling process was used to investigate the machinability of particle reinforced aluminum matrix composites manufactured by powder metallurgy having different amount of $SiC_{p}$ (5, 10, 20 wt%). In this context, the laser parameters like scan speed and fill spacing were associated with the $SiC_{p}$ amount in aluminum (Al) matrix. According to the experimental results, the scan speed is dominant factor on both milling depth and surface roughness. Also, the reinforcement particle amount (wt%) is the effective factor but there is no detected significant relation between the surface roughness and reinforcement particle amount. However, the change in milling depth has been linearly changed with the increase of reinforcement particle amount.
    Źródło:
    Acta Physica Polonica A; 2013, 123, 2; 221-223
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Statistical Forecasting of Mechanical Properties of Mg-Ca Alloys Using Taguchi Design
    Autorzy:
    Feray Guleryuz, L.
    Ipek, R.
    Aritman, I.
    Karaoglu, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1033587.pdf
    Data publikacji:
    2017-03
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    Biodegradable Mg
    Taguchi
    Opis:
    In this study statistical Taguchi design was used to predict mechanical properties of biodegradable magnesium calcium composites, produced by powder metallurgy method. Results of analysis of variance (ANOVA) and regression analysis indicate the good accuracy of the model. Resulting microstructure and compression test behavior of the Mg-based alloys were studied. Visual inspection using scanning electron microscope analysis indicates that the microstructure of the composite is also greatly affected by these parameters. In addition, energy dispersive X-ray spectroscopy analysis was performed for reliable determination of the chemical composition of the samples.
    Źródło:
    Acta Physica Polonica A; 2017, 131, 3; 592-594
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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