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Wyszukujesz frazę "Karslioğlu, R." wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Characteristics Bronze/$Al_2O_3(Ni)$ Reinforcement Metal Matrix Composite Produced by Current Activated Sintering
Autorzy:
Uysal, M.
Karslioğlu, R.
Akbulut, H.
Alp, A.
Powiązania:
https://bibliotekanauki.pl/articles/1399704.pdf
Data publikacji:
2013-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.05.Ni
81.20.Ev
81.40.Pq
Opis:
In this study, a bronze matrix (90 wt% Cu + 10 wt% Sn) was reinforced with $Al_2O_3$ particles using mechanical alloying and then produced by a subsequent rapid current sintering technique. The mechanically ball milled bronze powders were reinforced with electroless Ni coated 20 vol.% $Al_2O_3$ particles with three different particle sizes of 90, 70, and 50 μm. Microhardness testing, and scanning electron microscopy were used for the structural characterization of the composites. The tribological behavior of the resultant composites was tested by the ball-on-disk method at 1.0 N applied load with 0.3 m/s sliding speed for determination the wear loss and friction coefficient features against a counterface steel ball.
Źródło:
Acta Physica Polonica A; 2013, 123, 2; 235-237
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Preparation of Core-Shell $Al_2O_3//Cu$ Composite Powders by Electroless Plating in the Alkaline Solution
Autorzy:
Uysal, M.
Karslioğlu, R.
Alp, A.
Akbulut, H.
Powiązania:
https://bibliotekanauki.pl/articles/1399707.pdf
Data publikacji:
2013-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.37.Hk
Opis:
In this study, Cu-coated $Al_2O_3$ composite powders were synthesized by using electroless plating method. The influence of the plating bath composition and ceramic powder concentration on the Cu plating was characterized by scanning electron microscopy, energy dispersive spectroscopy, and X-ray diffraction techniques. The results showed that the electroless bath composition plays an important role for the structure of nano core-shell $Al_2O_3//Cu$ composite powders. The content of copper in the composite powders could be effectively controlled by adjusting the content of copper sulfate and formaldehyde in the plating solution. Furthermore, the pretreatment of the $Al_2O_3$ powders is also a key factor to form a uniform shell copper layer coating on $Al_2O_3$ particles.
Źródło:
Acta Physica Polonica A; 2013, 123, 2; 238-240
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reciprocating Wear Behavior of Ni-Co Alloys Produced by Pulse Current Electrodeposition
Autorzy:
Karslioğlu, R.
Uysal, M.
Alp, A.
Akbulut, H.
Powiązania:
https://bibliotekanauki.pl/articles/1399969.pdf
Data publikacji:
2013-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.35.bd
82.45.Aa
Opis:
In the present work, Ni-Co alloy coatings were prepared from a modified Watt type electrolyte by direct current. For this purpose, current density was investigated for optimization to obtain high quality coatings on the steel copper substrates. The depositions were controlled to obtain specific thickness (between 50 and 200 μm). The characterization of the coatings was investigated by scanning electron microscopy and X-ray diffraction facilities. The hardness of the resultant coatings was also measured. The effects of the current density on the tribological properties of Ni-Co coatings were investigated. The results showed that although increasing current density showed increasing coating thickness, the wear resistance of the Ni-Co alloys was decreased due to Co depletion in the deposited layer.
Źródło:
Acta Physica Polonica A; 2013, 123, 2; 424-426
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electrochemical Performance of Pulse Electrodeposited Sn-Ni/MWCNT Composite Anode for Lithium-Ion Batteries
Autorzy:
Uysal, M.
Görmüş, H.
Karslıoğlu, R.
Alp, A.
Akbulut, H.
Powiązania:
https://bibliotekanauki.pl/articles/1218848.pdf
Data publikacji:
2014-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.15.Pq
82.47.Aa
81.05.Mh
Opis:
Grain size, and MWCNT content in the electrolyte of nanocrystalline Sn-Ni/MWCNT composite deposits produced from a solution containing nickel chloride and tin chloride at constant electrodeposition conditions (pulse on-time $T_{on}$ at 2.5 ms and pulse off-time $T_{off}$ at 7.5 ms) but with different peak current densities were investigated. The structure of the electroplated thin film Sn-Ni/MWCNTs composite electrode is investigated by X-ray diffraction, scanning electron microscopy. Galvanostatic charge/discharge measurements were performed in the assembled CR2016 cells designed by using anode composite material produced by pulse electro co-deposition. These cells discharge capacities were cyclically tested by a battery tester at a constant current in voltage range between 0.02 and 1.5 V. The electrochemical results showed that the increase in the discharge capacity of the assembled cell was produced when compared with conventionally used graphite lithium-ion batteries.
Źródło:
Acta Physica Polonica A; 2014, 125, 2; 353-356
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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