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    Wyświetlanie 1-5 z 5
    Tytuł:
    Abrasive Wear of Alloyed Cast Steels Applied for Heavy Machinery
    Autorzy:
    Studnicki, A.
    Kondracki, M.
    Suchoń, J.
    Szajnar, J.
    Bartocha, D.
    Wróbel, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/380173.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    low alloyed cast steel
    chromium cast steel
    abrasive wear
    pin on disc method
    staliwo niskostopowe
    staliwo chromowe
    zużycie ścierne
    metoda "pin on disc"
    Opis:
    In the paper the results and analysis of abrasive wear studies were shown for two grades of cast steels: low-alloyed cast steel applied for heavy machinery parts such as housing, covers etc. and chromium cast steels applied for kinetic nodes of pin-sleeve type. Studies were performed using the modified in Department of Foundry pin-on-disc method.
    Źródło:
    Archives of Foundry Engineering; 2015, 15, 1; 99-104
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of tribology parameters of AZ91D magnesium alloy in dry sliding condition using response surface methodology and genetic algorithm
    Autorzy:
    Beniyel, M.
    Sivapragash, M.
    Vettivel, S. C.
    Senthil Kumar, P.
    Ajith Kumar, K. K.
    Niranjan, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2173540.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    magnesium alloy
    pin-on-disc
    tribology
    dry condition
    optimization
    casting
    stop magnezu
    trybologia
    stan suchy
    optymalizacja
    odlew
    Opis:
    In the present research, the wear behaviour of magnesium alloy (MA) AZ91D is studied and optimized. MA AZ91D is casted using a die-casting method. The tribology experiments are tested using pin-on-disc tribometer. The input parameters are sliding velocity (1‒3 m/s), load (1‒5 kg), and distance (0.5‒1.5 km). The worn surfaces are characterized by a scanning electron microscope (SEM) with energy dispersive spectroscopy (EDS). The response surface method (RSM) is used for modelling and optimising wear parameters. This quadratic equation and RSM-optimized parameters are used in genetic algorithm (GA). The GA is used to search for the optimum values which give the minimum wear rate and lower coefficient of friction. The developed equations are compared with the experimental values to determine the accuracy of the prediction.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 1; art. no. e135835
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of tribology parameters of AZ91D magnesium alloy in dry sliding condition using response surface methodology and genetic algorithm
    Autorzy:
    Beniyel, M.
    Sivapragash, M.
    Vettivel, S. C.
    Senthil Kumar, P.
    Ajith Kumar, K. K.
    Niranjan, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2090729.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    magnesium alloy
    pin-on-disc
    tribology
    dry condition
    optimization
    casting
    stop magnezu
    trybologia
    stan suchy
    optymalizacja
    odlew
    Opis:
    In the present research, the wear behaviour of magnesium alloy (MA) AZ91D is studied and optimized. MA AZ91D is casted using a die-casting method. The tribology experiments are tested using pin-on-disc tribometer. The input parameters are sliding velocity (1‒3 m/s), load (1‒5 kg), and distance (0.5‒1.5 km). The worn surfaces are characterized by a scanning electron microscope (SEM) with energy dispersive spectroscopy (EDS). The response surface method (RSM) is used for modelling and optimising wear parameters. This quadratic equation and RSM-optimized parameters are used in genetic algorithm (GA). The GA is used to search for the optimum values which give the minimum wear rate and lower coefficient of friction. The developed equations are compared with the experimental values to determine the accuracy of the prediction.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 1; e135835, 1--10
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Primary Crystallization Studies and Abrasion Analysis of Cr-Ni-Mo Cast Steel
    Autorzy:
    Studnicki, A.
    Gromczyk, M.
    Kondracki, M.
    Suchoń, J.
    Szajnar, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/382166.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    chromium cast steel
    primary crystallization
    wear test
    abrasion
    pin on disc
    staliwo chromowe
    krystalizacja pierwotna
    badanie zużycia
    ścieranie
    Opis:
    The article shows results of studies of primary crystallization and wear resistance of Cr-Ni-Mo cast steel intended for work in corrosive and abrasive conditions. The studies of primary crystallization were conducted with use of TDA method and modified tester allowing measurement casting cooling time influence on the cooling and crystallization curves of studied alloys. After heat treatment of examined cast steel wear tests of the samples were conducted on pin-on-disc type device.
    Źródło:
    Archives of Foundry Engineering; 2015, 15, 4; 75-80
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tribological properties of Cu based composite materials strengthened with Al2O3 particles
    Autorzy:
    Kaczmar, J.
    Granat, K.
    Grodzka, E.
    Kurzawa, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/381312.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    metal matrix composite
    copper
    aluminium oxide particles
    tribological properties
    wear resistance
    friction coefficient
    Pin-on-disc tester
    kompozyt metalowy
    miedź
    tlenek aluminium
    właściwości tribologiczne
    odporność na ścieranie
    współczynnik tarcia
    Opis:
    In the present work copper was strenghtened with 20 and 30 vol. % of alumina particles characterized by diameter of 3-6μm. The copper based composite materials were manufactured by the squeeze casting method. Preheated preforms made from Al2O3 particles were placed in the desired place in the heated cast die and the squeeze casting process with liquid copper was performed applying the infiltration pressure of 90MPa and pressure was kept for 10-15s until solidification was complete. The microstructure and physical properties: Brinell hardness (HBW) and density were characterized. Metallografic examinations showed that alumina particles were uniformly distributed in the copper matrix. Hardness of 208 HBW for composite materials containing 30 vol.% of particles was achieved. Wear investigations were performed applying the tribological pin-on-disc tester. Friction forces between copper based composite materials containing 20 and 30 vol. % of Al2O3 particles and cast iron were registered and wear was determined on the base of the specimen mass loss after 1.0, 3.5 and 8.5 km friction distance.
    Źródło:
    Archives of Foundry Engineering; 2012, 12, 2s; 33-36
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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