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Wyszukujesz frazę "Cieślak, J." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    The Development of Rapidly Solidified Magnesium – Copper Ribbons
    Autorzy:
    Pastuszak, M.
    Cieślak, G.
    Dobkowska, A.
    Mizera, J.
    Kurzydłowski, K. J.
    Powiązania:
    https://bibliotekanauki.pl/articles/958209.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    magnesium-based alloys
    rapid solidification
    microstructure
    mechanical properties
    corrosion properties
    Opis:
    The aim of the present work was to plan and carry out an experiment consisting of amorphization of industrial magnesium alloy WE 43 (Mg - 4 Y - 3 RE - 0.5 Zr) modified by the copper addition. Investigated alloy modified with 20% of copper was rapidly quenched with the use of melt spinning technique. The effects of cooling rate on the structure and properties of the obtained material were extensively analyzed. The structure and phase analysis of samples were examined using X-ray diffraction method (XRD) while the thermal stability of the samples was determined by differential scanning calorimetry (DSC). Microstructure observations were also conducted. The microhardness tests (HV0.02) and corrosion resistance tests were carried out to investigate the properties of the material. Corrosion resistance measurements were held using a typical three-electrode system. As the result of the research, the effect of cooling rate on microstructure and properties of investigated alloy was determined.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 2B; 1083-1088
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Comparison of the Microstructure and Corrosion Resistance of Sand Cast Aluminum Alloys
    Autorzy:
    Dobkowska, A.
    Adamczyk–Cieślak, B.
    Mizera, J.
    Kurzydłowski, K. J.
    Kiełbus, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/352870.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    aluminium-silicon-magnesium alloys
    microstructure
    corrosion
    Opis:
    The influence of different types of precipitation on the corrosion behavior was investigated in three aluminum-siliconmagnesium alloys. The microstructures of the alloys were studied through optical (OM) and scanning electron microscopy (SEM). The structures consisted of an α-Al solid solution matrix, Si eutectic crystals, secondary phases AlFeSi and AlMgFeSi (Chinese script), as well as Mg2Si. The corrosion behavior was examined with the use of a potentiodynamic polarization test followed by a SEM surface analysis. The results indicate that all the analyzed samples were in the passive state and AlSi10Mg was less reactive in the corrosive environment.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 1; 209-212
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Influence of the Microstructural Evolution on the Corrosion Resistance of Cold Drawn Copper Single Crystals in NaCl
    Autorzy:
    Koralnik, M.
    Dobkowska, A.
    Adamczyk-Cieslak, B.
    Mizera, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/353064.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    copper single crystal
    microstructure evolution
    texture evolution
    impedance spectroscopy
    potentiodynamic polarization
    open circuit potential
    Opis:
    The aim of the present work was to determine the influence of the microstructural evolution of copper single crystals with the initial orientations of <001> and <111> after cold drawing on their corrosion resistance. Transmission electron microscopy, X-ray diffraction, and electron backscattering diffraction were used to characterize the microstructural changes. To evaluate the corrosion resistance after deformation, open circuit potential, electrochemical impedance spectroscopy, and potentiodynamic polarization analyses were conducted. The microstructural observations showed the presence of dislocation cell structures and shear bands indeformed sample with initial orientation <001> single crystal, as well as a strongly-developed substructure in sample <111>. The material with initial orientation of <001> was more resistive in analyzed medium than material with the initial orientation of <111>.
    Źródło:
    Archives of Metallurgy and Materials; 2020, 65, 1; 55-64
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Precipitation Processes and Mechanical Properties of Aged Inconel 718 Alloy after Annealing
    Autorzy:
    Maj, P.
    Adamczyk-Cieślak, B.
    Slesik, M.
    Mizera, J.
    Pieja, T.
    Sieniawski, J.
    Gancarczyk, T.
    Dudek, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/352832.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    inconel 718
    mechanical properties
    heat treatment
    Opis:
    Inconel 718 is a precipitation hardenable nickel-iron based superalloy. It has exceptionally high strength and ductility compared to other metallic materials. This is due to intense precipitation of the γ’ and γ” strengthening phases in the temperature range 650-850°C. The main purpose of the authors was to analyze the aging process in Inconel 718 obtained in accordance with AMS 5596, and its effect on the mechanical properties. Tensile and hardness tests were used to evaluate the mechanical properties, in the initial aging process and after reheating, as a function of temperature and time respectively in the ranges 650°-900°C and 5-480 min. In addition, to link the mechanical properties with the microstructure transmission microscopy observations were carried out in selected specimens. As a result, factors influencing the microstructure changes at various stages of strengthening were observed. The authors found that the γ’’ phase nucleates mostly homogenously in the temperature range 650-750°C, causing the greatest increase in strength. On the other hand, the γ’ and δ phases are formed heterogeneously at 850°C or after longer annealing in 800°C, which may weaken the material.
    Źródło:
    Archives of Metallurgy and Materials; 2017, 62, 3; 1695-1702
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Computer Simulation of the Formation of Non-Metallic Precipitates During a Continuous Casting of Steel
    Autorzy:
    Kalisz, D.
    Żak, P. L.
    Tokarski, T.
    Wzorek, Ł.
    Suchy, J. S.
    Kiczor, M.
    Cieślak, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/958226.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    non-metallic oxide precipitates
    modelling
    continuous casting of steel
    crystallization
    Opis:
    The authors own computer software, based on the Ueshima mathematical model with taking into account the back diffusion, determined from the Wołczyński equation, was developed for simulation calculations. The applied calculation procedure allowed to determine the chemical composition of the non-metallic phase in steel deoxidised by means of Mn, Si and Al, at the given cooling rate. The calculation results were confirmed by the analysis of samples taken from the determined areas of the cast ingot. This indicates that the developed computer software can be applied for designing the steel casting process of the strictly determined chemical composition and for obtaining the required non-metallic precipitates.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 1; 335-340
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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