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Wyszukujesz frazę "Yıldırım, Ali" wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Elastic solutions based on the Mori-Tanaka scheme for pressurized functionally graded cylinder
Autorzy:
Eker, Mehmet
Yarımpabuç, Durmu
Yıldırım, Ali
Çelebi, Kerimcan
Powiązania:
https://bibliotekanauki.pl/articles/1839733.pdf
Data publikacji:
2020
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
FGM
functional gradient material
pseudospectral Chebyshev method
Mori-Tanaka homogenization
cylindrical pressure vessel
materiał funkcjonalnie gradientowy
cylindryczny zbiornik ciśnieniowy
pseudospektralna metoda Czebyszewa
metoda Czebyszewa
homogenizacja Mori-Tanaka
Opis:
In this paper, an elastic analysis of a thick-walled functionally graded cylinder subjected to internal pressure is examined. Material properties for the isotropic material are estimated to obey the Mori-Tanaka homogenization scheme through the thickness. The resulting two-point irregular boundary value problem is solved by the pseudospectral Chebyshev method that converts the boundary value problem to the system of equations, which can be solved by any appropriate decomposition method. Benchmark solutions are used to validate the method. The effect of the arbitrarily chosen volume fraction index is demonstrated for stress and displacement distributions. The effective stresses for different inner radius and volume fraction index are also discussed.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2020, 19, 4; 57-68
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Elastic solutions based on the Mori-Tanaka scheme for pressurized functionally graded cylinder
Autorzy:
Eker, Mehmet
Yarımpabuç, Durmu
Yıldırım, Ali
Çelebi, Kerimcan
Powiązania:
https://bibliotekanauki.pl/articles/1839749.pdf
Data publikacji:
2020
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
FGM
functional gradient material
pseudospectral Chebyshev method
Mori-Tanaka homogenization
cylindrical pressure vessel
materiał funkcjonalnie gradientowy
cylindryczny zbiornik ciśnieniowy
pseudospektralna metoda Czebyszewa
metoda Czebyszewa
homogenizacja Mori-Tanaka
Opis:
In this paper, an elastic analysis of a thick-walled functionally graded cylinder subjected to internal pressure is examined. Material properties for the isotropic material are estimated to obey the Mori-Tanaka homogenization scheme through the thickness. The resulting two-point irregular boundary value problem is solved by the pseudospectral Chebyshev method that converts the boundary value problem to the system of equations, which can be solved by any appropriate decomposition method. Benchmark solutions are used to validate the method. The effect of the arbitrarily chosen volume fraction index is demonstrated for stress and displacement distributions. The effective stresses for different inner radius and volume fraction index are also discussed.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2020, 19, 4; 57-68
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microstructural Evolution and Oxidation Behavior of Fe-4Cr-6Ti Ferritic Alloy with Fe2Ti Laves Phase Precipitates
Autorzy:
Demirel, Ahmet
Çetin, Emre Can
Karakuş, Ali
Ataş, Mehmet Şahin
Yildirim, Mehmet
Powiązania:
https://bibliotekanauki.pl/articles/2125526.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ferritic alloy
microstructure
precipitation hardening
laves phase
oxidation
Opis:
The microstructural properties and hardness of a model ternary Fe-4Cr-6Ti ferritic alloy aged at 800°C for 8, 16 and 24 h are investigated in detail. Fine Fe2Ti Laves phase particles precipitate in the α-Fe (ferrite) matrix phase after solutionizing and subsequent aging treatments. The size and amount of Fe2Ti precipitates gradually increase with increasing aging time. The magnetic measurements of the aged samples confirm the variations in the microstructural properties including the volume fraction of the constituent phases, and Ti content of the α-Fe matrix phase. The mean Vickers microhardness value also increases from 203.5 to 238.4 with increasing aging time from 8 to 24 h. In addition, the cyclic oxidation behavior of 24 h aged sample, which contains maximum amount of Fe2Ti precipitates, is also investigated in detail. X-ray diffraction analysis reveals that scale product is α-Fe2O3 (hematite). Significant scale spallation and void formation is observed on the surfaces of 24 h aged Fe-4Cr-6Ti sample oxidized at 500°C.
Źródło:
Archives of Metallurgy and Materials; 2022, 67, 3; 827--836
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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