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Wyszukujesz frazę "secondary aluminium alloy" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
The comparison of the porosity formation in different casted secondary aluminium alloy
Autorzy:
Kuchariková, L.
Tillová, E.
Powiązania:
https://bibliotekanauki.pl/articles/114817.pdf
Data publikacji:
2017
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
secondary aluminium alloy
porosity
sand mould
metallic mould
wtórny stop aluminium
porowatość
forma piaskowa
forma metalowa
Opis:
The porosity formation in secondary aluminium cast alloys are one of the main aspect which can affect the final properties of casts. Whereas these materials are especially used for production the automotive casts such as engine blocks, cylinder head, chassis components and so on, it is need the production of the casts without deleterious defects. The contributions deals with comparison of the porosity formation in secondary AlSi9Cu3 cast alloy when different moulds (the metallic mould and sand mould) for casting were used. The material was gravity casted in the both mould. The differences in microstructure and porosity formation were studied by using light metallography microscopy and image analyser software. The evolution shows that the experimental material casted into the metallic mould had about 98.78% smaller porosity size in comparison to the material casted into the sand mould, therefore it showed better properties.
Źródło:
Zeszyty Naukowe. Quality. Production. Improvement; 2017, 1 (6); 12-19
2544-2813
Pojawia się w:
Zeszyty Naukowe. Quality. Production. Improvement
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality of automotive sand casting with different wall thickness from progressive secondary alloy
Autorzy:
Pastierovičová, Lucia
Kuchariková, Lenka
Tillová, Eva
Chalupová, Mária
Pastirčák, Richard
Powiązania:
https://bibliotekanauki.pl/articles/26078793.pdf
Data publikacji:
2022
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
jakość odlewów
wtórny stop aluminium
grubość ściany
analiza ilościowa
wyższa zawartość Fe
quality of castings
secondary aluminium alloy
wall thickness
quantitative analysis
higher Fe content
Opis:
This paperwork is focused on the quality of AlSi6Cu4 casting with different wall thicknesses cast into the metal mold. Investigated are structural changes (the morphology, size, and distribution of structural components). The quantitative analysis is used to numerically evaluate the size and area fraction of structural parameters (α-phase, eutectic Si, intermetallic phases) between delivered experimental material and cast with different wall thicknesses. Additionally, the Brinell hardness is performed to obtain the mechanical property benefits of the thin-walled alloys. This research leads to the conclusion, that the AlSi6Cu4 alloy from metal mold has finer structural components, especially in small wall thicknesses, and thus has better mechanical properties (Brinell hardness). These secondary Al-castings have a high potential for use in the automotive industry, due to the thin thicknesses and thus lightweight of the construction.
Źródło:
Production Engineering Archives; 2022, 28, 2; 172--177
2353-5156
2353-7779
Pojawia się w:
Production Engineering Archives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of major alloying elements on the size of the secondary dendrite arm spacing in the as-cast Al-Si-Cu alloys
Autorzy:
Djurdjevič, M. B.
Grzinčič, M. A.
Powiązania:
https://bibliotekanauki.pl/articles/382396.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
stop AlSiCu
odlewanie aluminium
krzepnięcie
secondary dendrite arm spacing
AlSiCu alloy
aluminium casting
solidification
Opis:
A comprehensive understanding of melt quality is of paramount importance for the control and prediction of actual casting characteristics. Among many phenomenons that occur during the solidification of castings, there are four that control structure and consequently mechanical properties: chemical composition, liquid metal treatment, cooling rate and temperature gradient. The cooling rate and alloy composition are among them most important. This paper investigates the effect of some major alloying elements (silicon and copper) of Al-Si-Cu alloys on the size of the secondary dendrite arm spacing. It has been shown that both alloying elements have reasonable influence on the refinement of this solidification parameter.
Źródło:
Archives of Foundry Engineering; 2012, 12, 1; 19-24
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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