- Tytuł:
- Influence of Sand Fluidization on Structure and Properties of Aluminum Lost Foam Casting
- Autorzy:
- Kaliuzhnyi, P.
- Powiązania:
- https://bibliotekanauki.pl/articles/380477.pdf
- Data publikacji:
- 2020
- Wydawca:
- Polska Akademia Nauk. Czytelnia Czasopism PAN
- Tematy:
-
innovative foundry technologies
lost foam casting
aluminum alloy
sand fluidization
innowacyjne technologie odlewnicze
metoda traconej piany
stop aluminium
fluidyzacja - Opis:
- The article presents investigation results of the effect of sand fluidization on the structure and mechanical properties of AlSi9 aluminum alloy. Castings were made by lost foam casting process with sand fluidization in mold at the stages of their solidification and cooling. Sand fluidization was achieved by blowing sand bed with compressed air in a foundry container. The metallographic study was carrying out on samples cut from different sections of the castings. Mechanical properties were determined on specimens made from cast samples. Microstructural analysis showed that sand fluidization increases the cooling rate, as a result, the main microstructural components of the alloy – SDAS, eutectic silicon and needles of the rich-iron phase – decrease. Moreover, in different sections of the casting structure is more uniform. With an increasing the air flow rate, a greater refinement of the structure is observed. Through the use of sand fluidization, the mechanical properties of LFC aluminum alloys increase to the level of gravity die castings.
- Źródło:
-
Archives of Foundry Engineering; 2020, 20, 1; 122-126
1897-3310
2299-2944 - Pojawia się w:
- Archives of Foundry Engineering
- Dostawca treści:
- Biblioteka Nauki
Artykuł