- Tytuł:
- Analysis by numerical calculations of the depth and dynamics of the penetration of ordered cellular structure made by casting from AlSi10Mg eutectic alloy
- Autorzy:
-
Piekło, J.
Pysz, S.
Małysza, M.
Karwiński, A. - Powiązania:
- https://bibliotekanauki.pl/articles/381188.pdf
- Data publikacji:
- 2011
- Wydawca:
- Polska Akademia Nauk. Czytelnia Czasopism PAN
- Tematy:
-
cellular structure
aluminium alloy
FEM simulation
struktura komórkowa
stop aluminiowy
symulacja MES - Opis:
- Owing to high plastic deformability while maintaining stress values constant and relatively low, ordered cellular structures are characterised by excellent properties and the ability to dissipate the impact energy. Due to the low weight, structures of this type can be used, among others, for different parts of motor vehicles. For tests, a trapezoidal ordered cellular structure of 50.8 x 50.8 x 25.4 (mm) overall dimensions was selected. It was made as an investment casting from AlSi9Mg eutectic alloy by the method of Rapid Prototyping (RP). During FEM computations using an Abaqus programme, it was assumed that the material is isotropic and exhibits the features of an elastic – plastic body, introducing to calculations the, listed in a table, values of the stress-strain curve obtained in tensile tests performed on a MTS testing machine (10T). The computations used Johnson - Cook model, which is usually sufficiently accurate when modelling the phenomena of penetration of an element by an object of high initial velocity. The performed numerical calculations allowed identification of changes in speed and energy of the penetrator during structure perforation.
- Źródło:
-
Archives of Foundry Engineering; 2011, 11, 3 spec.; 171-176
1897-3310
2299-2944 - Pojawia się w:
- Archives of Foundry Engineering
- Dostawca treści:
- Biblioteka Nauki
Artykuł