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.
• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

cellular structure; aluminium alloy; FEM simulation

PL

struktura komórkowa; stop aluminiowy; symulacja MES

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2011
• Tom: Vol. 11, iss. 3 spec.
• Strony: 171--176
• Opis fizyczny: Bibliogr. 13 poz., rys., tab., wykr.

Twórcy

autor

Piekło J.

• Faculty of Foundry Engineering, AGH University of Science and Technology, Reymonta 23, 30-059 Krakow, Poland

autor

Pysz S.

• Foundry Research Institute, Zakopiańska 73, 30-418 Kraków, Poland

autor

Małysza M.

• Foundry Research Institute, Zakopiańska 73, 30-418 Kraków, Poland

autor

Karwiński A.

• Foundry Research Institute, Zakopiańska 73, 30-418 Kraków, Poland

Bibliografia

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