Incorporation of the Pore Size Variation to Modeling of the Elastic Behavior of Metallic Open-Cell Foams

• Autorzy: Ćwieka K. , Wejrzanowski T. , Kurzydłowski K. J.

Identyfikatory

DOI

10.1515/amm-2017-0039

• Języki publikacji: EN

Abstrakty

EN

In the present paper we present the approach for modeling of the elastic behavior of open-cell metallic foams concerning non-uniform pore size distribution. This approach combines design of foam structures and numerical simulations of compression tests using finite element method (FEM). In the design stage, Laguerre-Voronoi tessellations (LVT) were performed on several sets of packed spheres with defined variation of radii, bringing about a set of foam structures with porosity ranging from 74 to 98% and different pore size variation quantified by the coefficient of pore volume variation, CV(V), from 0.5 to 2.1. Each structure was numerically subjected to uni-axial compression test along three directions within the elastic region. Basing on the numerical response, the effective Young’s modulus, E_eff, was calculated for each structure. It is shown that the E_eff is not only dependent on the porosity but also on the pore size variation.

Słowa kluczowe

EN

open-cell metallic foams; Laguerre-Voronoi tessellations; pore size variation; Young's modulus

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2017
• Tom: Vol. 62, iss. 1
• Strony: 259--262
• Opis fizyczny: Bibliogr. 21 poz., rys., wzory

Twórcy

autor

Ćwieka K.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, 141 Wołoska Str., 02-507 Warsaw, Poland

autor

Wejrzanowski T.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, 141 Wołoska Str., 02-507 Warsaw, Poland

autor

Kurzydłowski K. J.

• Warsaw University of Technology, Faculty of Materials Science and Engineering, 141 Wołoska Str., 02-507 Warsaw, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).