3D modeling of the mechanical behavior of ceramics with pores of different size

Abstract

Movable cellular automaton method was used for simulating uniaxial compression of 3D porous ceramic samples. Pores were considered explicitly by removing randomly selected automata from the original FCC packing. Distribution of pores in space, their size and the total fraction were varied. It is shown that the relation between mechanical properties of the material and its porosity significantly depends on the pore size. Thus, value of the elastic modulus of the samples with large pores is greater than that of the samples with small pores by average value of 3%-16%. Strength value of the samples with large pores is less than that of the samples with small pores by average value of 12% up to the porosity of 0.55, and then becomes to be greater. When the samples contain small and large pores there is a maximum of mechanical properties at ratio of volumes of large and small pores of about 0.75.

Original language	English
Title of host publication	AIP Conference Proceedings
Publisher	American Institute of Physics Inc.
Pages	591-594
Number of pages	4
Volume	1623
ISBN (Electronic)	9780735412606
DOIs	https://doi.org/10.1063/1.4899014
Publication status	Published - 1 Jan 2014
Event	International Conference on Physical Mesomechanics of Multilevel Systems 2014 - Tomsk, Russian Federation Duration: 3 Sep 2014 → 5 Sep 2014

Conference

Conference	International Conference on Physical Mesomechanics of Multilevel Systems 2014
Country	Russian Federation
City	Tomsk
Period	3.9.14 → 5.9.14

Keywords

Mechanical properties
Modeling
Movable cellular automata
Porous ceramics

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.4899014

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Smolin, AY, Eremina, GM, Konovalenko, IS & Psakhie, SG 2014, 3D modeling of the mechanical behavior of ceramics with pores of different size. in AIP Conference Proceedings. vol. 1623, American Institute of Physics Inc., pp. 591-594, International Conference on Physical Mesomechanics of Multilevel Systems 2014, Tomsk, Russian Federation, 3.9.14. https://doi.org/10.1063/1.4899014

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abstract = "Movable cellular automaton method was used for simulating uniaxial compression of 3D porous ceramic samples. Pores were considered explicitly by removing randomly selected automata from the original FCC packing. Distribution of pores in space, their size and the total fraction were varied. It is shown that the relation between mechanical properties of the material and its porosity significantly depends on the pore size. Thus, value of the elastic modulus of the samples with large pores is greater than that of the samples with small pores by average value of 3%-16%. Strength value of the samples with large pores is less than that of the samples with small pores by average value of 12% up to the porosity of 0.55, and then becomes to be greater. When the samples contain small and large pores there is a maximum of mechanical properties at ratio of volumes of large and small pores of about 0.75.",

keywords = "Mechanical properties, Modeling, Movable cellular automata, Porous ceramics",

author = "Smolin, {Alexey Yu} and Eremina, {Galina M.} and Konovalenko, {Igor S.} and Psakhie, {Sergey G.}",

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AU - Smolin, Alexey Yu

AU - Eremina, Galina M.

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PY - 2014/1/1

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N2 - Movable cellular automaton method was used for simulating uniaxial compression of 3D porous ceramic samples. Pores were considered explicitly by removing randomly selected automata from the original FCC packing. Distribution of pores in space, their size and the total fraction were varied. It is shown that the relation between mechanical properties of the material and its porosity significantly depends on the pore size. Thus, value of the elastic modulus of the samples with large pores is greater than that of the samples with small pores by average value of 3%-16%. Strength value of the samples with large pores is less than that of the samples with small pores by average value of 12% up to the porosity of 0.55, and then becomes to be greater. When the samples contain small and large pores there is a maximum of mechanical properties at ratio of volumes of large and small pores of about 0.75.

AB - Movable cellular automaton method was used for simulating uniaxial compression of 3D porous ceramic samples. Pores were considered explicitly by removing randomly selected automata from the original FCC packing. Distribution of pores in space, their size and the total fraction were varied. It is shown that the relation between mechanical properties of the material and its porosity significantly depends on the pore size. Thus, value of the elastic modulus of the samples with large pores is greater than that of the samples with small pores by average value of 3%-16%. Strength value of the samples with large pores is less than that of the samples with small pores by average value of 12% up to the porosity of 0.55, and then becomes to be greater. When the samples contain small and large pores there is a maximum of mechanical properties at ratio of volumes of large and small pores of about 0.75.

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