Effect of Pores on Mechanical Behavior. Application to the Composite Material

The effects of microscopic pores, during the historical deformation on the behavior of ductile material are experimentally and numerically investigated. The material used in this study is constituted from the glass beads which are incorporated in the polyester resin. During moulding of these c...

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Datum:2002
Hauptverfasser: Salih, A., Fassi Fehri, О., Charif d ’Ouazzane, S., Azari, Z.
Format: Artikel
Sprache:English
Veröffentlicht: Інститут проблем міцності ім. Г.С. Писаренко НАН України 2002
Schriftenreihe:Проблемы прочности
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Online Zugang:http://dspace.nbuv.gov.ua/handle/123456789/46884
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Effect of Pores on Mechanical Behavior. Application to the Composite Material / А. Sali, О. Fassi Fehri, S. Charif d ’Ouazzane, Z. Azari // Проблемы прочности. — 2002. — № 5. — С. 17-31. — Бібліогр.: 12 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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Zusammenfassung:The effects of microscopic pores, during the historical deformation on the behavior of ductile material are experimentally and numerically investigated. The material used in this study is constituted from the glass beads which are incorporated in the polyester resin. During moulding of these constituents, the pores remain in the material because of the resin viscosity. The experimental technique used for the characterization of the effect of pores is the tensile test. The constitutive equations of poroelastoplasticity are developed according to the micromechanical consideration. The material model developed by Gurson is extended to this composite material. The numerical results are obtained and compared with the experimental ones.