<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The increasing application of composite materials in the construction of machines causes strong need for modelling and evaluating their strength. There are many well known hypotheses used for homogeneous materials subjected to monotone and cyclic loading conditions, which have been verified experimentally by various authors. These hypotheses should be verified also for composite materials. This paper provides experimental and theoretical results of such verifications for bimaterial structures with interfacial cracks. Three well known fracture hypotheses of: Griffith, McClintock and Novozhilov were chosen. The theoretical critical load values arising from each hypotheses were compared with the experimental data including uni and multi-axial loading conditions. All tests were carried out with using specially prepared specimens of steel and PMMA.</p></abstract>

The increasing application of composite materials in the construction of machines causes strong need for modelling and evaluating their strength. There are many well known hypotheses used for homogeneous materials subjected to monotone and cyclic loading conditions, which have been verified experimentally by various authors. These hypotheses should be verified also for composite materials. This paper provides experimental and theoretical results of such verifications for bimaterial structures with interfacial cracks. Three well known fracture hypotheses of: Griffith, McClintock and Novozhilov were chosen. The theoretical critical load values arising from each hypotheses were compared with the experimental data including uni and multi-axial loading conditions. All tests were carried out with using specially prepared specimens of steel and PMMA.

Verification of Brittle Fracture Criteria for Bimaterial Structures

Faculty of Mechanical Engineering, Białystok University of Technology, ul. Wiejska 45C, 15-351 Białystok, Poland

Acta Mechanica et Automatica

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

{"article-title":"Verification of Brittle Fracture Criteria for Bimaterial Structures"}

The increasing application of composite materials in the construction of machines causes strong need for modelling and evaluating their strength. There are...

Verification of Brittle Fracture Criteria for Bimaterial Structures

Publié en ligne: 02 juil. 2014

Pages: 44 - 48

DOI: https://doi.org/10.2478/ama-2014-0008

Mots clés
Fracture Criteria, Interfacial Crack, Delamination, Experimental Tests

© Bialystok University of Technology

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Verification of Brittle Fracture Criteria for Bimaterial Structures

Publié en ligne: 02 juil. 2014

Pages: 44 - 48

DOI: https://doi.org/10.2478/ama-2014-0008

Mots clésFracture Criteria, Interfacial Crack, Delamination, Experimental Tests

© Bialystok University of Technology

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Mots clés
Fracture Criteria, Interfacial Crack, Delamination, Experimental Tests