期刊
POLYMER TESTING
卷 26, 期 7, 页码 896-902出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymertesting.2007.06.014
关键词
fracture criterion; finite deformation; trisectrix plan; logarithmic elongation; biaxiality ratio
The aim of this paper is to propose a new fracture criterion of rubber-like materials under plane stress loading. Our experimental data already published [A. Hamdi, M. Nait Abdelaziz, N. Ait Hocine, P. Heuillet, N. Benseddiq, Fracture criteria of rubber like-materials under plane stress conditions. Polym. Test. 25(9) (2006) 994-1005] are herein completed by results obtained from pure shear tests and then further analysed. In this analysis, we used a theoretical approach based on a reference axis change principle, introduced earlier by Neviere et al. [A strain based design criterion for solid propellant rocket motors. Proceedings OTAN, Symposium on Combat Survivability of Air, Sea and Land Vehicles, Alborg, Denmark, 2002, pp. 23-26] for the case of solid propellant materials. Logarithmic extensions evaluated in a specific coordinates system were introduced in the analytical development, which leads to identifying a relevant rubber fracture criterion. The ultimate experimental extensions were compared with the predictions of this criterion and good agreement was observed. (c) 2007 Elsevier Ltd. All rights reserved.
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