معیار طراحی برای قطعات لاستیکی تحت بارگذاری دو طرفه

In this study, we developed a theoretical approach based on a reference axis change principle, introduced earlier for solid composite propergol and elastomers. The designing criterion based upon equivalent elongation, evaluated in a polar coordinates system, is expressed as function of two parameters. The comparison of the failure experimental data with the prediction of our criterion, for several tested elastomers, shows a good agreement.