Issue 49

G. M. Dominguez Almaraz et alii, Frattura ed Integrità Strutturale, 49 (2019) 360-369; DOI: 10.3221/IGF-ESIS.49.36 369 [25] Kumari, M., Sodaye, H.S., Sen, D., Bindal, R.C. (2018). Properties and morphology studies of proton exchange membranes based on cross-linked sulfonated poly (ether ether ketone) for electrochemical application: Effect of cross- linker chain length, Sol. Est. Ionics, 316, pp. 75-84. DOI: 10.1016/j.ssi.2017.12.027. [26] https://www.chemours.com/Nafion/en_US/assets/downloads/nafion-extrusion-cast-membranesproduct- information.pdf. [27] Silberstein, M.N., Pillai, P.V., Boyce, M.C. (2011). Biaxial elastic–viscoplastic behavior of Nafion membranes, Polymers, 52(2), pp. 529-539. DOI: 10.1016/j.polymer.2010.11.032. [28] Saxena, A., Bassi, F., Nibur, K., Newman Jr, J.C. (2017). On single-edge-crack tension specimens for tension- compression fatigue crack growth testing, Eng. Fract. Mech., 176, pp. 343-350. DOI: 10.1016/j.engfracmech.2017.03.030. [29] Tada, H., Paris, P.C., Irwin, G.R. (1973). The Stress Analysis of Cracks Handbook, Third Edition, New York – London, Wiley & Sons, 696.