Analysis of high velocity impacts of quasibrittle material fragments with a Hopkinson barJ. M. Rodríguez-Sereno, J. Pernas-Sánchez, J.A. Artero-Guerrero and J. López PuenteEPJ Web Conf., 250 (2021) 01030DOI: https://doi.org/10.1051/epjconf/202125001030