Beacon: bentonite mechanical evolution Patrik Sellin, Mary Westermark, Olivier Leupin, Simon Norris, Antonio Gens, Klaus Wieczorek, Jean Talandier and Johan Swahn EPJ Nuclear Sci. Technol., 6 (2020) 23 Published online: 05 May 2020 DOI: 10.1051/epjn/2019045