3D images reveal link between crack complexity and material toughness par Frédéric PELASCINI | 25 Mar 2024 | Actualités 3D images reveal link between crack complexity and material toughness By capturing a rare glimpse into three-dimensional crack formation in brittle solids, EPFL researchers have found that complex cracks require more energy to advance than simple ones; a discovery that could improve materials testing and development. EurekAlert!