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- Institute for Complex SystemsIT79 papers
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22 papers · 1 filter
A coupled approach to predict cone-cracks in spherical indentation tests with smooth or rough indenters
Maria Rosaria Marulli, Jacopo Bonari, Josè Reinoso +1
Indentation tests are largely exploited in experiments to characterize the mechanical and fracture properties of the materials from the resulting crack patterns. This work proposes…
Phase-field modelling of failure in ceramics with multiscale porosity
Riccardo Cavuoto, Pietro Lenarda, Anna Tampieri +2
Many stiff biological materials exhibiting outstanding compressive strength/weight ratio are characterized by high porosity, spanning different size-scales, typical examples being…
Crack trajectories in materials containing voids via phase-field modelling
Riccardo Cavuoto, Pietro Lenarda, Diego Misseroni +2
Fracture growth in a material is strongly influenced by the presence of inhomogeneities, which deviate crack trajectories from rectilinearity and deeply affect failure. Increasing…
Mechanical characterization and failure modes in the peeling of adhesively bonded strips from a plastic substrate
Hamed Zarei, Maria Rosaria Marulli, Marco Paggi +3
With the aim of understanding failure modes in the peeling of silicone-based adhesive joints and, in particular, the occurrence of adhesive or cohesive failure, an experimental cam…
Hierarchical porosity ihnerited by natural sources affects the mechanical and biological behaviour of bone scaffolds
Simone Sprio, Silvia Panseri, Monica Montesi +8
A 3-D porous apatite scaffold (B-HA), recently obtained through biomorphic transformation of a natural wood, is investigated on its multi-scale porous structure determining superio…
Crack arrest through branching at curved weak interfaces: an experimental and numerical study
M. T. Aranda, I. G. Garcia, J. Reinoso +2
The phenomenon of arrest of an unstably-growing crack due to a curved weak interface is investigated. The weak interface can produce the deviation of the crack path, trapping the c…