Recent developments in brittle and quasi-brittle failure assessment of engineering materials by means of local approaches

F Berto, P Lazzarin - Materials Science and Engineering: R: Reports, 2014 - Elsevier
Brittle failure of components weakened by cracks or sharp and blunt V-notches is a topic of
active and continuous research. It is attractive for all researchers who face the problem of …

Three dimensional finite element mixed fracture mode under anti-plane loading of a crack

A Kotousov, F Berto, P Lazzarin, F Pegorin - Theoretical and Applied …, 2012 - Elsevier
The 3D Finite Element method is applied to mixed fracture under anti-plane loading of a
straight through-the-thickness crack in a linear elastic plate. This coupled fracture mode …

Effects of U-notches on the dynamic fracture and fragmentation of explosively driven cylinders

M Liang, X Li, F Lu - Theoretical and Applied Fracture Mechanics, 2015 - Elsevier
Metal cylinder specimens are explosively expanded to fragmentation and the effect of U-
notches in walls are investigated on fragmentation behaviors and failure mechanisms of the …

Notch stress intensity factors of flat plates with periodic sharp notches by using the strain energy density

P Lazzarin, R Afshar, F Berto - Theoretical and applied fracture mechanics, 2012 - Elsevier
Notch stress intensity factors (NSIFs) of a number of flat plates with periodic sharp V-notches
under a remote applied normal stress are calculated. The main objective of this study is to …

A synthesis of data from steel spot welded joints of reduced thickness by means of local SED

P Lazzarin, F Berto, B Atzori - Theoretical and Applied Fracture Mechanics, 2013 - Elsevier
In some previous works two fatigue scatterbands were given in terms of the local strain
energy density (SED) for welded joints made of structural steel and aluminium alloy. The …

Simplified analysis of fracture behaviour of a Francis hydraulic turbine runner blade

S Vantadori, A Carpinteri… - Fatigue & Fracture of …, 2013 - Wiley Online Library
Each welded connection between blades and band or crown of a Francis hydraulic turbine
runner can be considered as a T‐joint subjected to pure bending induced by the water …

Influence of crack offset distance on interaction of multiple collinear and offset edge cracks in a rectangular plate

PC Gope, N Bisht, VK Singh - Theoretical and Applied Fracture Mechanics, 2014 - Elsevier
In the present work, photoelastic and finite element method have been employed to study
the interaction between two collinear cracks and two offset edge cracks. CY 230 resin and …

Analytical expressions for the notch stress intensity factors of periodic V-notches under tension by using the strain energy density approach

R Afshar, F Berto, P Lazzarin… - The Journal of Strain …, 2013 - journals.sagepub.com
This article presents the notch stress intensity factors of a wide range of finite-width flat
plates with periodic edge notches. A broad series of notch configurations, varying from …

Some recent results on the fatigue strength of notched specimens made of 40CrMoV13. 9 steel at room and high temperature

F Berto - Physical Mesomechanics, 2015 - Springer
The work summarizes a large bulk of experimental data from specimens made of
40CrMoV13. 9 steel. The first part of the paper deals with multiaxial fatigue strength of …

Strain energy density approach for failure evaluation of occlusal loaded ceramic tooth crowns

F Pegorin, A Kotousov, F Berto, MV Swain… - Theoretical and applied …, 2012 - Elsevier
The crown notch-like geometry creates a strong stress concentration, which is characterised
by high stresses and severe stress gradient at the tip of the notch. In the vicinity of such …