Generalized fracture toughness for specimens with re-entrant corners: Experiments vs. theoretical predictions

Structural Engineering and Mechanics

Volumn 32, Issue 5, 2009, Pages 609-620

  Carpinteri, Alberto ^a   Cornetti, Pietro ^a   Pugno, Nicola ^a   Sapora, Alberto ^a   Taylor, David ^b  

^a POLITECNICO DI TORINO   (Italy)

^b TRINITY COLLEGE DUBLIN   (Ireland)

Author keywords

Finite Fracture Mechanics; Fracture toughness; Tensile strength; Three point bending test; V notch

Indexed keywords

BENDING STRENGTH; BENDING TESTS; FORECASTING; FRACTURE MECHANICS; TENSILE STRENGTH;

FAILURE PARAMETERS; FINITE FRACTURE MECHANICS; FRACTURE CRITERIA; GENERALIZED STRESS INTENSITY FACTORS; RE-ENTRANT CORNERS; THREE-POINT BENDING SPECIMENS; THREE-POINT BENDING TEST; V-NOTCHES;

FRACTURE TOUGHNESS;

EID: 68149180755     PISSN: 12254568     EISSN: None     Source Type: Journal    
DOI: 10.12989/sem.2009.32.5.609     Document Type: Article

References (19)

1. Carpinteri, A. (1981), "Static and energetic fracture parameters for rocks and concretes", Mater. Struct., 14, 151-162.
2. Carpinteri, A. (1987), "Stress-singularity and generalized fracture toughness at the vertex of re-entrant corners", Eng. Fract. Mech., 26, 143-155.
3. Carpinteri, A. and Pugno, N. (2005), "Fracture instability and limit strength conditions in structures with reentrant corners", Eng. Fract. Mech., 72, 1254-1267.
4. Carpinteri, A., Cornetti, P., Barpi, F. and Valente, S. (2003), "Cohesive crack model description of ductile to brittle size-scale transition: Dimensional analysis vs. renormalization group theory", Eng. Fract. Mech., 70, 1809-1839.
5. Carpinteri, A., Cornetti, P., Pugno, N., Sapora, A. and Taylor, D. (2008), "A finite fracture mechanics approach to structures with sharp V-notches", Eng. Fract. Mech., 75, 1736-1752.
6. Cornetti, P., Pugno, N., Carpinteri, A. and Taylor, D. (2006), "Finite fracture mechanics: A coupled stress and energy failure criterion", Eng. Fract. Mech., 73, 2021-2033.
7. Dunn, M. L., Suwito, W. and Cunningham, S. (1997), "Fracture initiation at sharp notches: Correlation using critical stress intensities", Int. J. Solids Struct., 34, 3873-3883.
8. Lazzarin, P. and Zambardi, R. (2001), "A finite-volume-energy based approach to predict the static and fatigue behaviour of components with sharp v-shaped notches", Int. J. Fract., 112, 275-298.
9. Leguillon, D. (2002), "Strength or toughness? A criterion for crack onset at a notch", Eur. J. Mech. A/Solids, 21, 61-72.
10. Neuber, H. (1958), Theory of Notch Stresses, Springer, Berlin.
11. Novozhilov, V. (1969), "On a necessary and sufficient condition for brittle strength", Prik. Mat. Mek., 33, 212-222.
12. Pugno, N. and Ruoff, N. (2004), "Quantized fracture mechanics", Philos. Mag. A, 84, 2829-2845.
13. Seweryn, A. (1994), "Brittle fracture criterion for structures with sharp notches", Eng. Fract. Mech., 47, 673-681.
14. Sih, GC. (1991), "Mechanics of fracture initiation and propagation: Surface and volume energy density applied as failure criterion", Engineering Applications of Fracture Mechanics, Kluwer Academic Publisher: Dordrecht.
15. Sinclair, GB., Okajima, M. and Griffin, J. H. (1984), "Path independent integrals for computing stress intensity factors at sharp notches in elastic plates", Int. J. Numer. Meth. Eng., 20, 999-1008.
16. Tada, H., Paris, P. C. and Irwin, G. R. (1985), The Stress Analysis of Cracks, Handbook, Second edition, Paris Productions Incorporated, St Louis, Missouri, USA.
17. Taylor, D. (1999), "Geometrical effects in fatigue: a unifying theoretical model", Int. J. Fatig., 21, 413-420.
18. Taylor, D. (2004), "Predicting the fracture strength of ceramic materials using the theory of critical distances", Eng. Fract. Mech., 71, 2407-2416.
19. Taylor, D., Cornetti, P. and Pugno, N. (2005), "The fracture mechanics of finite crack extension", Eng. Fract. Mech., 72, 1021-1038.