Stable and unstable fracture of thin brittle disks under a ball-on-3-balls loading

Engineering Fracture Mechanics

Volumn 76, Issue 16, 2009, Pages 2486-2494

  Schell, K G ^a   Fett, T ^a   Rizzi, G ^b   Esfehanian, M ^a   Oberacker, R ^a   Hoffmann, M J ^a  

^a UNIVERSITY OF KARLSRUHE   (Germany)

^b KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

Author keywords

Ball on 3 balls loading; Crack extension behaviour; R curve

Indexed keywords

ANALYTICAL DESCRIPTION; BALL-ON-3-BALLS LOADING; COARSE-GRAINED; CRACK EXTENSION; CRACK EXTENSION BEHAVIOUR; CRACK-GROWTH RESISTANCE; MACROSCOPIC CRACKS; NATURAL CRACKS; R-CURVE; SEMI-ELLIPTICAL SURFACE CRACKS; SMALL CRACK; STRESS DISTRIBUTION; UNSTABLE FRACTURE;

BRITTLE FRACTURE; DISKS (STRUCTURAL COMPONENTS); GROWTH (MATERIALS); SPHERES; STRESS ANALYSIS; STRESS CONCENTRATION; SURFACE DEFECTS;

CRACKS;

EID: 70349751947     PISSN: 00137944     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.engfracmech.2009.08.008     Document Type: Article

References (15)

1. Shetty K.D., Rosenfield A.R., McGuire P., and Duckworth W.H. Biaxial flexure test for ceramics. Am Ceram Soc Bull 59 (1980) 1193-1197
2. Shetty K.D., Rosenfield A.R., McGuire P., Bansal G.K., and Duckworth W.H. Biaxial fracture studies of a glass ceramic. J Am Ceram Soc 64 (1981) 1-4
3. de With G., and Wagemans H.H.M. Ball-on-ring test revisited. J Am Ceram Soc 72 (1989) 1538-1541
4. Godfrey DJ, John S. Disc flexure tests for the evaluation of ceramic strength. In: Proceedings 2nd international conference of ceramic materials and components for engines. Lübeck-Travemünde: Verlag Deutsche Keramische Gesellschaft; 14-17 April 1986. p. 657-65.
5. Börger A., Supancic P., and Danzer R. The ball on three balls test for strength testing of brittle discs: stress distribution in the disc. J Eur Ceram Soc 22 (2002) 1425-1436
6. Börger A., Supancic P., and Danzer R. The ball on three balls test for strength testing of brittle discs: part II: analysis of possible errors in the strength determination. J Eur Ceram Soc 24 (2004) 2917-2928
7. Fett T., Rizzi G., Esfehanian M., and Oberacker R. Simple expressions for the evaluation of stresses in sphere-loaded disks under biaxial flexure. J Test Eval 36 3 (2008) 285-290
8. Kirstein A.F., and Woolley R.M. Symmetrical bending of thin circular elastic plates on equally spaced point supports. J Res Natl Bur Stand Sect C 71 (1967) 1-10
9. Rice J.R. Some remarks on elastic crack-tip stress fields. Int J Solid Struct 8 (1972) 751-758
10. Cruse T.A., and Besuner P.M. Residual life prediction for surface cracks in complex structural details. J Aircraft 12 (1975) 369-375
11. Fett T., and Munz D. Stress intensity factors and weight functions (1997), Computational Mechanics Publications, Southampton
12. Newman J.C., and Raju I.S. An empirical stress intensity factor equation for the surface crack. Eng Fract Mech 15 (1981) 185-192
13. Evans A.G. Thermal fracture in ceramic materials. Proc Br Ceram Soc 24 (1975) 217-237
14. Bahr H.-A., Weiss H.J., Maschke H.G., and Meissner F. Multiple crack propagation in a strip caused by thermal shock. Theor Appl Fract Mech 10 (1988) 219-226
15. Fett T. Influence of a finite notch root radius on fracture toughness. J Eur Ceram Soc 25 (2005) 543-547