Simple expressions for the evaluation of stresses in sphere-loaded disks under biaxial flexure

Journal of Testing and Evaluation

Volumn 36, Issue 3, 2008, Pages 285-290

  Fett, T ^a,b   Rizzi, G ^b   Esfehanian, M ^a   Oberacker, R ^a  

^a UNIVERSITY OF KARLSRUHE   (Germany)

^b KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

CERAMIC MATERIALS; DISKS (STRUCTURAL COMPONENTS); FRACTURE FIXATION; FRACTURE MECHANICS; MATERIALS TESTING; PIGMENTS; STRENGTH OF MATERIALS; STRESS CONCENTRATION; STRESSES; TESTING; WEIBULL DISTRIBUTION; ALUMINA; ALUMINUM OXIDE;

(1 1 0) SURFACE; ANALYTICAL RELATIONS; ASTM INTERNATIONAL (CO); BIAXIAL FLEXURE; COARSE GRAINED (CG); DISK CENTER; MAXIMUM STRESS; SPECIAL APPLICATIONS; STRENGTH TESTING; STRESS DISTRIBUTIONS; TANGENTIAL STRESSES; WEIBULL STATISTICS;

SPHERES;

ANALYTICAL RELATIONS; BIAXIAL FLEXURE; DISC TESTS; MAXIMUM STRESS; SIMPLE EXPRESSION; SIMPLE++; SPECIAL APPLICATIONS; STRESSES DISTRIBUTION; TANGENTIAL STRESS; WEIBULL STATISTICS;

EID: 45749128760     PISSN: 00903973     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (12)

1. Shetty, K. D., Rosenfield, A. R., McGuire, P., and Duckworth, W. H., "Biaxial Flexure Test for Ceramics," Am. Ceram. Soc. Bull., Vol. 59, 1980, pp. 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., Vol. 64, 1981, pp. 1-4.
3. de With, G. and Wagemans, H. H. M., "Ball-on-Ring Test Revisited," J. Am. Ceram. Soc., Vol. 72, 1989, pp. 1538-1541.
4. Godfrey, D. J. and John, S., "Disc Flexure Tests for the Evaluation of Ceramic Strength," in Proceedings 2nd International Conference of Ceramic Materials and Components for Engines, 14-17 April 1986, Verlag Deutsche Keramische Ge-sellschaft, Lübeck-Travemünde, pp. 657-665.
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., Vol. 22, 2002, pp. 1425-1436.
6. Fett, T., Rizzi, G., Ernst, E., Müller, R., and Oberacker, R., "A 3-Balls-on-3-Balls Strength Test for Ceramic Disks," J. Eur. Ceram. Soc., Vol. 27, 2007, pp. 1-12.
7. Roark, R. J. and Young, W. C., Formulas for Stress and Strain, 5th Ed., McGraw-Hill, New York, 1975.
8. Szilard, R., Theory and Analysis of Plates, Prentice-Hall, Englewood Cliffs, NJ, 1974.
9. 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, Vol. 71, 1967, pp. 1-10.
10. Vitman, F. F. and Pukh, V P., "A Method for Determining the Strength of Sheet Glass," Zavod. Lab, Vol. 29, No. 7, 1963, pp. 863-867.
11. Esfehanian, M., Fett, T., and Oberacker, R., "Strength Measurement of Monolithic Polymer Derived Sioc Ceramics by Ball-on-Three-Balls Method," Euromat (European Congress and Exhibition on Advanced Materials and Processes), 2007, Nürnberg, 10-13 September 2007.
12. Fett, T., Rizzi, G., Esfehanian, M., Volkert, C., Riva, M., Wagner, S., and Oberacker, R., "Progress in Strength, Toughness and Lifetime Methods for Ceramics," Report FZKA 7338, Forschungszentrum Karlsruhe, 2008.