Abstract
A transition fracture mode from Palmqvist to median has been observed in a number of ceramic materials. A new expression to determine the fracture toughness (K IC) by indentation is presented. The K IC values calculated by this formula are independent of the crack profile (median or Palmqvist) and of the applied load. This formula has been obtained by modifying the universal curve of Evans and Charles to incorporate Palmqvist and median cracks over a wide range of loads in the case of brittle materials with different mechanical properties (elastic properties: E, v, K IC).
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References
A. G. Evans and E. A. Charles, J. Amer. Ceram. Soc., 59 (1976) 371.
P. Miranzo and J. S. Moya, Ceram. Internal. 10 (4) (1984) 147.
K. Niihara, R. Morena and D. P. H. Hasselman, in “Fracture Mechanics of Ceramics”, Vol. 5, edited by R. C. Bradt, A. G. Evans, P. P. Hasselman and F. F. Lange, (Plenum, New York, 1983) pp. 97–105.
K. Niihara, A. Nakahira and T. Hirai, J. Amer. Ceram. Soc. 67 (1984) C-13.
G. R. Anstis, P. Chantikul, B. R. Lawn and D. B. Marshall, ibid. 64 (1981) 533.
B. R. Lawn, A. G. Evans and D. B. Marshall, ibid. 63 (1980) 574.
D. K. Shetty, I. G. Wright, P. N. Mincer and A. H. Clauer, J. Mater. Sci. 20 (1985) 1873.
J. Lankford, J. Mater. Sci. Lett. 1 (1982) 493.
M. T. Laugier, ibid. 4 (1985) 1539.
Idem, ibid. 6 (1987) 355.
B. R. Lawn and T. R. Wilshaw, J. Mater. Sci. 10 (1975) 1049.
B. R. Lawn and E. R. Fuller, ibid. 10 (1975) 2016.
D. B. Marshall and B. R. Lawn, ibid. 14 (1979) 2001.
J. E. Blendell, PhD thesis, M. I. T. (1979).
V. W. Dawihl and G. Altmeyer, Z. Metallkdle 55 (1964) 231.
S. Palmqvist, Arch. Eisenhutt. 33 (1962) 629.
Idem, Jernkontorets Ann. 167 (1963) 208.
H. E. Exner, Trans. AIME 245 (1969) 677.
I. M. Ogilvy, C. M. Perrott and J. W. Suiter, Wear 43 (1977) 239.
C. M. Perrott, ibid. 47 (1978) 81.
K. Niihara, J. Mater. Sci. Lett. 2 (1983) 221.
R. Warren and H. Matzke, in Proceedings of International Conference on The Science of Hard Materials, Jackson, Wyoming, August 1981, edited by R. K. Viswanadham, D. J. Rowcliffe and J. Gurland (Plenum, New York, 1983) p. 563.
G. I. Barenblatt, Adv. Appl. Mech. 7 (1962) 56.
J. Tweed, J. Elasticity 1 (1971) 29.
A. Leriche, G. Moortgat, F. Cambier, P. Homerin, G. Orange, F. Thevenot, G. Fantozzi, in “Zirconia 86”, to be published in “Advances in Ceramics” Vol. 24, (American Ceramic Society).
G. Orange and G. Fantozzi, Matér. Téchn. 3 (1988) 29.
Y. Iluma and A. V. Virkar, J. Mater. Sci. 19 (1984) 2233.
J. D. Sullivan and P. H. Lauzon, J. Mater. Sci. Lett. 5 (1986) 247.
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Liang, K.M., Orange, G. & Fantozzi, G. Evaluation by indentation of fracture toughness of ceramic materials. J Mater Sci 25, 207–214 (1990). https://doi.org/10.1007/BF00544209
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DOI: https://doi.org/10.1007/BF00544209