An experimental assessment of using crack-opening displacements to determine indentation toughness from vickers indents

Ceramic Transactions

Volumn 156, Issue , 2004, Pages 83-91

  Kruzic, J J ^a   Ritchie, R O ^a  

^a University of California Berkeley   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CRACK-OPENING; LATERAL CRACKING; VICKERS INDENTS;

BRITTLENESS; CERAMIC MATERIALS; FRACTURE TOUGHNESS; INDENTATION; SILICON CARBIDE; VICKERS HARDNESS TESTING;

CRACK INITIATION;

EID: 2642576092     PISSN: None     EISSN: None     Source Type: Book Series    
DOI: None     Document Type: Conference Paper

References (10)

1. G. R. Anstis, P. Chantikul, B. R. Lawn and D. B. Marshall, "A critical evaluation of indentation techniques for measuring fracture toughness. I. Direct crack measurements," J. Am. Ceram. Soc., 64 [9] 533-8 (1981).
2. J. Gong, J. Wang and Z. Guan, "Indentation toughness of ceramics: A modified approach," J. Mater. Sci., 37 [4] 865-9 (2002).
3. T. Fett, "Computation of the crack opening displacements for Vickers indentation cracks," Report FZKA 6757, Forschungszentrum Karlsruhe, Karlsruhe, Germany, 2002.
4. C. J. Gilbert, J. J. Cao, W. J. MoberlyChan, L. C. De Jonghe and R. O. Ritchie, "Cyclic fatigue and resistance-curve behavior of an in situ toughened silicon carbide with Al-B-C additions," Acta Metall. Mater., 44 [8] 3199-214 (1996).
5. C.-W. Li, D.-J. Lee and S.-C. Lui, "R-curve behavior and strength for in-situ reinforced silicon nitrides with different microstructures," J. Am. Ceram. Soc., 75 [7] 1777-85 (1992).
6. C. J. Gilbert, J. J. Cao, L. C. De Jonghe and R. O. Ritchie, "Crack-growth resistance-curve behavior in silicon carbide: small versus long cracks," J. Am. Ceram. Soc., 80 [9] 2253-61 (1997).
7. J. J. Petrovic and L. A. Jacobson, "Controlled surface flaws in hot-pressed SiC," J. Am. Ceram. Soc., 59 [1-2] 34-37 (1976).
8. B. R. Lawn and M. V. Swain, "Microfracture beneath point indentations in brittle solids," J. Mater. Sci., 10 [1] 113-22 (1975).
9. R. F. Cook and G. M. Pharr, "Direct observation and analysis of indentation cracking in glasses and ceramics," J. Am. Ceram. Soc., 73 [4] 787-817 (1990).
10. D. B. Marshall, B. R. Lawn and A. G. Evans, "Elastic/plastic indentation damage in ceramics: the lateral crack system," J. Am. Ceram. Soc., 65 [11] 561-6 (1982).