A fracture test for brittle materials

H. W. Chandler*, R. J. Henderson, M. N. Al-Zubaidy, M. Saribiyik, A. Muhaidi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


It has become increasingly apparent that fracture toughness is an important material characteristic of ceramic materials, especially those subjected to high stresses due to mechanical loading or thermal shock. One aspect of their fracture behaviour is that in many cases their fracture toughness appears to increase as a crack propagates. This is known as the R-curve effect. The current test methods in use were originally designed to obtain single parameters such as work of fracture or KIC and are not particularly suitable for obtaining toughness curves. This paper presents a new fracture test that is specifically designed to measure the crack growth resistance curves of brittle materials. Some typical toughness curves for a range of materials are reported.

Original languageEnglish
Pages (from-to)759-763
Number of pages5
JournalJournal of the European Ceramic Society
Issue number6
Publication statusPublished - 1 Dec 1997


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