Vickers indentation fracture toughness test Part 1 Review of literature and formulation of standardised indentation toughness equations
Authors: Ponton, C. B.; Rawlings, R. D.
Source: Materials Science and Technology, Volume 5, Number 9, September 1989 , pp. 865-872(8)
Publisher: Maney Publishing
Abstract:There is considerable interest in determining the fracture toughness of brittle materials by measuring the extent of cracking associated with a Vickers indentation because of the ease of specimen preparation and the simplicity of the test. However, confusion has been engendered by the multitude of models and equations in the literature relating the degree of cracking to the fracture toughness. In Part 1 of this work, nineteen of these equations are reviewed and then modified in a standard manner for both experimental convenience and direct comparison.
Document Type: Research Article
Publication date: 1989-09-01
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