Evaluation of fracture toughness of small volumes by means of cube-corner nanoindentation

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Title:	Evaluation of fracture toughness of small volumes by means of cube-corner nanoindentation
Author:	Cuadrado Lafoz, Núria; Casellas Padró, Daniel; Anglada Gomila, Marcos Juan; Jiménez Piqué, Emilio
Other authors:	Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica; Universitat Politècnica de Catalunya. CIEFMA - Centre d'Integritat Estructural, Micromecànica i Fiabilitat dels Materials
Abstract:	In this work, the applicability of the two most commonly used equations for calculating the fracture toughness by nanoindentation is discussed in terms of the indenter geometry and the indentation crack morphology. These equations are calibrated for Berkovich and cube-corner indenters taking into account the actual indentation crack morphology, aimed at attaining a more reliable estimation of fracture toughness in small material volumes by nanoindentation.
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria dels materials -Strength of materials -Fracture mechanics -Resistència de materials -Mecànica de fractura
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Document type:	Article - Submitted version Article
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