2006•MATERIALS TRANSACTIONSOpen access

Measuring Elastic Energy Density of Bulk Metallic Glasses by Nanoindentation

Ke Wang, Deng Pan, Mingwei Chen, W. Zhang, X. M. Wang, A. Inoue

Abstract

The elastic energy storing capability of bulk metallic glasses was evaluated by employing depth-sensing nanoindentation. The elastic energy densities of four glassy alloys, determined by nanoindentation measurements, are fairly close to their theoretical values estimated from elastic modulus and theoretical strength. This study provides an accurate and quick method to measure the elastic properties of bulk metallic glasses.

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Key concepts: Nanoindentation, Materials science, Elastic modulus, Amorphous metal, Composite material, Metal, Elastic energy, Measure (data warehouse)