Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25193
Title: Effects of specimen geometry and base material on the mechanical behavior of focused-ion-beam-fabricated metallic-glass micropillars
Authors: Yang, Y
Ye, JC
Lu, J
Liu, FX
Liaw, PK
Keywords: Compression tests
Finite-element analysis
Metallic glasses
Nanoindentation
Issue Date: 2009
Publisher: Pergamon-Elsevier Science Ltd
Source: Acta materialia, 2009, v. 57, no. 5, p. 1613-1623 How to cite?
Journal: Acta Materialia 
Abstract: An investigation of the focused-ion-beam-based microcompression experiments was conducted using metallic-glass micropillars. The results displayed an apparent geometry dependence of the measured pillar's Young's modulus if the formula in the literature was used for the analysis of the experimental data. However, if the effects of the base material and pillar geometry were taken into account with the aid of finite-element simulations, it was shown that the microcompression experiments can reach a resolution similar to that of the nanoindentation tests in the measurement of the material's mechanical properties, and therefore provide an alternative to the nanoindentation experiment in applications that require the characterization of local mechanical properties in multi-structured/multi-phased material systems.
URI: http://hdl.handle.net/10397/25193
DOI: 10.1016/j.actamat.2008.11.043
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