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Metals 2015, 5(3), 1665-1694; doi:10.3390/met5031665

Mechanical Properties of Nanoporous Au: From Empirical Evidence to Phenomenological Modeling

Dipartimento di Ingegneria Meccanica, Chimica, e dei Materiali, Università degli Studi di Cagliari, via Marengo 2, 09123 Cagliari, Italy
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Academic Editors: Eva Pellicer and Jordi Sort
Received: 30 June 2015 / Revised: 5 September 2015 / Accepted: 8 September 2015 / Published: 16 September 2015
(This article belongs to the Special Issue Nanoporous Metallic Alloys)
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Abstract

The present work focuses on the development of a theoretical model aimed at relating the mechanical properties of nanoporous metals to the bending response of thick ligaments. The model describes the structure of nanoporous metal foams in terms of an idealized regular lattice of massive cubic nodes and thick ligaments with square cross-sections. Following a general introduction to the subject, model predictions are compared with Young’s modulus and the yield strength of nanoporous Au foams determined experimentally and available in literature. It is shown that the model provides a quantitative description of the elastic and plastic deformation behavior of nanoporous metals, reproducing to a satisfactory extent the experimental Young’s modulus and yield strength values of nanoporous Au. View Full-Text
Keywords: porous material; nanostructured material; metals and alloys; elastic modulus; yield strength; modeling porous material; nanostructured material; metals and alloys; elastic modulus; yield strength; modeling
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Pia, G.; Delogu, F. Mechanical Properties of Nanoporous Au: From Empirical Evidence to Phenomenological Modeling. Metals 2015, 5, 1665-1694.

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