期刊
METALS
卷 5, 期 3, 页码 1665-1694出版社
MDPI
DOI: 10.3390/met5031665
关键词
porous material; nanostructured material; metals and alloys; elastic modulus; yield strength; modeling
资金
- Sardinia Regional Government (P. O. R. Sardegna F.S.E. Operational Programme of the Autonomous Region of Sardinia, European Social Fund)
- University of Cagliari
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.
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