Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1498621 | Scripta Materialia | 2014 | 4 Pages |
Abstract
A theoretical model is developed to relate structure and mechanical properties in nanoporous metals. It is shown that undercoordinated surface atoms generate surface stresses that enhance the Young’s modulus of individual ligaments and of the nanoporous metal. The model perfectly reproduces the experimental Young’s modulus of nanoporous Au if ligaments are allowed to bend over an effective length shorter than the nominal one. The effective bending length is roughly 2/3 the nominal one over two orders of magnitude.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Giorgio Pia, Francesco Delogu,