Dealloying and dealloyed materials

I McCue, E Benn, B Gaskey… - Annual review of …, 2016 - annualreviews.org
A successful working model for nanoporosity evolution during dealloying was introduced 15
years ago. Since that time, the field has rapidly expanded, with research groups from across …

Nanoporous gold: Fabrication, characterization, and applications

E Seker, ML Reed, MR Begley - Materials, 2009 - mdpi.com
Nanoporous gold (np-Au) has intriguing material properties that offer potential benefits for
many applications due to its high specific surface area, well-characterized thiol-gold surface …

Nanoporous iridium nanosheets for polymer electrolyte membrane electrolysis

S Chatterjee, X Peng, S Intikhab, G Zeng… - Advanced Energy …, 2021 - Wiley Online Library
The growth of the hydrogen economy is predicated on advancements in electrochemical
energy technologies, with water electrolysis as a key component to the technological …

Generalized fabrication of nanoporous metals (Au, Pd, Pt, Ag, and Cu) through chemical dealloying

Z Zhang, Y Wang, Z Qi, W Zhang, J Qin… - The Journal of …, 2009 - ACS Publications
Nanoporous metal ribbons including Au, Pd, Pt, Ag, and Cu can be fabricated through
chemical dealloying of rapidly solidified Al-based alloys under free corrosion conditions. The …

Size effects on the mechanical behavior of nanoporous Au

J Biener, AM Hodge, JR Hayes, CA Volkert… - Nano …, 2006 - ACS Publications
Recent nanomechanical tests on submicron metal columns and wires have revealed a
dramatic increase in yield strength with decreasing sample size. Here, we demonstrate that …

Volume change during the formation of nanoporous gold by dealloying

S Parida, D Kramer, CA Volkert, H Rösner… - Physical Review Letters, 2006 - APS
We report a macroscopic shrinkage by up to 30 vol% during electrochemical dealloying of
Ag-Au. Since the original crystal lattice is maintained during the process, we suggest that the …

Scaling equation for yield strength of nanoporous open-cell foams

AM Hodge, J Biener, JR Hayes, PM Bythrow… - Acta Materialia, 2007 - Elsevier
A comprehensive study on the relationship between yield strength, relative density and
ligament sizes is presented for nanoporous Au foams. Depth-sensing nanoindentation tests …

Approaching the theoretical strength in nanoporous Au

CA Volkert, ET Lilleodden, D Kramer… - Applied Physics …, 2006 - pubs.aip.org
The mechanical properties of nanoporous Au have been investigated by uniaxial
compression. Micron-sized columns were machined in the surface of nanoporous Au using …

Thermo-mechanical behavior of low-dimensional systems: The local bond average approach

CQ Sun - Progress in Materials Science, 2009 - Elsevier
With the miniaturization of a solid, effects of surface strain and quantum trapping become
increasingly important in determining its properties. As a result, low-dimensional materials …

Size dependence of effective Young's modulus of nanoporous gold

A Mathur, J Erlebacher - Applied physics letters, 2007 - pubs.aip.org
Nanoporous gold (NPG) is a brittle, three-dimensional, random structure of Au with
nanometer scale open porosity that is made by dealloying Au∕ Ag alloys in acid. In this …