CUED Publications database

High strength metallic wood from nanostructured nickel inverse opal materials

Pikul, JH and Özerinç, S and Liu, B and Zhang, R and Braun, PV and Deshpande, VS and King, WP (2019) High strength metallic wood from nanostructured nickel inverse opal materials. Scientific Reports, 9. 719-.

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© 2019, The Author(s). This paper describes a nickel-based cellular material, which has the strength of titanium and the density of water. The material’s strength arises from size-dependent strengthening of load-bearing nickel struts whose diameter is as small as 17 nm and whose 8 GPa yield strength exceeds that of bulk nickel by up to 4X. The mechanical properties of this material can be controlled by varying the nanometer-scale geometry, with strength varying over the range 90–880 MPa, modulus varying over the range 14–116 GPa, and density varying over the range 880–14500 kg/m3. We refer to this material as a “metallic wood,” because it has the high mechanical strength and chemical stability of metal, as well as a density close to that of natural materials such as wood.

Item Type: Article
Divisions: Div C > Materials Engineering
Depositing User: Cron Job
Date Deposited: 20 Feb 2019 20:05
Last Modified: 01 Sep 2020 05:57
DOI: 10.1038/s41598-018-36901-3