Characterization of spark plasma sintered Ag nanopowders

Fu, Yong Qing, Shearwood, Christopher, Xu, Ben, Yu, L. G. and Khor, Khiam Aik (2010) Characterization of spark plasma sintered Ag nanopowders. Nanotechnology, 21 (11). p. 115707. ISSN 0957-4484

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Official URL: http://dx.doi.org/10.1088/0957-4484/21/11/115707

Abstract

The low temperature sintering behaviour of nanocrystalline Ag powder (with an average size of 70 nm) was characterized. Using spark plasma sintering (SPS), the Ag nanopowders can be successfully sintered at low pressure for only 5 min without external heating, and the sintering density increases and porosity decreases significantly with increase in the sintering temperature. Nanoindentation has been used to characterize the SPS sintered Ag samples. The mechanisms of the low sintering temperature behaviour of the nano-Ag powder and the nanoscale mechanical performance have been discussed. Compression tests were also used to characterize the mechanical properties of the sintered Ag sample with a maximum strain up to 15%.

Item Type: Article
Subjects: F100 Chemistry
F200 Materials Science
H300 Mechanical Engineering
J500 Materials Technology not otherwise specified
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Bin Xu
Date Deposited: 06 Jun 2013 12:21
Last Modified: 10 Aug 2015 11:23
URI: http://nrl.northumbria.ac.uk/id/eprint/12777

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