The processing and properties of syntactic Al foams containing low cost expanded glass particles

Wright, Andrew and Kennedy, Andrew R. (2016) The processing and properties of syntactic Al foams containing low cost expanded glass particles. Advanced Engineering Materials . ISSN 1527-2648

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Abstract

Expanded glass particles (EGP) are used to manufacture Al syntactic foams using a simple vacuum casting method. Clamping of the casting in the stainless steel mold is observed when preheating the mold to >400 C, causing damage to the EGP, resulting in a weaker foam but with the significant advantage of eliminating the yield drop, improving the energy absorption characteristics. The same effect in castings that are not clamped (for mold preheats <400 °C) can be achieved by quenching in liquid nitrogen. These “low strength” syntactic metal foams are a cost-effective alternative to metal foams and porous metals (in terms of specific strength, stiffness, and energy absorption) rather than “conventional” syntactic foams which contain smaller, stronger, hollow microspheres.

Item Type: Article
Additional Information: This is the peer reviewed version of the following article: Wright, A. and Kennedy, A. (2016), The processing and properties of syntactic Al foams containing low cost expanded glass particles. Advanced Engineering Materials, which has been published in final form at http://dx.doi.org/ 10.1002/adem.201600467. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Schools/Departments: University of Nottingham, UK > Faculty of Engineering
Identification Number: https://doi.org/10.1002/adem.201600467
Depositing User: Eprints, Support
Date Deposited: 02 Dec 2016 11:10
Last Modified: 18 Oct 2017 19:05
URI: https://eprints.nottingham.ac.uk/id/eprint/39133

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