Energy Absorption Capability of Zn-22Al Superplastic Alloy Foam Manufactured through Melt Foaming Process

Abstract:

Superplastic Zn-22Al alloy foams were manufactured through the melt foaming process using titanium hydride powder as a foaming agent. The compressive properties of the Zn-22Al foams were investigated under quasi-static and dynamic loading conditions. Experimental results show that the flow stress and the energy absorption of the Zn-22Al foam significantly increased with increasing the strain rate. At high strain rate region, the energy absorption of the Zn-22Al foams is also larger than that of conventional aluminum foams. These behaviors are due to superplastic deformation of cell walls.

• Periodical: Key Engineering Materials (Volume 433)
• Pages: 287-290
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.433.287
• Online since: March 2010
• Authors: Kenji Sekido, Teppei Seo, Koichi Kitazono
• Keywords: Energy Absorption, Melt Foaming Process, Metal Foam

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