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Alloy Development

Lightweight & High-Strength Aluminum Foam

A melting-and-casting route to high-performance metal foam

  • Aluminum foam
  • Energy absorption
  • Lightweighting
  • Casting

Overview

Aluminum foams have excellent properties such as high energy absorption, sound and thermal insulation, and corrosion resistance. The objective of this project was to develop a process for making aluminum foam through a melting and casting route. The effects of process parameters — foaming-agent content, casting temperature and holding time — were optimised. The resulting aluminum foam showed excellent mechanical properties with high compressive strength and low density.

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