Al and Al-TiB2 Foams Produced by Melt Injection Technique

Aluminium and Al-TiB 2 closed-cell foams were produced by a recently developed foaming method called melt injection technique where bubbles are created by air entrainment. The macro- and microstructures of the foams were characterised by X-ray tomography and scanning electron microscopy, respectively. Mechanical properties were evaluated by quasi-static compression tests. Al-TiB 2 foam exhibited finer cells and better mechanical properties compared to Al foam. Also, the structural and mechanical properties of these foams were compared with closed-cell foams produced by other existing methods. Graphic abstract