The foam expansion and collapse behaviour for hot compacted Al‐TiH~2~ precursors has been shown to be driven by the oxidation of the Al powder and the premature loss of gas from the TiH~2~ foaming agent during the compaction process. At 550 °C, oxidation is rapid, and gas loss from the hydride is ex
✦ LIBER ✦
The Role of Oxidation During Compaction on the Expansion and Stability of Al Foams Made Via a PM Route
✍ Scribed by S. Asavavisithchai; A. R. Kennedy
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 386 KB
- Volume
- 8
- Category
- Article
- ISSN
- 1438-1656
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## Abstract Mechanisms for the formation and disappearance of the crack‐like pores generated during the early stage of Al foaming are investigated. A model for their disappearance process is proposed for the first time. The stress, perpendicular to the compaction direction in uniaxial cold compacti