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- Q900548 subject Q7215585.
- Q900548 subject Q8462692.
- Q900548 abstract "A metal foam is a cellular structure consisting of a solid metal, frequently aluminium, as well as a large volume fraction of gas-filled pores. The pores can be sealed (closed-cell foam), or they can form an interconnected network (open-cell foam). The defining characteristic of metal foams is a very high porosity: typically 75–95% of the volume consists of void spaces making these ultralight materials. The strength of foamed metal possesses a power law relationship to its density; i.e., a 20% dense material is more than twice as strong as a 10% dense material.Metallic foams typically retain some physical properties of their base material. Foam made from non-flammable metal will remain non-flammable and the foam is generally recyclable back to its base material. Coefficient of thermal expansion will also remain similar while thermal conductivity will likely be reduced.Although there is a very large number of patents describing feasible topological structures, constitutive materials, and production methods, metal foams cannot be considered a commodity and relatively few commercial producers are available worldwide of either closed or open cell foams.".
- Q900548 thumbnail Aluminium_foam.jpg?width=300.
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- Q900548 type Thing.
- Q900548 comment "A metal foam is a cellular structure consisting of a solid metal, frequently aluminium, as well as a large volume fraction of gas-filled pores. The pores can be sealed (closed-cell foam), or they can form an interconnected network (open-cell foam). The defining characteristic of metal foams is a very high porosity: typically 75–95% of the volume consists of void spaces making these ultralight materials.".
- Q900548 label "Metal foam".
- Q900548 depiction Aluminium_foam.jpg.