Is the strength of metal foam lower than the same dense metal?

The metal foam has a porosity of more than 90-95%. The holes are also divided into open cell and close cell. The metal foam made with the hole is very soft, soundproof, heat conductive, and the energy absorption effect is very good. The metal foam rigidity of the close hole is increased, but its rigidity and toughness are positively correlated with the structure type and density of the pores, and no corresponding experiment can be found to determine its strength. There are related papers on material science, you can find the properties of metal foam made of Al, Cu and Ni are different.

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