A pentagonal dodecahedron model of metal foam with open cells was considered for calculation of specific surface area. of the high porosity metals. According to the pentagonal dodecahedron model the authors calculate the specific surface area of nickel foam samples with the cell size of similar to 200 mu m and find it approximate agreement with the results obtained by other methods, and the specific surface area of metal foams is correlated with cell size and the width of cell wall.
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