| 摘要 |
PROBLEM TO BE SOLVED: To improve intensity and/or corrosion resistance in porous metal having small pore size.SOLUTION: The invention comprises: a step S10 for forming an amorphous alloy including Fe; a step S12 for forming a precursor including an Fe crystal formed by crystallization of part of the amorphous alloy and balance of the amorphous alloy by performing heat treatment of the amorphous alloy; and a step S14 for forming porous metal by removing the Fe crystal from the precursor. The invention relates to the porous metal which is amorphous property including Fe, whose average size of a pore is equal to or less than 50 nm, and average size of a ligament is equal to or less than 50 nm. |
