Porous metal body and method for producing same
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United States of America Patent
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May 14, 2019
Grant Date -
May 12, 2016
app pub date -
Apr 9, 2014
filing date -
Jun 19, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a porous metal body having superior corrosion resistance to conventional metal porous bodies composed of nickel-tin binary alloys and conventional metal porous bodies composed of nickel-chromium binary alloys. The porous metal body has a three-dimensional network skeleton and contains at least nickel, tin, and chromium. The concentration of chromium contained in the porous metal body is highest at the surface of the skeleton of the porous metal body and decreases toward the inner side of the skeleton. In one embodiment, the chromium concentration at the surface of the skeleton of the porous metal body is more preferably 3% by mass or more and 70% by mass or less.
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International Classification(s)
- C23C:COATING METALLIC MATERIAL; COATING MATERIAL WITH M....
- C25D:PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC ....
- H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
- B22F:WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES F....
- C22F:CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS MET....
- C21D:MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS....
- C22C:ALLOYS
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