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US 7,410,523 B2Granted
Foaming agent for manufacturing a foamed or porous metal
AssigneeHonda Motor Co., Ltd.
InventorsTakashi Nakamura, Ryoichi Ishikawa, Katsuhiro Shibata
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Abstract
A foaming agent used for manufacturing a foamed or porous metal. The agent is composed of a foamable powder and a coating layer of SiO2 covering the particle surfaces of the powder and having a good wetting property therewith.
Claims12
A combination used for manufacturing a foamed or porous metal, the combination comprising:
- a foaming agent including a foamable powder;
- a coating layer of SiO2 covering particle surfaces of the powder;
- and
- molten aluminum.
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A method of manufacturing a foamed or porous metal, the method comprising:
- preparing a foamable powder having a coating layer of SiO2 covering particle surfaces of the foamable powder;
- adding the foamable powder as a foaming agent into a molten metal, wherein heat from the molten metal gasifies the foamable powder;
- and
- cooling the molten metal to yield the foamed or porous metal, wherein the foamed or porous metal includes a plurality of pores formed from gasification of the particles of the foamable powder.
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Dependencies are inferred from the claim text.