Invention Grant
US07641984B2 Composite metal foam and methods of preparation thereof 有权
复合金属泡沫及其制备方法

Composite metal foam and methods of preparation thereof
Abstract:
The present invention is directed to composite metal foams comprising hollow metallic spheres and a solid metal matrix. The composite metal foams show high strength, particularly in comparison to previous metal foams, while maintaining a favorable strength to density ratio. The composite metal foams can be prepared by various techniques, such as powder metallurgy and casting.
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