NC STATE UNIVERSITY
NC STATE UNIVERSITY Patent applications | ||
Patent application number | Title | Published |
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20140091241 | COMPOSITE METAL FOAM AND METHODS OF PREPARATION THEREOF - 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. | 04-03-2014 |