Patent ID: 11969797
Assignee: POWDERMET, INC.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 8:
9. A deformable syntactic metal foam composite formed of metal-coated microballoons and a metal matrix material that have been sintered together; said metal-coated microballoons include microballoons that are coated with a coating of metal material; said metal matrix material prior to being subjected to sintering includes metal powder and a clean burning binder that is formulated to be burnt off during said sintering; said microballoons have an average particle size of 1 to 500 microns; said microballoon constitute a greater weight percent of said metal-coated microballoon than said coating of metal material on said metal-coated microballoon; said coating of metal material is formed on said microballoon prior to combining said metal-coated microballoons with said metal matrix material; said metal-coated microballoon is a glass microballoon coated with aluminum; said glass microballoon has a particle size of 10-85 microns and a particle density of about 0.3 grams per cubic centimeter.