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Active energy absorbing cellular metals and method of manufacturing and using the same

  • US 7,288,326 B2
  • Filed: 05/30/2003
  • Issued: 10/30/2007
  • Est. Priority Date: 05/30/2002
  • Status: Active Grant
First Claim
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1. A multifunctional member adapted for structural deformation and reformation, the multifunctional member comprising:

  • at least one active core member, said active core member adapted to deform if exposed to an external force, and reform from a deformed state if exposed to a stimulant;

    at least one upper member disposed on said core member, said upper member including a plurality of upper protrusions, said protrusions generally protruding in the direction of said active core member; and

    at least one lower member disposed on said core member opposite said upper member, said lower member including a plurality of lower protrusions, said protrusions generally protruding in the direction of said active core member;

    said upper protrusions and lower protrusions being aligned relative to one another such that they will interpenetrate when subjected to the force, thereby deforming said active core member, and will return to non-interpenetrating positions upon removal of the force when said active core member is exposed to said stimulant.

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