Method for preparation of metallic and ceramic foam products and products made
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United States of America Patent
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Feb 8, 2005
Grant Date -
Sep 25, 2003
app pub date -
Jan 27, 2003
filing date -
Mar 7, 2001
priority date (Note) -
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Abstract
The present invention relates to the fabrication of low cost, in situ, porous metallic, ceramic and cermet foam structures having improved mechanical properties such as energy absorption and specific stiffness. Methods of fabricating the structures from compositions including ceramic and/or metallic powders are provided. The flowable compositions also include an immiscible phase that results in pores within the final structure. Furthermore, the structures may be shaped to have external porosity, such as with mesh-like structures.
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