Article comprising a fine-grained metallic material and a polymeric material
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United States of America Patent
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Jun 30, 2009
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app pub date -
Dec 12, 2007
filing date -
Dec 17, 2004
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Abstract
Lightweight articles comprising a polymeric material at least partially coated with a fine-grained metallic material are disclosed. The fine-grained metallic material has an average grain size of 2 nm to 5,000 nm, a thickness between 25 micron and 5 cm, and a hardness between 200 VHN and 3,000 VHN. The lightweight articles are strong and ductile and exhibit high coefficients of restitution and a high stiffness and are particularly suitable for a variety of applications including aerospace and automotive parts, sporting goods, and the like.
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