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Cold spray formation of thin metal coatings

  • US 20060090593A1
  • Filed: 11/03/2004
  • Published: 05/04/2006
  • Est. Priority Date: 11/03/2004
  • Status: Abandoned Application
First Claim
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1. A metal agglomerated hard sphere composition capable of providing about a 1 μ

  • m or thicker coating of a metal on a work piece in a cold spray process comprising;

    a plurality of non-ductile hard spheres, said spheres comprised essentially of material characterized by an elongation at break of less than 7% at room temperature, and further characterized by an average sphere diameter of about 10 to 300 μ

    m; and

    about 0.1 to about 20 wt % metal powder comprising a plurality of metal particles characterized by an average particle size of about 10 nm to about 10 μ

    m, said plurality of metal particles being agglomerated onto said hard spheres.

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