Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 20, 2007
Patent Application Number
10738275
Date Filed
December 16, 2003
Patent Citations Received
0
Patent Primary Examiner
Patent abstract
A simple method to produce Aluminum Metal Matrix Nanocomposite with 2 to 35 volume percent of nano Al2O3 reinforcement phase without adding nano Al2O3 particles in a direct step of the metal matrix. The initial necessary material is an aluminum powder with nanoscale surface oxide. The volume percent of Al2O3 is determined by the particle size distribution and the thickness of the Al2O3 layer. The Al2O3 surface layers or shells are broken up and are uniformly distributed throughout the nanocomposite after the powder consolidation into billet and the hot and/or cold metal working of the billet.
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