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Energetic-particle synthesis of nanocomposite Al alloys
Ion implantation of O into Al and growth of Al(O) layers using electro-cyclotron resonance plasma and pulsed laser depositions produce composite alloys with a high density of nanometer-size oxide precipitates in an Al matrix. The precipitates impart high strength to the alloy and reduced adhesion during sliding contact, while electrical conductivity and ductility are retained. Implantation of N into Al produces similar microstructures and mechanical properties. The athermal energies of deposited atoms are a key factor in achieving these properties.
Date:
November 26, 1996
Creator:
Follstaedt, D. M.; Knapp, J. A.; Barbour, J. C.; Myers, S. M. & Dugger, M. T.
System:
The UNT Digital Library