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Mechanical Properties of Nanocomposite Coatings Fabricated by Sputttering

  • G. M. Chow (a1), R. L. Holtz (a2), C. Cm. Wu (a3), A. S. Edelstein (a3), T. E. Schlesinger (a4) and R. C. Cammarata (a4)...


A brief study of the microhardness of nanocomposite coatings fabricated by a new technique is reported. The new fabrication technique utilizes sputtering at high pressures in a thermal gradient to produce nanometer-size particles, which are then embedded in a matrix produced by conventional sputtering. The microstructures and microhardness of nanocomposite coatings of Al matrix reinforced by Mo particles (grain diameter ranging from 7 to 20 nm) are reported.



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