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Mechanical behaviour of metal–matrix composite deposits

Author: Ding X.M.   Merk N.   Ilschner B.  

Publisher: Springer Publishing Company

ISSN: 0022-2461

Source: Journal of Materials Science, Vol.33, Iss.3, 1998-02, pp. : 803-809

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Abstract

The electroplating technique is used for producing thin sheets of copper- or nickel-based composites containing different volume fractions of α-alumina dispersions. The microhardness and tensile behaviour of such composites, in both the as-deposited and the annealed state, are characterized. The strengthening mechanism of electroplated composites is found to be a combination of Orowan-type strengthening and the Hall–Petch effect.