Study of Electrical, Mechanical and Microstructural Properties of Composites Based on Cu-Ni-Ag-Al2O3 Obtained by Powder Metallurgy

Waldemar Alfredo Monteiro; Juan Alfredo Guevara Carrió; E.C. Oliveira; G.G. Previatti; L.C.E. Silva

doi:10.4028/www.scientific.net/MSF.802.72

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HomeMaterials Science ForumMaterials Science Forum Vol. 802Study of Electrical, Mechanical and...

Study of Electrical, Mechanical and Microstructural Properties of Composites Based on Cu-Ni-Ag-Al₂O₃ Obtained by Powder Metallurgy

Abstract:

The synthesis, microstructural, electrical and mechanical properties characterization of composites based on Cu-Ni–Ag-Al₂O₃ is a work that exposes the investigation of the correlation of the microstructures formed in the material with its physical properties and its manufacturing method. Cermets based on copper, nickel and silver have been doped with alumina varying the proportions of these components to create, by powder metallurgy, a material that has good electrical conductivity and good mechanical strength compared with that of pure copper, together with a manufacturing process which is both cost and energy efficient. The conductivity values vary between 30 to 55% IACS showing that the thermal treatments were effective for electrical connector uses.

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Periodical:

Materials Science Forum (Volume 802)

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72-77

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.802.72

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Online since:

December 2014

Authors:

Waldemar Alfredo Monteiro*, Juan Alfredo Guevara Carrió, E.C. Oliveira, G.G. Previatti, L.C.E. Silva

Keywords:

Cermets, Composite, Copper, Electrical Conductivity, Hardness, Metal Alloys, Physical Properties, Powder metallurgy

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