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Properties Enhancement of an Eco-Friendly Electrical Contact Material by Silver Nanoparticles Addition

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Abstract

Silver-tin oxide electrical contact material with 10 wt pct stannic oxide and balance nanosized and micronsized silver was developed successfully. Stannic oxide particles chemically coated by a layer of silver nanospheres are homogeneously dispersed in a silver microcrystalline matrix made by chemical synthesis. The material processed by pressing-sintering-repressing exhibited enhanced properties: density: 97.1 to 97.9 pct relative density, Vickers hardness: 103 to 115, electrical conductivity: 65 to 69 pct IACS, volumetric shrinkage: 28.9 to 30.9 pct, and a very fine and uniform microstructure.

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Authors and Affiliations

  1. National Institute for Research and Development in Electrical Engineering ICPE-CA, 030138, Bucharest 3, Romania

    Magdalena Lungu (Senior Researcher), Stefania Gavriliu (Senior Researcher), Elena Enescu (Senior Researcher and Deputy Director), Mariana Lucaci (Senior Researcher), Violeta Tsakiris (Senior Researcher) & Gimi Rimbu (Senior Researcher)

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  1. Magdalena Lungu
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  2. Stefania Gavriliu
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  3. Elena Enescu
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  4. Mariana Lucaci
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  5. Violeta Tsakiris
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  6. Gimi Rimbu
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Corresponding author

Correspondence to Magdalena Lungu.

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Manuscript submitted May 25, 2012.

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Lungu, M., Gavriliu, S., Enescu, E. et al. Properties Enhancement of an Eco-Friendly Electrical Contact Material by Silver Nanoparticles Addition. Metall Mater Trans A 43, 4464–4469 (2012). https://doi.org/10.1007/s11661-012-1424-x

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