Effect of Cerium and Lanthanum Additives on the Phase Composition of the Copper-Nickel Alloys

Abstract : An experimental study of the phase composition for nine samples of the Cu–Ni–Ce–La alloys with different content of components was carried out. The nickel concentration in the experimental samples varies from 3 to 40 wt. %, the sum of cerium and lanthanum concentrations was not exceed 7 wt. %. Alloys samples of the system Cu–Ni–Ce–La were studied using scanning electron microscopy and microprobe analysis, as well as X-ray analysis. Also, Vickers micro hardness was measured on the cross sections of the experimental samples. In this work, the conditions of intermetallic compounds formation in the as-cast samples were studied. The results of the work can be used for the technological processes analysis of copper and copper-based alloys production.
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Submitted on : Tuesday, September 3, 2019 - 10:51:45 AM
Last modification on : Monday, September 16, 2019 - 4:36:01 PM

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O.V. Samoilova, Evgeny Trofimov, Elena Vakhitova. Effect of Cerium and Lanthanum Additives on the Phase Composition of the Copper-Nickel Alloys. Materials Science Forum, Trans Tech Publications Inc., 2019, 946, pp.123-128. ⟨10.4028/www.scientific.net/MSF.946.123⟩. ⟨hal-02276891⟩

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