Experimental Evaluation of 300 degrees C section of Cu-In-Ni Phase Diagram, Hardness and Electrical Conductivity of Selected Alloy
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The paper reports comparative experimental and thermodynamic calculation of a Cu-In-Ni ternary system. An isothermal section of the Cu-In-Ni system at 300 degrees C was extrapolated using optimized thermodynamic parameters for the constitutive binary systems from literature. Microstructural and phase composition analysis were carried out using scanning electron microscopy coupled with energy dispersive spectrometry (SEM-EDS) and X-ray powder diffraction (XRD) technique. Brinell hardness and electrical conductivity of a selected number of alloy samples with compositions along three vertical sections (Cu-In0.5Ni0.5, In-Cu0.8Ni0.2, and x(In) = 0.4) of the studied Cu-In-Ni system were experimentally determined. Based on the obtained experimental results and by using appropriate mathematical models values of hardness and electrical conductivity for the whole ternary system were predicted. A close agreement between calculations and experimental results was obtained both in case of thermodyna...mic, electrical conductivity and hardness predictions.
Keywords:The Cu-In-Ni ternary system / isothermal section at 300 degrees C / microstructural analysis / Brinell hardness / electrical conductivity
Source:Materials Research-Ibero-American Journal of Materials, 2018, 21, 3
- Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)