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Journal of Materials Engineering and PerformanceVolume 22, Issue 8, August 2013, Pages 2343-2350

Description of the liquidus surface and characterization of alloys of the ternary Bi-Cu-In system(Article)

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  • aFaculty of Technical Science, University in Priština, Kosovska Mitrovica, Serbia
  • bMachinery Faculty, University in Kragujevac, Kraljevo, Serbia
  • cInstitute of Chemistry, Technology and Metallurgy, University of Belgrade, Belgrade, Serbia
  • dTechnical Faculty, University of Belgrade, Bor, Serbia

Abstract

Lead-free solders with copper are considered as a possible substitution for standard lead-tin solders. Ternary Bi-Cu-In system is a potential soldering material based on copper. For a more complete characterization of the ternary Bi-Cu-In system, alloys from the three vertical sections were investigated using microstructural analysis as well as by electrical conductivity and Brinell hardness measurements. The microstructures of the alloys were investigated at room temperature by application of scanning electron microscopy combined with energy dispersive spectrometry and optical microscopy. Isolines of electrical conductivity and hardness for the entire Bi-Cu-In system were calculated using regression models. In addition, a thermodynamic assessment of the system has been carried out by calculation of the isothermal section at 25 C and description of the liquidus surface using the CALPHAD method. Experimental and analytical results were found to be in a good agreement. © 2013 ASM International.

Author keywords

Bi-Cu-In systemelectrical conductivityhardnessliquidusmicrostructure

Indexed keywords

Engineering uncontrolled termsBi-Cu-In systemBrinell-hardness measurementElectrical conductivityEnergy dispersive spectrometryIsothermal sectionsLiquidusMicrostructural analysisThermodynamic assessment
Engineering controlled terms:CopperElectric conductivityHardnessMicrostructureRegression analysisScanning electron microscopy
Engineering main heading:Alloys

Funding details

Funding sponsor Funding number Acronym
Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja172037,37020,TR37020,OI172037MPNTR

  • 1

    This work was supported by the Ministry of Education and Science of the Republic of Serbia under Projects OI172037 and TR37020. Calculations were performed by Pandat 8.1 software.

  • ISSN: 10599495
  • CODEN: JMEPE
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1007/s11665-013-0493-3
  • Document Type: Article

  Minić, D.; Faculty of Technical Science, University in Priština, Serbia;
© Copyright 2013 Elsevier B.V., All rights reserved.

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