Journal of Materials Science: Materials in Electronics

, Volume 23, Issue 9, pp 1698–1704 | Cite as

Ceria reinforced nanocomposite solder foils fabricated by accumulative roll bonding process

  • A. Roshanghias
  • A. H. Kokabi
  • Y. Miyashita
  • Y. Mutoh
  • M. Rezayat
  • H. R. Madaah-Hosseini


As one of the key technologies for high performance electronic devices, composite solders have been recently developed to improve thermal and mechanical properties of solder joints. In this study, accumulative roll bonding process was used as an effective alternative method for manufacturing high-strength, finely dispersed, void-free and highly uniform Sn–Ag–Cu/CeO2 nanocomposite solders. Microstructural investigation of nanocomposite solders revealed that homogenous distribution of CeO2 nanoparticle has been achieved and the eutectic as-cast morphology of the solder changed to recrystallized fine grained structure. As a result of severe plastic deformation during rolling, brittle and elongated intermetallics crushed into fine particles with an average diameter of a few hundred nanometers and dispersed uniformly in the solder matrix. Mechanical test results showed that the microhardness, 0.2% yield stress, and ultimate tensile strength of the composite solder increased with addition of CeO2 nanoparticles, while the ductility of the composite was decreased.


CeO2 Solder Joint Severe Plastic Deformation Solder Alloy Accumulative Roll Bonding 


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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • A. Roshanghias
    • 1
  • A. H. Kokabi
    • 1
  • Y. Miyashita
    • 2
  • Y. Mutoh
    • 3
  • M. Rezayat
    • 1
  • H. R. Madaah-Hosseini
    • 1
  1. 1.Department of Materials Science and EngineeringSharif University of TechnologyTehranIran
  2. 2.Department of Mechanical EngineeringNagaoka University of TechnologyNagaokaJapan
  3. 3.Department of System SafetyNagaoka University of TechnologyNagaokaJapan

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