Metallurgical and Materials Transactions A

, Volume 39, Issue 5, pp 1054–1059 | Cite as

Effects of Ti Addition on the Liquid-Phase Separation of Cu71Cr29 Alloy during Rapid Cooling

  • Zhanbo SunEmail author
  • Juan Guo
  • Yan Li
  • Yaomin Zhu
  • Qian Li
  • Xiaoping Song


The effects of Ti addition on the liquid-phase separation of Cu71Cr29 alloy have been investigated. It is revealed that Ti addition can partly suppress the liquid-phase separation of the alloy melts, resulting in refining of Cr-rich particles formed after liquid-phase separation during rapid cooling. Nanoscaled Cr2Ti and Cu4Ti phases precipitate in the annealed Cu-Cr-Ti ribbons when Ti content attains 2.5 pct. The thermodynamic analyses indicate that the large positive mixing heat between Cu and Cr is reduced by the addition of Ti, leading to the liquid-phase separation occurring at a lower temperature and being driven by a smaller force. However, more Cr and Ti dissolve in Cu solid solution when Ti content is more than 3 pct, and as a result, the electrical resistivity of the ribbons is increased sharply.


Electrical Resistivity Liquid Phase Separation Annealed Ribbon Critical Nucleus Radius Metastable Liquid Phase Separation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



Supported by the National Natural Science Foundation of China (50371066).


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Copyright information

© The Minerals, Metals & Materials Society and ASM International 2008

Authors and Affiliations

  • Zhanbo Sun
    • 1
    Email author
  • Juan Guo
    • 1
  • Yan Li
    • 2
  • Yaomin Zhu
    • 2
  • Qian Li
    • 1
  • Xiaoping Song
    • 1
  1. 1.School of Science, State Key Laboratory for Mechanical Behavior of MaterialsXi’an Jiaotong UniversityXi’anPeople’s Republic of China
  2. 2.School of Materials Science and EngineeringHenan University of Science and TechnologyLuoyangPeople’s Republic of China

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