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Journal of Phase Equilibria and Diffusion

, Volume 39, Issue 2, pp 226–236 | Cite as

Experimental Investigation of Phase Equilibria in Ti–Zr–Ge System

  • J. S. Liu
  • X. M. Huang
  • J. L. Liu
  • H. S. Liu
  • G. M. Cai
  • Z. P. Jin
Article
  • 117 Downloads

Abstract

Phase equilibria in the Ti–Zr–Ge ternary system at 1073 and 1173 K were investigated experimentally using equilibrated alloys with electron probe microanalysis and x-ray diffraction analysis. No ternary compounds were detected. Eleven and nine three-phase regions were determined in the Ti–Zr–Ge isothermal section at 1073 and 1173 K, respectively. Intermediate compounds ZrGe2, Zr5Ge4, Zr5Ge3, Ti5Ge4, and Ti5Ge3, possessing large solubility, extended along the Ge isoconcentration line, indicating remarkable substitution of Ti for Zr in the Zr–Ge compounds or of Zr for Ti in the Ti–Ge compounds. The solubility of Ti in ZrGe2 increased from 16.0 at.% at 1073 K to 19.3 at.% at 1173 K, while that of Zr in Ti5Ge3 remained nearly 41.0 at.% at both 1073 and 1173 K.

Keywords

isothermal section microstructure phase diagram ternary system Ti–Zr–Ge alloy 

Notes

Acknowledgments

This work was financially supported by the Major State Basic Research Development Program of China (Grant No. 2014CB6644002) and the Project of Innovation-Driven Plan in Central South University (no. 2015CX004).

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Copyright information

© ASM International 2018

Authors and Affiliations

  • J. S. Liu
    • 1
  • X. M. Huang
    • 1
  • J. L. Liu
    • 1
  • H. S. Liu
    • 1
  • G. M. Cai
    • 1
  • Z. P. Jin
    • 1
  1. 1.School of Materials Science and EngineeringCentral South UniversityChangsha CityPeople’s Republic of China

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