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Phase Equilibria of V-Si-Y Ternary System at 1073 K

  • Ting Yang
  • Zhi LiEmail author
  • Kecheng Long
  • Wei Wang
  • Ya Liu
  • Fucheng Yin
Article
  • 17 Downloads

Abstract

In this work, the phase relationship of V-Si-Y ternary system at 1073 K has been experimentally investigated using the combination of x-ray powder diffraction and scanning electron microscopy with energy-dispersive x-ray analyses using equilibrated alloy method. The existence of eight binary compounds, namely, VSi2, V6Si5, V5Si3, V3Si, Y3Si5, YSi, Y5Si4, and Y5Si3 has been confirmed. Y2Si3 and YSi2 were not found at 1073 K. No ternary compound was found at 1073 K in this system. The maximum solid solubility of Si in the (V) phase is about 4.0 at.%. The range of homogeneity of V3Si was from 20.4 to 25.4 at.% Si. No remarkable solid solubility of the elements in any other phase was observed. This isothermal section consists of nine three-phase regions, 19 two-phase regions and 11 single-phase regions.

Keywords

compounds phase diagram V-Si-Y ternary system x-ray diffraction 

Notes

Acknowledgments

This investigation is supported by the National Science Foundation of China (Grant No: 51471140) and Jiangsu Province Key Laboratory of Materials Surface Science and Technology, China.

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Copyright information

© ASM International 2019

Authors and Affiliations

  • Ting Yang
    • 1
    • 2
  • Zhi Li
    • 1
    • 2
    • 3
    Email author
  • Kecheng Long
    • 1
    • 2
  • Wei Wang
    • 1
    • 2
  • Ya Liu
    • 3
  • Fucheng Yin
    • 1
    • 2
  1. 1.School of Materials Science and EngineeringXiangtan UniversityXiangtanPeople’s Republic of China
  2. 2.Key Laboratory of Materials Design and Preparation Technology of Hunan ProvinceXiangtanPeople’s Republic of China
  3. 3.Jiangsu Key Laboratory of Materials Surface Science and TechnologyChangzhou UniversityChangzhouPeople’s Republic of China

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