Experimental isothermal section of the Nb-Ni-Ru ternary system at 1100 °C

Qian Xin Long, Jingjing Zhou, Qiancheng Sun, Yong Du, Shuhong Liu, Zhanpeng Jin, Qingrong Yao, Jianqiu Deng, Huaiying Zhou, Shun Li Shang, Zi Kui Liu

Research output: Contribution to journalArticlepeer-review

Abstract

In the present work, the phase equilibria of the Nb-Ni-Ru system at 1100 °C were investigated via a combination of triple diffusion and equilibrated alloys. The samples were examined by X-ray diffraction and electron probe microanalysis. Three new ternary compounds, namely, τ1 (Nb5Ni13Ru2), τ2 (Nb(Ni1-xRux)3, 0.17 ≤ x ≤ 0.32) and τ3 (Nb(Ni1-xRux)3, 0.34 ≤ x ≤ 0.67), were discovered. The isothermal section of the Nb-Ni-Ru ternary system at 1100 °C consists of 10 single-phase regions, 20 two-phase regions, and 11 three-phase regions. The homogeneity ranges for phases in this system were established. In addition, the phases of the Nb-Ru binary system at 1100 °C were discussed, and the existence of compounds NbRu and NbRu2 was confirmed. The NbRu3 phase was not identified, but it should be the solid solution of Nb in Ru.

Original languageEnglish (US)
Article number151801
JournalJournal of Alloys and Compounds
Volume810
DOIs
StatePublished - Nov 25 2019

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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