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Metals 2016, 6(3), 60; doi:10.3390/met6030060

Experimental Investigation of the Ti-Nb-Sn Isothermal Section at 1173 K

1
School of Metallurgical Engineering, Hunan University of Technology, Zhuzhou 412007, China
2
School of Material Science and Engineering, Central South University, Changsha 410083, China
3
College of Mining, Guizhou University, Guiyang 550025, China
*
Author to whom correspondence should be addressed.
Academic Editor: Hugo F. Lopez
Received: 21 January 2016 / Revised: 3 March 2016 / Accepted: 7 March 2016 / Published: 11 March 2016
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Abstract

Isothermal section of Ti-Nb-Sn at 1173 K was experimentally studied by back-scattered electron, electron probe microanalysis and X-ray diffraction analysis. Solid solution phase β(Ti, Nb), liquid Sn and eight intermetallic compounds Ti3Sn, Ti2Sn, Ti5Sn3, Ti6Sn5, Nb6Sn5, Nb3Sn, Ti3Nb2Sn2 and Ti3NbSn coexisted. Four ternary phase regions Ti3Sn + Ti3NbSn + β(Ti, Nb), Ti3NbSn + Ti3Nb3Sn2 + Ti3Sn, Ti2Sn + Ti3Sn + Ti3Nb3Sn2 and Ti6Sn5 + Ti3Nb3Sn2 + Nb3Sn were experimented. In addition, the proper composition range of the single phase was suggested. All the detected Ti-Sn and Nb-Sn compounds have a remarkable solubility along the isoconcentration of Sn. β(Ti, Nb) has a relatively large solution while liquid Sn has a little in the isothermal section. View Full-Text
Keywords: isothermal section; Ti-Nb-Sn ternary system; phase equilibrium isothermal section; Ti-Nb-Sn ternary system; phase equilibrium
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Wang, J.; Liu, L.; Zhang, L.; Tuo, B.; Bai, W.; Wu, D. Experimental Investigation of the Ti-Nb-Sn Isothermal Section at 1173 K. Metals 2016, 6, 60.

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