In situ X-ray diffraction study of the phase transformation in the non-stoichiometric intermetallic compound Ti3Sn

O. Ivanova (1) , M. Karpets (1) , A.R. Yavari (2) , K. Georgarakis (2) , Y. Podrezov (1)

1 IPMS - I.N. Frantsevich Institute for Problems of Materials Science of NAS of Ukraine
2 SIMaP - Science et Ingénierie des Matériaux et Procédés

Phase transformations of Ti75.5Sn24.5 were investigated using in situ X-ray diffraction during heating. The as cast Ti75.5Sn24.5 was found to consist mainly of an orthorhombic Cmcm phase at room temperature; upon heating to 473 K the material undergoes a reversible group-subgroup transition to hexagonal P6(3)/mmc (D0(19)) phase. Crystal structure and lattice parameters of the orthorhombic phase are suggested based on X-ray and electron diffraction results. The crystallographic relation between parent and product phase is also discussed. (c) 2013 Elsevier B.V. All rights reserved.

Domaines: Matériaux

O. Ivanova, M. Karpets, A.R. Yavari, K. Georgarakis, Y. Podrezov. In situ X-ray diffraction study of the phase transformation in the non-stoichiometric intermetallic compound Ti3Sn. Journal of Alloys and Compounds, 2014, 582, pp.360-363. ⟨10.1016/j.jallcom.2013.07.198⟩. ⟨hal-00929788⟩