Effect of Rare-earth Element Addition on Structure of Heat-resistant Ti–6.5Al–4Zr–2.5Sn–2.4V–1Nb–0.5Mo–0.2Si Titanium AlloySvetlana Skvortsova, Ivan Grushin, Oksana Umarova and Konstantin SperanskiyMATEC Web Conf., 114 (2017) 02008DOI: https://doi.org/10.1051/matecconf/201711402008