Thermal Stability and Recrystallization of Titanium Grade 4 with Ultrafine-Grained StructureGrigory Dyakonov, Sergey Mironov, Tatyana Yakovleva and Irina SemenovaMATEC Web Conf., 321 (2020) 11060DOI: https://doi.org/10.1051/matecconf/202032111060