Study of the Effect of Rhenium on Heat-Resistant Titanium Alloy Mechanical Properties and Microstructure

Abstract

Complexly alloyed heat-resistant titanium alloys of the composition Ti–5Al–5Mo–5V–3Cr–1Re are studied. High-temperature test mechanical properties of these alloys in compression and tension at 600°C are provided and compared with similar properties of alloy Ti–5Al–5Mo–5V–3Cr. It is established that addition of rhenium increases alloy high-temperature strength properties and plastic deformation processes occur mainly in the β -phase not affecting α -phase.