Complete series of yttrium-titanium and yttrium-zirconium alloys were tested in tension at room temperature, and ultimate tensile strength, yield strength and reduction in area data are reported for these alloys. Yield point phenomena were encountered in both of these alloy systems.
Bare, D. W.; Gibson, E. D.; and Carlson, O. N., "Tensile properties of yttrium-titanium and yttrium-zirconium alloys" (1960). Ames Laboratory Technical Reports. 35.