TITANIUM-BASE ALLOY AND ARTICLE MADE OF THEREOF Russian patent published in 2003 - IPC

FIELD: metallurgy. SUBSTANCE: invention relates to titanium-base alloys designated for making structural members, units and aggregates for aerospace industry, ship building, automobile manufacture, energetic and chemical machine engineering. Invention proposes titanium-base alloy comprising aluminum, molybdenum, vanadium, zirconium, iron, silicon, carbon, oxygen that involves additionally tungsten, copper and boron in the following ratio of components, wt. -%: aluminum, 5.0-6.5; molybdenum, 0.5-0.8; vanadium, 0.5-1.2; zirconium, 0.5-0.8; iron, 0.3- 0.5; silicon, 0.05-0.2; carbon, 0.05-0.2; oxygen, 0.1-0.2; tungsten, 0.05- 0.3; copper, 0.1-0.3; boron, 0.005-0.01l titanium, the balance, and to article made of this alloy. Invention provides the enhancement of ductility, endurance limit and impact viscosity at retained level of strength limit. EFFECT: improved and valuable properties of alloy and article. 3 cl, 2 tbl