| abstract |
A steam turbine rotor having both wear resistance and reliability is provided, and a method for manufacturing a steam turbine rotor capable of obtaining such a steam turbine rotor. The steam turbine rotor according to the present invention comprises a blade base and an erosion shield formed on a surface of the blade base, wherein the blade base is made of a titanium alloy, and the erosion shield is made of pure titanium Or a welded padding layer comprising a parent phase 30 made of a titanium alloy in which a metal element is dissolved and a hard phase 31 dispersed in the parent phase. |