Complex refurbishment of titanium turbine blades by applying heat-resistant coatings by direct metal deposition

It is shown that large refractory particles with a hardness of 1384 HV0.1 ÷ 5108 HV0.1 are crystallization centers and reinforcing particles, and melting fine particles form high-temperature phases of TiB and Ti3Al in the coating metal with a hardness of 520 HV0.1.