Current state and development of the research on solid particle erosion and repair of turbomachine blades

Abstract

Centrifugal compressors, steam turbines and aircraft engines are the three typical high-speed turbomachines. Solid particle erosion is one of the main reasons causing the blades wear failure. In this paper, failure conditions and failure modes of erosion are summarized. The development and status of the theories on the solid particle erosion are reviewed, the primary influencing factors on erosion such as the particle characteristics, environmental condition and materials characteristics are analyzed. The researches on the repair of worn blades are introduced.