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Role of turbine blades

The turbine blades are subjected to the action of high-temperature and high-pressure steam, and bear a large bending moment in the work. The moving blades in high-speed operation also bear a high centrifugal force; The blades in the wet steam area, especially the last stage, have to withstand electrochemical corrosion and water droplet erosion, and the moving blades also have to withstand very complex excitation forces. Therefore, the blade steel shall meet the following requirements:

1. Have sufficient mechanical properties and creep resistance at room temperature and high temperature;

2. High anti vibration attenuation capability;

3. High tissue stability;

4. Good corrosion resistance and erosion resistance;

5. Good process performance.

Post time: Sep-01-2022