摘要 |
A compressor rotor wheel construction and a method of making same is provided which includes a blade portion of heat-resistant metallic material, a rotor disk portion made of a high-strength metallic material, and a steel spacer ring arrangement connecting the blade and rotor disk portions. The steel spacer rings are connected by explosion welding to the blade portion, are then finish machined, as is the rotor portion, and then the spacer rings are connected respectively to the rotor disk portion by brazing or welding. |