| 摘要 |
<p>A method for producing a turbine rotor of an exhaust gas turbocharger, wherein the turbine rotor includes a turbine wheel with a hub and turbine blades that extend from the hub, and a shaft, includes the steps of: providing the turbine wheel, composed of a first material, and a shaft composed of a second material that is different from the first material; connecting the shaft to the hub of the turbine wheel; and forming a protective layer by applying or introducing a halogen on or in the surface of the turbine wheel and subsequently heat-treating the turbine rotor, the heat treatment being carried out in an environment having an oxygen partial pressure which is greater than a first oxygen partial pressure from which the first material is oxidized and is less than a second oxygen partial pressure from which the second material is oxidized.</p> |
