Method for joining structural components
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United States of America Patent
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Jul 20, 2010
Issued Date -
N/A
app pub date -
Jun 8, 2006
filing date -
Jun 9, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Two structural components, such as a gas turbine rotor hub and a rotor blade, are integrally joined to each other by friction welding, particularly linear friction welding. For this purpose, each component is provided with a joining surface and at least one of the two components is provided with a groove next to the respective joining surface. The groove extends fully or partly around the respective joining surface and serves for reducing stress in a normal and radial direction of the respective joining surface, whereby a more uniform heating of the joining zone is achieved and joining faults are avoided or at least reduced during the friction welding.
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