Method for monitoring the creep behavior of rotating components of a compressor stage or turbine stage
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United States of America Patent
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May 27, 2003
Grant Date -
Feb 14, 2002
app pub date -
Dec 27, 2000
filing date -
Dec 23, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a method for monitoring the creep behavior of rotating components of a compressor stage or turbine stage. In the method, at least one test element (2) is mounted in a region of the compressor stage or turbine stage in which the test element is exposed to an operating load comparable to that of the component to be monitored. The test element (2) is investigated after a predeterminable operating period of the component to be monitored. Finally, the creep behavior of the component to be monitored is derived from the creep behavior of the test element. The method makes it possible to detect exactly the creep behavior or creep damage of the component to be monitored, during the useful life of this component.
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