Inspection of shrunk-on steam turbine disks using advanced ultrasonic techniques
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United States of America Patent
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-
May 18, 2004
Grant Date -
Jul 11, 2002
app pub date -
Dec 4, 2001
filing date -
Dec 7, 2000
priority date (Note) -
Expired
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Abstract
A method of ultrasonically testing the disk bore and keyway area of a shrunk-on steam turbine rotor disk or hub is provided. The method employs a one or more scanning ultrasonic phased linear array probes mounted on the disk to inspect the disk bore and keyway area on the opposite side of the disk.
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