System and method for identification, grouping and sizing of embedded flaws in rotor components using ultrasonic inspection
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United States of America Patent
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Dec 5, 2017
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app pub date -
Jan 3, 2014
filing date -
Jan 17, 2013
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Abstract
A method and software system for flaw identification, grouping and sizing for fatigue life assessment for rotors used in turbines and generators. The method includes providing ultrasonic data of a plurality of rotor slices and providing volume reconstruction of the ultrasonic data. The method also includes providing in-slice identification, grouping and sizing of flaw indications in the rotor based on the volume reconstruction. Further, the method includes providing inter-slice identification, grouping and sizing of the flaw indications based on the in-slice flaw indications and providing flaw location and size information. The method can be used in both phased-array and A-scan inspections.
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