Ultrasonic turbine blade testing device and testing method thereof

According to one embodiment, a testing device of a turbine blade includes: a non-compressive elastic medium brought into close contact with a platform of the turbine blade in a state fastened to a turbine rotor; a probe which has piezoelectric elements arranged in an array and transmits ultrasound w...

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Bibliographische Detailangaben
Hauptverfasser:	Ochiai, Makoto, Nomura, Hiroshi, Fuchi, Takuya, Miura, Takahiro, Murakami, Masato, Semboshi, Jun, Yamamoto, Setsu
Format:	Patent
Sprache:	eng ; fin ; swe
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	According to one embodiment, a testing device of a turbine blade includes: a non-compressive elastic medium brought into close contact with a platform of the turbine blade in a state fastened to a turbine rotor; a probe which has piezoelectric elements arranged in an array and transmits ultrasound waves toward a fastening portion of the turbine blade through the elastic medium and receives echo waves; and a display portion for imaging an internal region of the fastening portion on the basis of the echo waves and displaying the same.