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2 337 353

(13)

(51)

IPC

G01N29/04(2006-01-01)

(21) (22)

Application

2006147080/28, 2006-12-27

(24)

Start date

2006-12-27

(22)

Actual filing date

2006-12-27

(45)

Published

2008-10-27

(72)

Inventor

Baryshnikov Valentin IvanovichKolesnikova Tat'Jana AleksandrovnaKhomenko Andrej Pavlovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Irkutskij Gosudarstvennyj Universitet Putej Soobshchenija

METHOD FOR CONTACT-FREE ULTRASONIC DIAGNOSTICS OF WELDED JUNCTIONS Russian patent published in 2008 - IPC G01N29/04

Abstract RU 2337353 C1

FIELD: physics, measurement.

SUBSTANCE: object of invention includes contact-free exciting of ultrasonic wave in object by laser emission and wave registration in reflection or transit mode by optic fiber device with interferometre. Ultrasonic wave in vicinity of welded seam is excited by powerful spatial electric pulse charge synchronised in time with light pulse source of system of ultrasonic wave registration in object.

EFFECT: increased control depth and microfault resolution during contact-free ultrasonicdiagnostics of welded seams.

3 cl, 2 dwg

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RU 2 337 353 C1

Authors

Baryshnikov Valentin Ivanovich

Kolesnikova Tat'Jana Aleksandrovna

Khomenko Andrej Pavlovich

Dates

2008-10-27—Published

2006-12-27—Filed