NON-FREEZING CONTACT LIQUID FOR ULTRASONIC TESTING OF METAL STRUCTURES Russian patent published in 2023 - IPC G01N29/28 

Abstract RU 2797243 C1

FIELD: ultrasonic testing.

SUBSTANCE: acoustic contact in ultrasonic non-destructive testing of extended metal structures. Tthe contact liquid for ultrasonic testing includes isopropyl alcohol, distilled water, acetone, decanal, rhodamine B in the following ratio, wt.%: isopropyl alcohol 80±2.0, acetone 9.9±2.0, aldehyde C10 (decanal) 0.1±0.01, rhodamine B 0.0001±0.00002, distilled water is the rest.

EFFECT: ensuring acoustic contact of the flaw detector with the surface of the rail and welds in a wide temperature range (up to minus 90°C) with the safety of the functioning of the rolling stock, the equipment used, employees who carry out flaw detection of the superstructure of the railway tracks.

1 cl, 7 tbl

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RU 2 797 243 C1

Authors

Egorov Aleksandr Vladimirovich

Goryunkov Aleksej Anatolevich

Egorova Tolganaj Baurzhanovna

Brotsman Viktor Andreevich

Lukonina Natalya Sergeevna

Dates

2023-06-01Published

2023-02-21Filed