10.14489/td.2025.01.pp.026-034

2025, 01 January

DOI: 10.14489/td.2025.01.pp.026-034

Ushakov V. M.
SOME FEATURES OF ULTRASONIC TASTING OF METAL EQUIPMENT AND PIPELINES OF NUCLEAR POWER PLANTS
pp. (26-34)

Abstract. The article reviews individual points of some normative and methodological documents that cause ambiguous or controversial interpretation. The corresponding comments are given. The article describes the features of ultrasonic testing, in particular, of sheet metal, rods used as blanks in the manufacture of elements of nuclear power plants, as well as welded joints of elements of nuclear power plants with a description of the flaw detector settings: depth gauge, sweep duration and sensitivity using a DAC curve, as well as sounding schemes taking into account the design features of welded joints. The article describes the assessment of test objects based on the results of ultrasonic testing.

Keywords: sheet metal, rods, ultrasonic testing, flaw detector, transducers, testing sensitivity, quality assessment.

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V. M. Ushakov (JSC “RPA “CNIITMASH”, Moscow, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

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1. Sheet rental. Ultrasonic testing methods. (1998). Standard No. GOST 22727‒88. Moscow: Gosstandart. [in Russian language]
2. Klyuev V. V. (Ed.), Ermolov I. N., Lange Yu. V. (2006). Non-destructive testing: handbook: in 8 volumes. Vol. 3. Ultrasonic testing. 2nd ed. Moscow: Mashinostroenie. [in Russian language]
3. Ermolov I. N., Ermolov M. I. (2004). Ultrasonic testing: a textbook for specialists of I and II qualification levels. Moscow: TsNIITMASh. [in Russian language]
4. Rods and blanks of round and rectangular cross-section. Ultrasonic flaw detection methods. From change No. 1, 2, as amended in 1981. (1988). Standard No. GOST 21120‒75. Moscow: Gosstandart. [in Russian language]
5. Non-destructive testing. Forgings from ferrous and non-ferrous metals. Ultrasonic flaw detection methods. As amended in 1992 edition. (1993). Standard No. GOST 24507‒80. Moscow: Gosstandart. [in Russian language]
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7. Industry standard. Steel forgings for power equipment. Ultrasonic testing technique. (1996). Industry standard No. OST 108.958.03‒96 (RD 27.28.001‒96). Moscow: AO «NPO «TsNIITMASh». [in Russian language]
8. Rules and regulations in nuclear energy. Equipment and pipelines of nuclear power plants. Welded joints and surfacing. Control rules. (1991). Safety guidelines No. PNAE G-7-010‒89. Moscow: Energoatomizdat. [in Russian language]
9. Unified methods for monitoring basic materials (semifinished products), welded joints and surfacing of equipment and pipelines of nuclear power plants. Ultrasonic testing Part II. Inspection of welded joints and surfacing. (1992). Safety guidelines No. PNAE G-7-030‒91. Moscow: TsNIIatominform. [in Russian language]
10. Ushakov V. M. (2024). Ultrasonic control of nuclear power facilities. Normative and methodological documents. Kontrol'. Diagnostika, 27(10), 24 ‒ 40. [in Russian language] DOI: 10.14489/td.2024.10.pp.024-040

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DOI: 10.14489/td.2025.01.pp.026-034

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