Phased Array Ultrasonic Inspection Technology for BOSS Weld Overlaying Repair in Nuclear Power Plant

Tang Jianbang; Wu Yukun; Yu Zhe; Zhu Jiazhen; Kang Zhiping

doi:10.13832/j.jnpe.2023.01.0177

Volume 44 Issue 1

Feb. 2023

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Tang Jianbang, Wu Yukun, Yu Zhe, Zhu Jiazhen, Kang Zhiping. Phased Array Ultrasonic Inspection Technology for BOSS Weld Overlaying Repair in Nuclear Power Plant[J]. Nuclear Power Engineering, 2023, 44(1): 177-182. doi: 10.13832/j.jnpe.2023.01.0177

Citation:

Tang Jianbang, Wu Yukun, Yu Zhe, Zhu Jiazhen, Kang Zhiping. Phased Array Ultrasonic Inspection Technology for BOSS Weld Overlaying Repair in Nuclear Power Plant[J]. Nuclear Power Engineering, 2023, 44(1): 177-182. doi: 10.13832/j.jnpe.2023.01.0177

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Phased Array Ultrasonic Inspection Technology for BOSS Weld Overlaying Repair in Nuclear Power Plant

doi: 10.13832/j.jnpe.2023.01.0177

CGN Inspection Technology Co., Ltd., Suzhou, Jiangsu, 215026, China

Received Date: 2022-02-13
Rev Recd Date: 2022-09-13
Publish Date: 2023-02-15

Abstract

Abstract

Nuclear power plant reactor refueling pool and spent fuel pool cooling and treatment system (PTR) and equipment circulating cooling system (RRI) contain a large number of BOSS welds, whose safety and reliability directly affect the safety status of stored nuclear fuel. Defect troubleshooting and on-line repair are the key points and difficulties of in-service inspection and supervision of nuclear power plants. In this paper, a set of special phased array ultrasonic probe and inspection process are designed to meet the special requirements and inspection difficulties of online overlaying repair of BOSS weld and the limitations of radiographic inspection. The test results meet the requirements of overlaying repair, and the nondestructive inspection methods and in-service inspection and supervision strategies for BOSS weld overlaying repair in nuclear power plants are formulated.
- PTR/RRI,
- Phased array,
- BOSS weld,
- Overlaying repair

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References(10)

References

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