Study on Ultrasonic Phased Array Inspection Method of Crack Defects in Butt Joints of Multi-Layered Steel Vessel for High-Pressure Hydrogen Storage

Bo Deng, Zilong Wu, Rui Yan and Chilou Zhou ()
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Bo Deng: School of Mechanical and Automobile Engineering, South China University of Technology, Guangzhou 510640, China
Zilong Wu: School of Mechanical and Automobile Engineering, South China University of Technology, Guangzhou 510640, China
Rui Yan: School of Mechanical and Automobile Engineering, South China University of Technology, Guangzhou 510640, China
Chilou Zhou: School of Mechanical and Automobile Engineering, South China University of Technology, Guangzhou 510640, China

Energies, 2025, vol. 18, issue 20, 1-19

Abstract: The full multilayer high-pressure hydrogen storage vessel plays an important role in hydrogen refueling stations. However, these vessels may fail after a certain period due to crack formation, necessitating periodic inspections. Among the various parts, the butt joints connecting the thick-walled nozzles and hemispherical heads represent critical and challenging areas for inspection. In this study, a one-shot multi-receiver defect detection and localization method is developed based on the ultrasonic phased array method. In order to verify the feasibility of the method, the interaction between the ultrasonic wave and the crack defects at the key position of the butt joint is analyzed based on finite element, enabling the accurate localization of crack tips; an experimental specimen was designed and fabricated, and a corresponding phased array detection test was conducted to validate the method.

Keywords: high-pressure hydrogen storage vessel; ultrasonic phased array; butt joint; defect location (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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