Open AccessMulti-Angle Phased Array Ultrasonic Line-Scan Method for Steel Reinforced Polyethylene Electro-fusion Welded Joint
Author(s) -
Nan Ding,
Zicheng Wang,
Gui Liu,
Yuke Li
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/677/2/022049
Subject(s) - welding , joint (building) , ultrasonic testing , phased array , ultrasonic sensor , phased array ultrasonics , materials science , polyethylene , fusion , scan line , weld line , signal (programming language) , composite number , line (geometry) , acoustics , computer science , structural engineering , artificial intelligence , composite material , engineering , pixel , telecommunications , philosophy , mathematics , linguistics , geometry , grayscale , programming language , physics , antenna (radio)
In view of the difficulties and ultrasonic blind zone problems in the ultrasonic inspection of electro-fusion welded joint of steel reinforced polyethylene composite pipes, an inspection method based on phased array inspection technology, which compounds multi-angle line scan image, is proposed in this paper. It inspects by forming a plurality of B-scan images through setting up multiple line scanning channels and quick switching in the inspection process, then forming a new B-scan image after optimizing and reconstructing by computer and retaining relevant A-scan signal data for defect evaluation, thus realizing rapid and efficient real-time imaging inspection on the ultrasonic blind zone of the electro-fusion welded joint of steel reinforced polyethylene composite pipes.