Results 1 to 10 of about 2,754 (159)

Sound Field Modeling Method and Key Imaging Technology of an Ultrasonic Phased Array: A Review

Applied Sciences, 2022
An ultrasonic phased array consists of multiple ultrasonic probes arranged in a certain regular order, and the delay time of the excitation signal sent to each array element is controlled electronically.
Qian Xu, Haitao Wang
doaj   +3 more sources

Automated Classification of Pipeline Defects from Ultrasonic Phased Array Total Focusing Method Imaging

Energies, 2022
The defects in the welds of energy pipelines have significantly influenced their safe operation. The inefficient and inaccurate detection of the defects may give rise to catastrophic accidents.
Haibin Wang, Zhichao Fan, Xuedong Chen, Jingwei Cheng, Wei Chen, Zhe Wang, Yangguang Bu   +6 more
doaj   +3 more sources

Phased array ultrasonic testing of gear tooth

Cogent Engineering
This paper proposes a new testing method, phased array ultrasonic testing, for the internal defects of gear teeth, which can be used to inspect the teeth of final products, breaking the limitations of incomplete volume coverage of conventional ultrasonic
Liang Wang, Chenchen Ma
doaj   +3 more sources

All-optically controlled phased-array for ultrasonics. [PDF]

Nat Commun
Abstract The ability to dynamically shape ultrasound fields is critical for emerging applications in therapeutic ultrasound, particle manipulation and tissue engineering. While existing phased arrays provide beam steering for imaging, these newer applications require higher intensities.
Goyal R, Demeulenaere O, Fournelle M, Athanassiadis AG, Fischer P.   +4 more
europepmc   +5 more sources

Advances of Machine Learning in Phased Array Ultrasonic Non-Destructive Testing: A Review

AI
Recent advancements in machine learning (ML) have led to state-of-the-art performance in various domain-specific tasks, driving increasing interest in its application to non-destructive testing (NDT). Among NDT techniques, phased array ultrasonic testing
Yiming Na, Yunze He, Baoyuan Deng, Xiaoxia Lu, Hongjin Wang, Liwen Wang, Yi Cao   +6 more
doaj   +3 more sources

Improving Depth Resolution of Ultrasonic Phased Array Imaging to Inspect Aerospace Composite Structures [PDF]

Sensors, 2020
Luca Zanotti Fragonara, João Raposo, Reza Mohammadkhani   +2 more
exaly   +2 more sources

Crack Detection Method for Wind Turbine Tower Bolts Using Ultrasonic Spiral Phased Array

Sensors
High-strength bolts are crucial load-bearing components of wind turbine towers. They are highly susceptible to fatigue cracks over long-term service and require timely detection.
Hongyu Sun, Jingqi Dong, Xi Diao, Xincheng Huang, Ziyi Huang, Zhichao Cai   +5 more
doaj   +3 more sources

Ultrasonic Phased Array Sparse-TFM Imaging Based on Sparse Array Optimization and New Edge-Directed Interpolation [PDF]

Sensors, 2018
Xiongbing Li, Hongwei Hu, Hu Hongwei
exaly   +2 more sources

Inspection of wind turbine bolted connections using the ultrasonic phased array system [PDF]

Heliyon
Yashar Javadi, Farhad Abad, S Lotfian
exaly   +2 more sources

Numerical simulation of phased array ultrasonic testing for fillet weld defects of type-B sleeve

You-qi chuyun, 2022
Type-B sleeve repair is one of the main permanent repair methods for long-distance oil and gas pipelines at present. However, fillet weld defects are often produced during the operation, which need to be detected and evaluated by phased array ultrasonic ...
Hongbo ZHANG, Yuxuan WU, Bo HU, Yan LIU, Pengjun JIA, Cuixiang PEI   +5 more
doaj   +1 more source