Results 11 to 20 of about 202,142 (326)

Ultrasonic fingerprinting by phased array transducer [PDF]

IOP Conference Series: Materials Science and Engineering, 2016
Increasing quantity of spent nuclear fuel that must be under national and international control requires a novel approach to safeguard techniques and equipment. One of the proposed approaches is utilize intrinsic features of casks with spent fuel. In this article an application of a phased array ultrasonic method is considered.
Sednev, Dmitry Andreevich, Kataeva, O., Abramets, V., Pushenko, P., Tverdokhlebova, T.   +4 more
core   +4 more sources

Phased array ultrasonic testing of micro-flaws in additive manufactured titanium block

Materials Research Express, 2020
While titanium components manufactured by additive manufacturing have been widely used in direct molding of complex components, their performance is strongly affected by existing internal flaws generated in the unique manufacturing process.
Xiaohui Wang, Wentao Li, Yang Li, Zhenggan Zhou, Junjie Zhang, Fengjin Zhu, Zhen Miao   +6 more
doaj   +2 more sources

A Microscale Linear Phased-Array Ultrasonic Transducer Based on PZT Ceramics. [PDF]

Sensors (Basel), 2019
In this paper, a microscale high-frequency ultrasonic transducer was prepared by combining traditional planar ultrasonic phased-array technology and micro processing technology.
Jiang XJ, Liu MW, Shi FF, Wang W, Wu XM, Chen JY.   +5 more
europepmc   +2 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   +2 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   +2 more sources

Study of Residual Stress Using Phased Array Ultrasonics in Ti-6AL-4V Wire-Arc Additively Manufactured Components [PDF]

Sensors
This paper presents a study on residual stress measurement in wire-arc additively manufactured (WAAM) titanium samples using the non-destructive method of phased array ultrasonics. The contour method (CM) was used for the verification of the phased array
Joseph Walker, Brandon Mills, Yashar Javadi, Charles MacLeod, Yongle Sun, Pradeeptta Kumar Taraphdar, Bilal Ahmad, Sundar Gurumurthy, Jialuo Ding, Fiona Sillars   +9 more
doaj   +2 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   +4 more sources

Crack Orientation and Depth Estimation in a Low-Pressure Turbine Disc Using a Phased Array Ultrasonic Transducer and an Artificial Neural Network [PDF]

Sensors, 2013
Stress corrosion cracks (SCC) in low-pressure steam turbine discs are serious hidden dangers to production safety in the power plants, and knowing the orientation and depth of the initial cracks is essential for the evaluation of the crack growth rate ...
Wenshuang Chang, Shijiu Jin, Shili Chen, Xiaoxia Yang   +3 more
doaj   +2 more sources

Online evolution of a phased array for ultrasonic imaging by a novel adaptive data acquisition method

Scientific Reports
Ultrasonic imaging, using ultrasonic phased arrays, has an enormous impact in science, medicine and society and is a widely used modality in many application fields.
Peter Lukacs, Theodosia Stratoudaki, Geo Davis, Anthony Gachagan   +3 more
doaj   +2 more sources

Optimal Design of Sparse Matrix Phased Array Using Simulated Annealing for Volumetric Ultrasonic Imaging with Total Focusing Method

Sensors
The total focusing method (TFM) is often considered to be the ‘gold standard’ for ultrasonic imaging in the field of nondestructive testing. The use of matrix phased arrays as probes allows for high-resolution volumetric TFM imaging.
Dmitry Olegovich Dolmatov, Vadim Yurevich Zhvyrblya   +1 more
doaj   +2 more sources