Performance of periodic piezoelectric composite arrays incorporating a passive phase exhibiting anisotropic properties [PDF]
This paper explores the minimisation of interelement cross talk in 1-D and 2-D periodic composite array structures through the incorporation of a passive phase exhibiting anisotropic elastic properties.
Hayward, G. +4 more
core +1 more source
An Omnidirectional Near-Field Comprehensive Damage Detection Method for Composite Structures
As one of the active structural health monitoring methods based on the Lamb wave, the ultrasonic phased-array damage detection method can provide information such as damage location and range more intuitively, which is why this method is a research ...
Zhiling Wang +3 more
doaj +1 more source
Investigating the influence of the constituent materials on the performance of periodic piezoelectric composite arrays [PDF]
This paper describes a theoretical investigation into the influence of the constituent materials on periodic composite array transducer performance. A finite element (FE) model, configured in PZFlex, is used to analyze the performance of a wedge coupled ...
Gachagan, A. +3 more
core +1 more source
The use of pulse-compression in ultrasonic non-destructive testing has assured, in various applications, a significant improvement in the signal-to-noise ratio.
Muhammad Khalid Rizwan +4 more
doaj +1 more source
Методы и средства измерения пространственно-временных характеристик ультразвуковых линейных фазированных антенных решеток [PDF]
Розглянуті методи вимірювання просторово-часових характеристик ультразвукових лінійних фазованих антенних решіток. Представлені структурні схеми розроблених систем вимірювання.
Kraskovskyj, O. P. +8 more
core +1 more source
A review of miniaturised Non-Destructive Testing technologies for in-situ inspections [PDF]
Non-destructive testing (NDT) techniques have become attractive trends of product manufacturing, installation and post-maintenance in the aerospace, automotive and manufacturing industry, because of its benefits such as cost saving, easy to use and high ...
Addepalli +12 more
core +1 more source
Total focussing method for volumetric imaging in immersion non destructive evaluation [PDF]
This paper describes the use of a 550 (25x22) element 2MHz 2D piezoelectric composite array in immersion mode to image an aluminum test block containing a collection of artificial defects.
Drinkwater, B. +6 more
core +1 more source
Phased array ultrasonic testing of gear tooth
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 +1 more source
Simulation Based Investigation of Focusing Phased Array Ultrasound in Dissimilar Metal Welds
Flaws at dissimilar metal welds (DMWs), such as reactor coolant systems components, Control Rod Drive Mechanism (CRDM), Bottom Mounted Instrumentation (BMI) etc., in nuclear power plants have been found.
Hun-Hee Kim +4 more
doaj +1 more source
Phased array probes for air-coupled ultrasonic testing based on cellular polymer
Air-coupled ultrasonic testing is an established alternative to conventional ultrasonic methods for testing of light-weight components in aerospace and automotive industry.
Mate Gaal +6 more
doaj +1 more source

