... of structures made of metallic materials. This article presents a newly developed and promising nonlinear ultrasonic (NLU) technique called sideband peak count- i ndex (or SPC-I) for monitoring the early stages of elastoplastic deformation in ductile metallic alloy Al6061. Experimental results presented...

... transducers (EMATs) designed and applied for exciting and receiving ultrasonic signals can maintain the coupling condition consistently on the measure of higher harmonics generated. EMAR provides a sufficient magnitude of signals for higher harmonics generated. In addition, the conventional EMAR technique...

... Email: egon.merks@tno.nl Email: dennis.vanderburg@tno.nl Email: maurits.vanderheiden@tno.nl Email: quincy.martina@tno.nl 30 09 2022 27 12 2022 27 12 2022 02 03 2023 imaging materials testing product quality control sensors ultrasonics in-service inspection...

... , “ Acoustic Source Localization ,” Ultrasonics , 54 ( 1 ), pp. 25 – 38 . 10.1016/j.ultras.2013.06.009 [2] Hassan , F. , Mahmood , A. K. B. , Yahya , N. , Saboor , A. , Abbas , M. Z. , Khan , Z. , and Rimsan , M. , 2021 , “ State-of-the-Art Review on the Acoustic...

... engineering prognosis sensors service life prediction ultrasonics American Chemistry Council 10.13039/100007824 Plastics Division Composite materials possess a higher stiffness-to-weight ratio compared to traditional metals. Owing to their excellent mechanical properties, composite...

... 01 04 2022 07 09 2022 12 09 2022 05 10 2022 lamb wave reliability analysis sensitivity analysis flaw size quantification elastic wave service life prediction structural engineering ultrasonics National Natural Science Foundation of China 10.13039/501100001809...

...Diptojit Datta; Francesco Lanza di Scalea This paper presents a high-speed noncontact rail inspection technique that has the potential of detecting internal rail defects at regular (revenue) train speeds. The technique utilizes an array of capacitive air-coupled ultrasonic transducers in continuous...

... of the wear section. 1 Corresponding author. Email: Philip.Loveday@wits.ac.za Email: craiglongsa@gmail.com 28 09 2021 06 06 2022 06 06 2022 04 07 2022 elastic wave ultrasonics wave propagation modeling Non-destructive testing, using conventional ultrasound...

... configurations with and without inserted flaws with continuous monitoring by using non-destructive testing (NDT) techniques. The acoustic emission (AE) method is used for damage quantification and source localization while digital image correlation (DIC) and air-coupled ultrasonics (ACU) are applied to evaluate...

...Chaitanya Bakre; Abdalla R. Nassar; Edward W. Reutzel; Cliff J. Lissenden In-situ monitoring techniques for additive manufacturing are in high demand to help produce reliable parts. The structural integrity of these parts depends on both the presence of flaws and their microstructure. Ultrasonic...

... and are impractical for deployment over large areas such as piping systems. This work investigates the discriminatory potential of an integral assessment combining multiple NDE techniques: magnetic methods (including coercive field, incremental permeability, and Barkhausen noise), thermoelectric power, and ultrasonic...

... describes an ultrasonic inspection system and its fundamental ability to detect and quantify the length of SCC on thick welded steel plates. The finite element method (FEM) was applied to simulate the welding process to estimate the welding residual stress field. Growth of stress corrosion cracks is driven...

...-amplitude Lamb waves. This paper applies a two-dimensional ultrasonic horn between the structure and a remotely bonded FBG sensor to increase the amplitudes of the measured signal. Experimentally we test a variety of ultrasonic geometries and demonstrate a 100% increase in the measured ultrasonic signal...

... Conference, August 25–26, 2020. 19 10 2020 23 12 2020 24 12 2020 27 08 2021 continuous and periodic condition assessment diagnostic decision support on-line diagnostic approaches ultrasonics The replacement of periodic nondestructive testing (NDT) by permanently...

... 2021 13 05 2021 05 08 2021 harsh or extreme environments nuclear online diagnostic approaches sensors ultrasonics Advanced reactor designs may be classified as high-temperature gas reactors, liquid metal reactors (LMRs) including sodium [Na] and lead [Pb], and various...

... 05 2021 11 05 2021 07 06 2021 temperature monitoring waveguide shear horizontal continuous and periodic condition assessment elastic wave harsh or extreme environments manufacturing processes sensors service life prediction ultrasonics Temperature is one of the most...

... 2021 01 06 2021 monocrystalline silicon Lamb waves anisotropy ultrasonics surface cracks Monocrystalline silicon wafers are used for the manufacture of solar photovoltaic panels with high conversion efficiency [ 1 ]. Thin wafers are beneficial to increase conversion efficiency...

...Sumana; Anish Kumar Ultrasonic nondestructive testing traditionally uses a conventional monolithic transducer. An approach similar to this comprising of independent single transmissions but with reception performed by all the elements in phased array ultrasonics is known as full matrix capture (FMC...

...Hussain Altammar; Nathan Salowitz Ultrasonic structural health monitoring (SHM), employing embedded piezoelectric elements to actuate and sense ultrasonic waves, has greatly advanced in recent years. This paper presents a novel approach to address the prevailing challenges in the inspection...

... and eventual failure of the concrete structures. For safety concerns, one needs to develop suitable nondestructive testing methods capable of detecting past overloads of concrete structures during its service life. In this work, the stress-induced damage in concrete is monitored using ultrasonic techniques...