Ultrasonic waves for materials evaluation in fatigue, thermal and corrosion damage: A review
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TLDR
In this paper, the main results of research in the field of non-linear ultrasonic wave investigations for the inspection of fatigue damage, thermal damage and chemical damage are highlighted for the first-stage damage.About:
This article is published in Mechanical Systems and Signal Processing.The article was published on 2019-04-01 and is currently open access. It has received 104 citations till now. The article focuses on the topics: Ultrasonic sensor.read more
Citations
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Recent Advancements in Non-Destructive Testing Techniques for Structural Health Monitoring
TL;DR: This study mainly focuses on the scope and recent advancements of the Non-destructive Testing (NDT) application for SHM of concrete, masonry, timber and steel structures.
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New entropy-based vibro-acoustic modulation method for metal fatigue crack detection: An exploratory study
TL;DR: In this article, a new vibro-acoustic modulation (VAM) method was proposed to monitor fatigue cracks in metal fatigue by replacing the shaker through the PZT transducer, and both low frequency and high frequency (HF) excitations were based on linear swept sine waves.
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Evaluation of sorbents for high temperature removal of tars, hydrogen sulphide, hydrogen chloride and ammonia from biomass-derived syngas by using Aspen Plus
TL;DR: In this paper, the authors developed a simulation model for a gasifier including gas clean-up, for which a fluidized-bed gasifier for biomass-derived syngas production was considered, based on a quasi-equilibrium approach through Gibbs free energy minimisation, and including an innovative hot gas cleaning, constituted by a combination of catalyst sorbents inside the gasification reactor, catalysts in the freeboard and subsequent sorbent reactors.
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A nonlinear ultrasonic method for real-time bolt looseness monitoring using PZT transducer–enabled vibro-acoustic modulation:
TL;DR: In this paper, a real-time nonlinear ultrasonic method based on vibro-acoustic modulation is applied to monitor early bolt looseness quantitatively by using piezoceramic transducers.
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Early Crack Detection of Reinforced Concrete Structure Using Embedded Sensors.
TL;DR: It is shown that the ultrasonic sensors can detect a crack with a probability of detection of 100%, also before it is visible by the naked eye and other techniques, even if the damage is not in the direct path of the ultrasonic wave.
References
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The interaction of Lamb waves with defects
D. N. Alleyne,Peter Cawley +1 more
TL;DR: The results indicate that Lamb waves may be used to find notches when the wavelength to notch depth ratio is on the order of 40, and the 2-D Fourier transform method is used to quantify Lamb wave interactions with defects.
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Elements of Metallurgy and Engineering Alloys
TL;DR: In this paper, the authors provide thorough and systematic coverage on both basic metallurgy and the practical engineering aspects of metallic material selection and application, including practical information on the engineering properties and applications of steels, cast irons, nonferrous alloys, and metal matrix composites.
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Nonlinear Mesoscopic Elasticity: Evidence for a New Class of Materials
Robert A. Guyer,Paul A. Johnson +1 more
TL;DR: In this article, the elastic behavior of a rock is probed, for instance, it shows extreme nonlinearity hysteresis and discrete memory (the Flintstones could have had a computer that used a sandstone for random access memory).
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Defect detection in pipes using guided waves
TL;DR: In this paper, the authors present a review of the studies of the propagation of the waves and their sensitivity to defects which have been conducted in order to provide a sound scientific basis for the method.
Journal ArticleDOI
Coda wave interferometry for estimating nonlinear behavior in seismic velocity.
TL;DR: The nonlinear dependence of the seismic velocity in granite on temperature and the associated acoustic emissions is determined using coda wave interferometry.