A review of non-destructive testing (NDT) techniques for defect detection: application to fusion welding and future wire arc additive manufacturing processes
M Shaloo, M Schnall, T Klein, N Huber, B Reitinger - Materials, 2022 - mdpi.com
In Wire and Arc Additive Manufacturing (WAAM) and fusion welding, various defects such as
porosity, cracks, deformation and lack of fusion can occur during the fabrication process …
porosity, cracks, deformation and lack of fusion can occur during the fabrication process …
Pulsed excitation heating of semiconductor material and its thermomagnetic response on the basis of fourth-order MGT photothermal model
When designing mechanical equipment, it's important to consider the photothermal impacts
in addition to mechanical ones. This is because photothermal effects can have a significant …
in addition to mechanical ones. This is because photothermal effects can have a significant …
[HTML][HTML] Detection of disbonds in adhesively bonded aluminum plates using laser-generated shear acoustic waves
Adhesively bonded metals are increasingly used in many industries. Inspecting these parts
remains challenging for modern non-destructive testing techniques. Laser ultrasound (LU) …
remains challenging for modern non-destructive testing techniques. Laser ultrasound (LU) …
[HTML][HTML] Non-destructive laser-ultrasonic Synthetic Aperture Focusing Technique (SAFT) for 3D visualization of defects
CY Ni, C Chen, KN Ying, LN Dai, L Yuan, WW Kan… - Photoacoustics, 2021 - Elsevier
Abstract The Laser Ultrasonic (LU) technique has been widely studied. Detected ultrasonic
signals can be further processed using Synthetic Aperture Focusing Techniques (SAFTs), to …
signals can be further processed using Synthetic Aperture Focusing Techniques (SAFTs), to …
Simulation of wave propagation in linear thermoelastic media
JM Carcione, ZW Wang, W Ling, E Salusti… - …, 2019 - pubs.geoscienceworld.org
We have developed a numerical algorithm for simulation of wave propagation in linear
thermoelastic media, based on a generalized Fourier law of heat transport in analogy with a …
thermoelastic media, based on a generalized Fourier law of heat transport in analogy with a …
[HTML][HTML] High power phased EMAT arrays for nondestructive testing of as-cast steel
J Tkocz, D Greenshields, S Dixon - NDT & E International, 2019 - Elsevier
A new high-power electromagnetic acoustic transducer (EMAT) solid state pulser system
has been developed that is capable of driving up to 4 EMAT coils with programmable phase …
has been developed that is capable of driving up to 4 EMAT coils with programmable phase …
[HTML][HTML] Measurement of the single crystal elasticity matrix of polycrystalline materials
Many engineering metals are polycrystalline, as such the elasticity, crystalline orientation
and grain distribution are cardinal factors in determining the physical properties of the …
and grain distribution are cardinal factors in determining the physical properties of the …
udkm1Dsim—A simulation toolkit for 1D ultrafast dynamics in condensed matter
The udkm 1 Dsim toolbox is a collection of matlab (MathWorks Inc.) classes and routines to
simulate the structural dynamics and the according X-ray diffraction response in one …
simulate the structural dynamics and the according X-ray diffraction response in one …
[HTML][HTML] Experimental and numerical study of the excitability of zero group velocity Lamb waves by laser-ultrasound
The excitability of zero group velocity (ZGV) Lamb waves using a pulsed laser source is
investigated experimentally and through numerical simulation. Experimentally, a laser …
investigated experimentally and through numerical simulation. Experimentally, a laser …
Characteristics and removal mechanism in laser cutting of cBN–WC–10Co composites
Laser cutting of a cBN–WC–10Co composite material was carried out using a pulsed Nd:
YAG laser. The cutting characteristics, as well as the changes in microstructure and …
YAG laser. The cutting characteristics, as well as the changes in microstructure and …