OOIR: Observatory of International Research

Papers

(The H4-Index of NDT & E International is 28. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-06-01 to 2025-06-01.)

Article	Citations
Characterisation of composite skin–stiffener bonding interface and fine-defect evaluation using mono-pulse ultrasonic detection	100
Exploring high-frequency eddy-current testing for sub-aperture defect characterisation using parametric-manifold mapping	95
Nondestructive dielectric measurement method for orientation distribution of liquid crystal polymers film	53
Non-contact near-field cavity perturbation method for quantitative dielectric measurement and metallic defect inspection	51
Detection of defects in girth welded joints of tubular structure by circumferential feature-guided waves	47
Analyzing the permeability distribution of multilayered specimens using pulsed eddy-current testing with multi-scale 1D-ResNet	45
Minimum transmission events for fast ultrasonic TFM imaging: A comparative study	44
Multi-energy X-ray images fusion method based on fuzzy entropy and sparse representation for complex castings	44
Improved detection of nonlinear waves in thin solid materials using a pulse-echo method based on nonlinear modeling of wave fields	43
Instrumentation and testing for road condition monitoring – A state-of-the-art review	42
A thickness reduction testing method for ferromagnetic materials based on variable intensity DC magnetization	40
Detection of indentation damage in carbon fiber/epoxy composites via EIT during the application of bending loads	38
Autonomous dynamic line-scan continuous-wave terahertz non-destructive inspection system combined with unsupervised exposure fusion	37
Test on fouling detection of ballast based on infrared thermography	36
Ensemble learning model for concrete delamination depth detection using impact echo	36
The design of high temperature EMATs to avoid irreversible magnetic losses	35
Noncontact visualization of multiscale defects in CFRP composites using eddy current testing with T-R probe	35
Ultrasonic defect characterization using Bayesian inversion and scattering matrix denoising neural networks	34
Anti-interference damage localization in composite overwrapped pressure vessels using machine learning and ultrasonic guided waves	33
Nonlinear/linear resonance ultrasound spectroscopy (N/RUS) of additively manufactured 316L stainless steel samples using in-contact and non-contact excitation	32
Guided wave monitoring of Nano-Fe3O4 reinforced thermoplastic adhesive in manufacturing of reversible composite lap-joints using targeted electromagnetic heating	31
Quantitative study on the propagation characteristics of MFL signals of outer surface defects in long-distance oil and gas pipelines	31
Inverse reconstruction of fibre orientation in multilayer CFRP using forward FEM and eddy current pulsed thermography	31
Simulated delaminations in thermal NDT standards and the concept of thermally equivalent defects	29
Local wavenumber imaging with low-sampled wavefield for delamination characterization in composite plate	29

In situ measurement of ultrasonic behavior during lap spot welding with laser ultrasonic method	28
One-dimensional photothermal characterization of subsurface interfaces utilizing the virtual wave concept	28
Study on non-contact measurement method of resistance spot weld nugget diameter using laser ultrasonic technique	28