Search
Search Results
-
Micro-Sized Pinhole Inspection with Segmented Time Reversal and High-Order Modes Cluster Lamb Waves Based on EMATs
Pinhole corrosion is difficult to discover through conventional ultrasonic guided waves inspection, particularly for micro-sized pinholes less than 1...
-
Optimal Design of Spiral Coil EMATs for Improving Their Pulse Compression Effect
When chirp pulse compression technology (PCT) is applied in Electromagnetic Acoustic Transducers (EMATs), the frequency response characteristic of...
-
Visually Encoded Contact Inspection System for EMATs
Contact inspections are commonly performed in industry to check for defects and degradation, such as corrosion or cracks. Non-destructive evaluation...
-
Circumferential Shear Horizontal Guided Wave Crack Inspection of 3PE-Coated Pipes Based on a CNN
Circumferential shear horizontal (CSH) guided waves propagate fully parallel to the surface of a pipe and are thus ideal for axial crack detection....
-
Medium Range Guided Wave Inspection of the Triple Point in Lined Pipes by EMATs
The advent of mechanically lined pipes represented a new turning point for the oil industry in terms of performance and cost for fluids...
-
Guided Wave Based-Occupancy Grid Robotic Map**
Asset inspection of large structures such as storage tanks in the oil, gas and petrochemical industry is challenging, either requiring...
-
Self-Propelled Ultrasonic Rail Testing (SPURT) Car Using Ultrasonic Technique to Monitor Railway Track Defects: An Innovation Model for Indian Railway
To enhance safety measures, the Indian Railways is embracing an advanced approach to detect track defects early and prevent derailments. This new...
-
Modeling Magnetostrictive Transducers for SH Guided Wave Generation and Reception for Structural Health Monitoring
Shear horizontal (SH) guided waves are great options for nondestructive testing and structural health monitoring (SHM) applications in plates due to...
-
Numerical Investigation of Application of Unidirectional Generation to Improve Signal Interpretation of Circumferential Guided Waves in Pipes for Defect Detection
Monitoring and inspection of pipes are paramount in several industry sectors. A convenient approach employs shear horizontal ultrasonic guided waves...
-
Lamb Wave Actuation Techniques for SHM System-A Review
Lamb waves-based structural health monitoring (SHM) system has gained significant consideration due to its excellent performance in both precision...
-
Multiple Wavemode Scanning for Near and Far-Side Defect Characterisation
The combination of ultrasonic inspections using different wavemodes can give more information than is available with single mode inspection. In this...
-
Detection of Interfacial Weakness (Kissing Bonds) in Honeycomb Sandwich Structure Using Guided Waves
Honeycomb sandwich structure is a regular and periodically repeated array of hexagonal cells used in automobile, aviation, marine, and construction...
-
Analysis of Coil-Dependent Receiving Frequency Response of PPM EMAT Receiver Using Equivalent Model
Period-permanent-magnet (PPM) electromagnetic acoustic transducer (EMAT) has been widely used in shear horizontal (SH) ultrasonic guided wave testing...
-
Signal Enhancement in Surface Crack Detection with Gas-Coupled Laser Acoustic Detection
Ultrasonic signal enhancement resulting from constructive interference between direct Rayleigh waves and same waves reflected by a surface defect is...
-
Coded Excitation for Low-Power Operation in Guided Ultrasonic Wave Non-destructive Evaluation
Ultrasonic non-Destructive evaluation (NDE) techniques are widely used to ensure the integrity and strength of structures. Guided ultrasonic waves...
-
Recent advances in wheel-rail RCF and wear testing
The wear and rolling contact fatigue (RCF) testing approaches for wheels and rails have been reviewed and evaluated in this study. The study points...
-
Inspection of Friction Stir Welded Joint Using EMAT Generated Fundamental Shear Horizontal Guided Wave Mode (SH0)
Friction stir welding (FSW) is unique in terms of the mechanical properties and metallurgical structure of the joint. Like any other weld joints, FSW...
-
EMAT-Phased Array Inspection of Thick Austenitic Stainless Steel and Dissimilar Metal Welds
Non-destructive testing (NDT) of austenitic stainless steel and dissimilar metal welds is important for inspection of main vessel in prototype fast...
-
Detection of Inner Wall Circumferential Cracks in the Special-Shaped Pipes Using Surface Waves
This paper presents a detection method for the inner wall circumferential cracks in the special-shaped pipes with small diameter-depth ratio using...
-
Guided Wave Electromagnetic Ultrasonic Scattering Imaging
At present, there are few studies on the defect imaging using guided wave scattering method. Most of the defect detection based on guided wave...