Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems: Recent submissions
Now showing items 141-160 of 219
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A Theoretical/Numerical Study on Ultrasound Wave Coupling From Structure to Remotely Bonded Fiber Bragg Grating Ultrasound Sensor
(The American Society of Mechanical Engineers (ASME), 2021)Recently published experimental works on remotely bonded fiber Bragg grating (FBG) ultrasound (US) sensors show that they display some unique characteristics that are not observed with directly bonded FBG sensors. These ... -
Vibration Response-Based Intelligent Non-Contact Fault Diagnosis of Bearings
(The American Society of Mechanical Engineers (ASME), 2021)Accelerometers, used as vibration pickups in machine health monitoring systems, need physical connection to the machine tool through cables, complicating physical systems. A non-contact laser based vibration sensor has ... -
Toward a Big Data-Based Approach: A Review on Degradation Models for Prognosis of Critical Infrastructure
(The American Society of Mechanical Engineers (ASME), 2020)Safety and reliability of large critical infrastructure such as long-span bridges, high-rise buildings, nuclear power plants, high-voltage transmission towers, rotating machinery, and so on, are important for a modern ... -
Thin-Plate Imaging Inspection Using Scattered Waves Cross-Correlation Algorithm and Non-Contact Air-Coupled Transducer
(The American Society of Mechanical Engineers (ASME), 2020)This paper presents a non-contact air-coupled Lamb wave imaging technique using a two-dimensional (2D) cross-correlation method that not only detects the damage but also precisely quantifies for orientations and sizes. The ... -
Estimates of Probability of Detection and Sizing of Flaws in Ultrasonic Time of Flight Diffraction Inspections for Complex Geometry Components With Grooved Surfaces
(The American Society of Mechanical Engineers (ASME), 2020)In a reliability assessment of ultrasonic time-of-flight diffraction (TOFD) inspection, probability of detection (POD) and sizing (POS) curves are developed. Experiments are performed on a complex geometry specimen with ... -
Dynamic Analysis of Low-Pressure Steam Turbine Last Stage Fir-Tree Root Blade
(The American Society of Mechanical Engineers (ASME), 2020)In the present study, the dynamic behavior of the last stage low-pressure steam turbine blade with fir-tree root at different conditions of blade root flank faces and their interfaces with rotor groove have been analyzed. ... -
A Defects Localization Algorithm Based on the Lamb Wave of Plate Structure
(The American Society of Mechanical Engineers (ASME), 2020)Defect imaging algorithms play an important role in Lamb waves based researches of nondestructive testing (NDT) and structural health monitoring (SHM). In classical algorithms, the location or distribution of defects is ... -
Influence of Data Acquisition Algorithms on X-Ray Phase Contrast Imaging Computed Tomography
(The American Society of Mechanical Engineers (ASME), 2020)X-ray phase contrast imaging (XPCI) is a nondestructive evaluation technique that enables high-contrast detection of low-attenuation materials that are largely transparent in traditional radiography. Extending a grating-based ... -
Ultrasound Array Probe: Signal Processing in Case of Structural Noise
(The American Society of Mechanical Engineers (ASME), 2020)This work focuses on non-destructive examinations using array probe ultrasonic waves on complex materials generating a high structural noise on the examined area. During an ultrasonic examination, multiple scattering of ... -
Ultrasound Array Probe: Signal Processing in Case of Structural Noise
(The American Society of Mechanical Engineers (ASME), 2020)This work focuses on non-destructive examinations using array probe ultrasonic waves on complex materials generating a high structural noise on the examined area. During an ultrasonic examination, multiple scattering of ... -
Improved TOPSIS Model and Its Application in Online Structural Health Monitoring System for Portal Crane
(The American Society of Mechanical Engineers (ASME), 2020)Fracture of the metal structure is one of the foremost causes of accidents for portal cranes, and such an accident can be catastrophic, resulting in great loss of life and large expenses. Assessing the structural health ... -
Weibull and Bootstrap-Based Data-Analytics Framework for Fatigue Life Prognosis of the Pressurized Water Nuclear Reactor Component Under Harsh Reactor Coolant Environment
(The American Society of Mechanical Engineers (ASME), 2020)In general, the fatigue life of a safety critical pressure component is estimated using best-fit fatigue life curves (S-N curves). These curves are estimated based on underlying in-air condition fatigue test data. The ... -
Effect of Time-Dependent Strength Recovery of Composite Materials: Quantification Through Higher Order Ultrasonic Non-Linearity Using Lamb Waves
(The American Society of Mechanical Engineers (ASME), 2020)The understanding of strength recovery behavior under a dynamic loading environment provides a guidance for optimizing the design of composite structures for in-service applications. Although established for metals, the ... -
Simultaneous Extraction of Multiple Parameters From a Transmit–Receive Eddy Current Probe Above a Layered Planar Conductive Structure
(The American Society of Mechanical Engineers (ASME), 2020)A validated analytical model of a transmit–receive coil pair situated above two parallel plates, separated by an air gap, was used as the basis for an inversion algorithm (IA) to extract probe liftoff, second layer plate ... -
Very Low-Intensity Throughput X-Ray Computed Tomography of a Cast FeMnAl Steel Alloy
(The American Society of Mechanical Engineers (ASME), 2020)The X-ray computed tomography (XCT) technique is a widely applicable and powerful non-destructive inspection modality for evaluation and analysis of geometrical and physical characteristics of materials, especially internal ... -
Influence of Data Acquisition Algorithms on X-Ray Phase Contrast Imaging Computed Tomography
(The American Society of Mechanical Engineers (ASME), 2020)X-ray phase contrast imaging (XPCI) is a nondestructive evaluation technique that enables high-contrast detection of low-attenuation materials that are largely transparent in traditional radiography. Extending a grating-based ... -
Non-Contact Measurement of Residual Magnetization Caused by Plastic Deformation of Steel
(The American Society of Mechanical Engineers (ASME), 2020)Pipelines are the primary means of land transportation of oil and gas globally, and pipeline integrity is, therefore, of high importance. Failures in pipelines may occur due to internal and external stresses that produce ... -
In-Flight Detection of Vibration Anomalies in Unmanned Aerial Vehicles
(The American Society of Mechanical Engineers (ASME), 2020)Owing to the frequency of occurrence and high risk associated with bearings, identification, and characterization of bearing faults in motors via nondestructive evaluation (NDE) methods have been studied extensively, among ... -
X-Ray Microtomography System Applied in Characterization of Lightweight Concrete Structures
(The American Society of Mechanical Engineers (ASME), 2020)Microtomography is a powerful non-destructive method that allows the visualization of the internal structure of the object and makes possible to generate internal graphic models of the object. Concrete is a mixture widely ... -
Pulsed Eddy Current Response to General Corrosion in Concrete Rebar
(The American Society of Mechanical Engineers (ASME), 2020)Corrosion of carbon steel rebar in concrete structures, such as highway bridges and buildings, has a direct impact on their structural integrity since the rebar provides the tensile strength within the structure. Rebar ...