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Keywords: imaging
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Journal Articles
Accepted Manuscript
Article Type: Research Papers
ASME J Nondestructive Evaluation.
Paper No: NDE-20-1080
Published Online: April 7, 2021
... utilized in transmission and the same aperture is used for the reception in Plane Wave Imaging (PWI). A new methodology called Angle Beam Virtual Source FMC-TFM (ABVSFMC-TFM) is proposed to inspect thick attenuating materials such as nickel base alloys. The ABVSFMC method leads to improved Signal to Noise...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. August 2021, 4(3): 031001.
Paper No: NDE-20-1058
Published Online: February 3, 2021
... sparse grid of piezoelectric transducers for exciting and sensing GWs that under certain conditions interact with damage while propagating. In recent years, various defect imaging algorithms have been proposed for processing GWs signals and, particularly, for computing an image representing the integrity...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. November 2020, 3(4): 041004.
Paper No: NDE-19-1065
Published Online: October 15, 2020
...Collin J. C. Epstein; Ryan N. Goodner; R. Derek West; Kyle R. Thompson; Amber L. Dagel 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...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. May 2021, 4(2): 021004.
Paper No: NDE-20-1023
Published Online: October 14, 2020
...Wenfeng Xiao; Lingyu Yu 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 air-coupled transducers (ACT) is used together with...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. November 2020, 3(4): 041002.
Paper No: NDE-19-1061
Published Online: August 28, 2020
... structures internal structure imaging Concrete is a composite material that consists essentially of a binding medium within which are embedded particles or fragments of aggregate. Aggregates are a granular material, such as sand, gravel, crushed stone, used with a cementing medium to form hydraulic...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. February 2021, 4(1): 011004.
Paper No: NDE-20-1011
Published Online: June 25, 2020
... an excellent solution for field test measurement and imaging of material damage. This study explores the use of NLU metrics based on ratios of harmonic amplitudes and frequencies to map the buildup of damage precursors, such as crystal dislocations, under cyclic loading within the microstructure of...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. February 2021, 4(1): 011003.
Paper No: NDE-19-1084
Published Online: June 8, 2020
... reflections from interfaces are used as inputs for a newly developed imaging algorithm. The proposed method has the potential to be a reference-free and fully automated method. Email: jaykumar.shah1@postgrad.curtin.edu.au Email: Abhijit.mukherjee@curtin.edu.au 13 11 2019 27 04 2020 27...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. November 2020, 3(4): 041103.
Paper No: NDE-19-1064
Published Online: May 27, 2020
... mitigate the very low-intensity throughput and achieve acceptable scan image results will be discussed. Image processing (IP) methods used to segment porosity features in the FeMnAl blocks will also be discussed. Email: william.h.green1.civ@mail.mil Email: bryan.a.cheeseman.civ@mail.mil Email...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. August 2020, 3(3): 031101.
Paper No: NDE-19-1049
Published Online: April 8, 2020
... is important to assess how well the required inspection and measurement tasks can be performed. Furthermore, it can be very informative to quantify image quality (IQ) metrics that can provide insight into the IQ characteristics that lead to the resulting inspection or measurement task performance...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. August 2020, 3(3): 031106.
Paper No: NDE-19-1068
Published Online: April 8, 2020
... and imaging. The defect echo and grain noise are distinguished through analyzing the spatial location where the echo is originating from. This is achieved by estimation of the angle of arrival (AOA) of the returned echo and evaluation of the likelihood that the echo is reflected from the point where...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. February 2020, 3(1): 011002.
Paper No: NDE-19-1015
Published Online: October 15, 2019
... classification diagnostic feature extraction eddy current imaging materials testing mechanical engineering prognosis sensors ultrasonics Carbon fiber reinforced polymer (CFRP) composites are of extreme interest in the aerospace and automotive industries due to their light weight and high...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. February 2020, 3(1): 011001.
Paper No: NDE-18-1040
Published Online: October 15, 2019
... quantification of complex defect using topographic primal sketch (TPS) in magnetic flux leakage (MFL) testing. This method uses four excitation patterns so as to obtain MFL images from experiment; a mean image is then produced, assuming it has 80–90% the properties of all four images. A gradient manipulation is...
Journal Articles
Article Type: Research Papers
ASME J Nondestructive Evaluation. November 2019, 2(4): 040902.
Paper No: NDE-19-1023
Published Online: September 23, 2019
... optimal definition of the significant features to describe the deformation of the floating cover. The findings inform the selection of the unmanned aerial vehicle assisted photogrammetry parameters for optimal flight altitude, photogrammetry image overlap, and flight grid path for future integrity...
Journal Articles
Article Type: Research-Article
ASME J Nondestructive Evaluation. November 2018, 1(4): 041008.
Paper No: NDE-17-1102
Published Online: August 31, 2018
... August 31, 2018. Assoc. Editor: Yuris Dzenis. 27 10 2017 30 07 2018 Imaging Materials testing Ultrasonics Quantitative ultrasound (QUS) has become a widely studied field and has seen significant growth since its early beginnings. By and far, the most commonly used QUS...
Journal Articles
Article Type: Research-Article
ASME J Nondestructive Evaluation. August 2018, 1(3): 031007.
Paper No: NDE-17-1106
Published Online: May 14, 2018
.... Manuscript received November 7, 2017; final manuscript received April 13, 2018; published online May 14, 2018. Assoc. Editor: Andrei Zagrai. 07 11 2017 13 04 2018 Acoustic emission Diagnostic feature extraction Imaging Materials testing On-line diagnostic approaches Damage is...
Journal Articles
Article Type: Research-Article
ASME J Nondestructive Evaluation. August 2018, 1(3): 031003.
Paper No: NDE-17-1083
Published Online: May 3, 2018
... stiffened structures are examined to highlight the factors contributing to the sensitivity. Common damage indicator formulations for the use with imaging algorithms, such as the reconstruction algorithm for the probabilistic inspection of damage (RAPID), are applied on data from various damage cases...
Journal Articles
Article Type: Research-Article
ASME J Nondestructive Evaluation. May 2018, 1(2): 021009.
Paper No: NDE-17-1098
Published Online: February 23, 2018
...Shogo Nakao; Takahiro Hayashi Adhesive bonding, an effective joining technique for platelike structures in aircraft and automobiles, requires postbond inspection preferably with noncontact and single-sided access. The present study discusses the application of an imaging technique with a scanning...
Journal Articles
Article Type: Research-Article
ASME J Nondestructive Evaluation. May 2018, 1(2): 021003.
Paper No: NDE-17-1081
Published Online: December 20, 2017
... 30, 2017; final manuscript received September 13, 2017; published online December 20, 2017. Assoc. Editor: Wieslaw Ostachowicz. 30 08 2017 13 11 2017 Imaging Materials testing On-line diagnostic approaches Optics Thermal technique Composite materials are finding an...