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Hamed Raoofi, Asa Sabahnia, Daniel Barbeau and Ali Motamedi
Traditional methods of supervision in the construction industry are time-consuming and costly, requiring significant investments in skilled labor. However, with advancements in artificial intelligence, computer vision, and deep learning, these methods ca...
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Pavel Pereslavtsev, Christian Bachmann, Joelle Elbez-Uzan and Jin Hun Park
There is widespread use of nuclear radiation for medical imagery and treatments. Worldwide, almost 40 million treatments are performed per year. There are also applications of radiation sources in other commercial fields, e.g., for weld inspection or ste...
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Qingli Ding, Hrishikesh Das, Piyush Upadhyay, Bryer C. Sousa, Kubra Karayagiz, Adam Powell and Brajendra Mishra
Friction stir welded (FSW) aluminum?magnesium lightweight vehicle joints have gained significant interest due to their high strength-to-weight ratio. In this work, the corrosion resistance of this material is analyzed through electrochemical tests, which...
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James Marcus Griffin, Steven Jones, Bama Perumal and Carl Perrin
Welding inspection is a critical process that can be severely time-consuming, resulting in productivity delays, especially when destructive or invasive processes are required. This paper defines the novel approach to investigate the physical correlation ...
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Norimitsu Okuyama, Kazufumi Nomura, Tomokazu Sano, Keiji Kadota, Seiya Nitta, Tetsuo Era and Satoru Asai
Blowholes caused by vaporization of the galvanized layer are a problem with galvanized steel sheets, which use lap joint welding. The laser ultrasonic method is the possible solution to realize the desirable 100% inspection instead of the conventional sa...
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Chaolei Chen, Huaishu Hou, Mingxu Su, Shiwei Zhang, Chaofei Jiao and Zhifan Zhao
To conduct the ultrasonic weld inspection of polyethylene pipes, it is necessary to use low-frequency transducers due to the high sound energy attenuation of polyethylene. However, one of the challenges in this process is that the blind zone of the ultra...
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Frederik Maiwald, Clemens Roider, Michael Schmidt and Stefan Hierl
Optical coherence tomography enables the three-dimensional inspection of internal structures like the weld seam in polymer parts and has excellent prerequisites for process monitoring in the optical and medical industries.
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Luigi Nele, Giulio Mattera and Mario Vozza
Welding is one of the most complex industrial processes because it is challenging to model, control, and inspect. In particular, the quality inspection process is critical because it is a complex and time-consuming activity. This research aims to propose...
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Mohammad Ebrahim Bajgholi, Gilles Rousseau, Martin Viens and Denis Thibault
This paper presents the results of a project aimed at evaluating the performance of ultrasonic techniques for detecting flaws in Francis turbine runners. This work is the first phase of a more ambitious program aimed at improving the reliability of inspe...
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Fabian Krieg, Jan Kirchhof, Eduardo Pérez, Thomas Schwender, Florian Römer and Ahmad Osman
In ultrasonic non-destructive testing, array and matrix transducers are being employed for applications that require in-field steerability or which benefit from a higher number of insonification angles. Having many transmit channels, on the other hand, i...
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