Zobrazeno 1 - 10
of 231
pro vyhledávání: '"Anthony Gachagan"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Ultrasonic imaging, using ultrasonic phased arrays, has an enormous impact in science, medicine and society and is a widely used modality in many application fields. The maximum amount of information which can be captured by an array is prov
Externí odkaz:
https://doaj.org/article/485f4fc2b86f426d88b4eca350a89569
Autor:
Brandon Mills, Yashar Javadi, Farhad Abad, Saeid Lotfian, Charles MacLeod, Ali Mehmanparast, Gareth Pierce, Anthony Gachagan
Publikováno v:
Heliyon, Vol 10, Iss 14, Pp e34579- (2024)
This study explores the inspection of bolted connections in wind turbines, specifically focusing on the application of Phased Array Ultrasonic Testing (PAUT). The research comprises four sections: Acoustoelastic Constant calibration, high tension inv
Externí odkaz:
https://doaj.org/article/9672e62aea6847c2a1e60b30f1fd4ee3
Autor:
Yashar Javadi, Brandon Mills, Charles MacLeod, David Lines, Farhad Abad, Saeid Lotfian, Ali Mehmanparast, Gareth Pierce, Feargal Brennan, Anthony Gachagan, Carmelo Mineo
Publikováno v:
Sensors, Vol 24, Iss 5, p 1421 (2024)
This paper presents a novel approach for preload measurement of bolted connections, specifically tailored for offshore wind applications. The proposed method combines robotics, Phased Array Ultrasonic Testing (PAUT), nonlinear acoustoelasticity, and
Externí odkaz:
https://doaj.org/article/65d7b8eb68e94c2dbb6f474e8fd28b01
Autor:
Names: Charalampos Loukas, Veronica Warner, Richard Jones, Charles N. MacLeod, Momchil Vasilev, Ehsan Mohseni, Gordon Dobie, Jim Sibson, Stephen G. Pierce, Anthony Gachagan
Publikováno v:
Materials & Design, Vol 224, Iss , Pp 111424- (2022)
High-integrity welds found in safety–critical industries require flaw-free joints, but automation is challenging due to low-volume, often-unique nature of the work, alongside high-uncertainty part-localisation. As such, robotic welding still requir
Externí odkaz:
https://doaj.org/article/7ff1c692cf614a2a921ff641a22206dc
Autor:
Morteza Tabatabaeipour, Konstantinos Tzaferis, Ross McMillan, William Jackson, Gordon Dobie, Rachel S. Edwards, Oksana Trushkevych, Anthony Gachagan
Publikováno v:
Materials & Design, Vol 221, Iss , Pp 110990- (2022)
Ultrasonic Guided Waves (UGW) offer the possibility of inspecting a strip across a structure rather than just the point under a traditional bulk wave transducer. This can increase the rate of inspection and enable inspection under obstructions. This
Externí odkaz:
https://doaj.org/article/ffaad75fc556449cbcb2c73591ed3069
Publikováno v:
Cleaner Engineering and Technology, Vol 4, Iss , Pp 100199- (2021)
Remanufacturing is a process of restoring end-of-life (Eol) products to “as new” condition with a matching warranty. It offers significant economic benefits to remanufacturers as well as providing enormous environmental and social benefits. Howev
Externí odkaz:
https://doaj.org/article/ceb881a37234401685fff9d3d436bd2b
Autor:
Euan Alexander Foster, Gary Bolton, Robert Bernard, Martin McInnes, Shaun McKnight, Ewan Nicolson, Charalampos Loukas, Momchil Vasilev, Dave Lines, Ehsan Mohseni, Anthony Gachagan, Gareth Pierce, Charles N. Macleod
Publikováno v:
Sensors, Vol 22, Iss 16, p 6036 (2022)
Inspection of components with surface discontinuities is an area that volumetric Non-Destructive Testing (NDT) methods, such as ultrasonic and radiographic, struggle in detection and characterisation. This coupled with the industrial desire to detect
Externí odkaz:
https://doaj.org/article/6ab0631f88c3494e9d3792734f11b3a9
Autor:
Ehsan Mohseni, Yashar Javadi, Nina E. Sweeney, David Lines, Charles N. MacLeod, Randika K.W. Vithanage, Zhen Qiu, Momchil Vasilev, Carmelo Mineo, Peter Lukacs, Euan Foster, S. Gareth Pierce, Anthony Gachagan
Publikováno v:
Materials & Design, Vol 198, Iss , Pp 109330- (2021)
Automated in-process Non-Destructive Testing (NDT) systems are rapidly gaining traction within the manufacturing industry as they reduce manufacturing time and costs. When considering calibration and verification of such systems, creating defects of
Externí odkaz:
https://doaj.org/article/f183200c31234427a2e40eaf05d90c6a
Publikováno v:
Applied Sciences, Vol 12, Iss 10, p 5288 (2022)
Robotised Non Destructive Testing (NDT) presents multifaceted advantages, saving time and reducing repetitive manual workloads for highly skilled Ultrasonic Testing (UT) operators. Due to the requisite accuracy and reliability of the field, robotic N
Externí odkaz:
https://doaj.org/article/f176da3d6855466ca448778d986b1373
Autor:
Yashar Javadi, Nina E. Sweeney, Ehsan Mohseni, Charles N. MacLeod, David Lines, Momchil Vasilev, Zhen Qiu, Randika K.W. Vithanage, Carmelo Mineo, Theodosia Stratoudaki, Stephen G. Pierce, Anthony Gachagan
Publikováno v:
Materials & Design, Vol 195, Iss , Pp 108981- (2020)
In multi-pass welding, there is increasing motivation to move towards in-process defect detection to enable real-time repair; thus avoiding deposition of more layers over a defective weld pass. All defect detection techniques require a consistent and
Externí odkaz:
https://doaj.org/article/0021c7c55e264539a34abcf973efe39b