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2021

Vithanage, Randika K. W. and Mohseni, Ehsan and Qiu, Zhen and MacLeod, Charles and Javadi, Yashar and Sweeney, Nina and Pierce, Gareth and Gachagan, Anthony (2021) A phased array ultrasound roller probe for automated in-process/interpass inspection of multipass welds. IEEE Transactions on Industrial Electronics, 68 (12). pp. 12781-12790. ISSN 0278-0046

Mohseni, Ehsan and Javadi, Yashar and Sweeney, Nina E. and Lines, David and MacLeod, Charles N. and Vithanage, Randika K.W. and Qiu, Zhen and Vasilev, Momchil and Mineo, Carmelo and Lukacs, Peter and Foster, Euan and Pierce, S. Gareth and Gachagan, Anthony (2021) Model-assisted ultrasonic calibration using intentionally embedded defects for in-process weld inspection. Materials and Design, 198. 109330. ISSN 0261-3069

2020

Moldovan, Alexandru C. and Qiu, Zhen and Lines, David and Gachagan, Anthony and Cochran, Sandy; (2020) Enhanced modelling of a 1-D phased ultrasonic array for intracorporeal sonoporation. In: 2020 IEEE International Ultrasonics Symposium (IUS). IEEE International Ultrasonics Symposium . IEEE, Piscataway, NJ.. ISBN 9781728154497

Javadi, Yashar and Sweeney, Nina E. and Mohseni, Ehsan and MacLeod, Charles N. and Lines, David and Vasilev, Momchil and Qiu, Zhen and Vithanage, Randika K.W. and Mineo, Carmelo and Stratoudaki, Theodosia and Pierce, Stephen G. and Gachagan, Anthony (2020) In-process calibration of a non-destructive testing system used for in-process inspection of multi-pass welding. Materials and Design, 195. 108981. ISSN 0261-3069

Mohseni, Ehsan and Vithanage, Randika and Qiu, Zhen and Javadi, Yashar and Vasilev, Momchil and MacLeod, Charles N. and Lines, David and Zimermann, Rastislav and Pierce, Stephen G. and Gachagan, Anthony and Ding, Jialuo and Williams, Stewart (2020) Laser-assisted surface adaptive ultrasound (SAUL) inspection of samples with complex surface profiles using a phased array roller-probe. In: NDT2020: 59th Annual British Conference on Non-Destructive Testing, 2020-09-15 - 2020-09-17, Park Inn by Radisson Hotel.

Lines, David and Javadi, Yashar and Mohseni, Ehsan and Vasilev, Momchil and MacLeod, Charles Norman and Mineo, Carmelo and Wathavana Vithanage, Randika Kosala and Qiu, Zhen and Zimermann, Rastislav and Loukas, Charalampos and Foster, Euan and Pierce, Gareth and Gachagan, Anthony (2020) A flexible robotic cell for in-process inspection of multi-pass welds. Insight: The Journal of the British Institute of Non-Destructive Testing, 62 (9). pp. 526-532. ISSN 1354-2575

Mohseni, Ehsan and Wathavana Vithanage, Randika Kosala and Qiu, Zhen and MacLeod, Charles Norman and Javadi, Yashar and Lines, David and Zimermann, Rastislav and Pierce, Gareth and Gachagan, Anthony and Ding, Jialuo and Williams, Stewart (2020) A high temperature phased array ultrasonic roller probe designed for dry-coupled in-process inspection of wire + arc additive manufacturing. In: 47th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2020-08-25 - 2020-08-26, Virtual event.

Mohseni, Ehsan and MacLeod, Charles and Javadi, Yashar and Vithanage, Randika K. W. and Qiu, Zhen and Lines, David and Foster, Euan and Lukacs, Peter and Vasilev, Momchil and Zimermann, Rastislav and Pierce, S. Gareth and Gachagan, Anthony (2020) A model-based study of transmit-receive longitudinal arrays for inspection of subsurface defects. Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems, 3 (3). 031102. ISSN 2572-3901

Javadi, Yashar and Sweeney, Nina E. and Mohseni, Ehsan and MacLeod, Charles N. and Lines, David and Vasilev, Momchil and Qiu, Zhen and Mineo, Carmelo and Pierce, Stephen G. and Gachagan, Anthony (2020) Investigating the effect of residual stress on hydrogen cracking in multi-pass robotic welding through process compatible non-destructive testing. Journal of Manufacturing Processes. ISSN 1526-6125

2019

Mohseni, Ehsan and Javadi, Yashar and Lines, David and Wathavana Vithanage, Randika Kosala and Foster, Euan and Qiu, Zhen and Zimermann, Rastislav and MacLeod, Charles Norman and Pierce, Stephen and Gachagan, Anthony and Marinelli, Gianrocco and Ding, Jialuo and Williams, Stewart (2019) Ultrasonic phased array inspection of wire plus arc additive manufactured (WAAM) titanium samples. In: 58th Annual British Conference on Non-Destructive Testing, 2019-11-03 - 2019-11-05, Telford, UK.

Lines, David and Mohseni, Ehsan and Javadi, Yashar and Mineo, Carmelo and Wathavana Vithanage, Randika Kosala and Qiu, Zhen and MacLeod, Charles Norman and Pierce, Gareth and Gachagan, Anthony (2019) Using coded excitation to maintain signal to noise for FMC+TFM on attenuating materials. In: 2019 IEEE International Ultrasonics Symposium, 2019-10-06 - 2019-10-09, SECC.

Lines, David I and Javadi, Yashar and Mohseni, Ehsan and Vasilev, Momchil and MacLeod, Charles N and Vithanage, Randika W and Qiu, Zhen and Zimermann, Rastislav and Loukas, Charalampos and Foster, Euan and Pierce, S Gareth and Gachagan, Anthony (2019) Flexible robotic cell for in-process inspection of multi-pass welds. In: NDT2019, 2019-09-02 - 2019-09-05, The International Centre.

Javadi, Yashar and MacLeod, Charles and Lines, David and Vasilev, Momchil and Mohseni, Ehsan and Foster, Euan and Qiu, Zhen and Vithanage, Randika and Zimermann, Rastislav and Loukas, Charalampos and Pierce, Gareth and Gachagan, Anthony (2019) In-process inspection of multi-pass robotic welding. In: 46th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2019-07-14 - 2019-07-18, Portland.

Mohseni, Ehsan and MacLeod, Charles and Javadi, Yashar and Qiu, Zhen and Vithanage, Randika and Lines, David and Zimermann, Rastislav and Pierce, Gareth and Gachagan, Anthony (2019) A model-based study of transmit-receive longitudinal arrays for inspection of subsurface defects. In: 46th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2019-07-14 - 2019-07-18, Portland.

2018

Fang, Haoyu and Qiu, Zhen and Mulholland, Anthony J. and O'Leary, Richard L. and Gachagan, Anthony (2018) Broadband 1-3 piezoelectric composite transducer design using Sierpinski Gasket fractal geometry. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 65 (12). pp. 2429-2439. ISSN 0885-3010

Qiu, Zhen and Fang, Haoyu and O'Leary, Richard and Gachagan, Anthony and Moldovan, Alexandru; (2018) Broadband piezocrystal transducer array for non-destructive evaluation imaging applications. In: Proceeding 2018 IEEE International Ultrasonics Symposium. IEEE, JPN. ISBN 978-1-5386-3425-7

Fang, H. and Qiu, Z. and Mulholland, A. J. and O'Leary, R. L. and Gachagan, A. (2018) Linear ultrasonic array design using cantor set fractal geometry. In: 2018 International Workshop on Acoustic Transduction Materials and Devices, 2018-05-08 - 2018-05-10.

2017

Fang, H. and Qiu, Z. and O'Leary, R. L. and Gachagan, A. and Mulholland, A. J.; (2017) Linear ultrasonic array incorporating a Cantor Set fractal element configuration. In: IEEE International Ultrasonics Symposium (IUS), 2017. IEEE, Piscataway, N.J.. ISBN 9781538633847

2016

Qiu, Zhen and O'Leary, Richard and Gachagan, Anthony and Dobson, Jeff; (2016) Design of a low profile array transducer in d15 mode for high angled shear wave generation. In: Ultrasonics Symposium (IUS), 2016 IEEE International. IEEE, FRA.

Fang, Haoyu and Qiu, Zhen and O'Leary, Richard and Gachagan, Anthony and Mulholland, Anthony; (2016) Improving the operational bandwidth of a 1-3 piezoelectric composite transducer using Sierpinski Gasket fractal geometry. In: Ultrasonics Symposium (IUS), 2016 IEEE International. IEEE, FRA.

Qiu, Zhen and Qiu, Yongqiang and Demore, Christine E.M. and Cochran, Sandy (2016) Implementation of a PMN-PT piezocrystal-based focused array with geodesic faceted structure. Ultrasonics, 69. pp. 137-143. ISSN 0041-624X

Jiang, Yun and Qiu, Zhen and McPhillips, Rachael and Meggs, Carl and Mahboob, Syed Osama and Wang, Han and Duncan, Robyn and Rodriguez Sanmartin, Daniel and Zhang, Ye and Schiavone, Giuseppe and Eisma, Roos and Desmulliez, Marc P.Y and Eljamel, Sam and Cochran, Sandy and Button, Tim W. and Demore, Christine E.M (2016) Dual oientation 16-MHz single-element ultrasound needle transducers for image-guided neurosurgical intervention. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 63 (2). pp. 233-244. ISSN 0885-3010

Schiavone, Giuseppe and Jones, Thomas and Price, Dennis and McPhillips, Rachael and Jiang, Yun and Qiu, Zhen and Meggs, Carl and Mahboob, syed O. and Eljamel, Sam and Button, Tim W. and Demore, christine E.M and Cochran, Sandy and Desmulliez, Marc P.Y (2016) A highly compact packaging concept for ultrasound transducer arrays embedded in neurosurgical needles’. Microsystem Technologies. pp. 1-11. ISSN 0946-7076

2015

Liao, Xiaochun and Qiu, Zhen and Jiang, Tingyi and Sadiq, Muhammad R and Huang, Zhihong and Demore, Christine E .M. and Cochran, Sandy (2015) Functional piezocrystal characterisation under varying conditions. Materials, 8 (12). pp. 8304-8326. ISSN 1996-1944

2014

Jiang, Yun and Meggs, Carl and Button, Tim and Schiavone, Giuseppe and Desmulliez, Marc P.Y and Qiu, Zhen and Mahboob, Syed and McPhillips, Rachel and Démoré, Christine E.M and Casey, Graeme and Eljamel, Sam and Cochran, Sandy and Sanmartin, Daniel Rodriguez; (2014) 15 MHz single element ultrasound needle transducers for neurosurgical applications. In: 2014 IEEE International Ultrasonics Symposium. IEEE, GBR, pp. 687-690. ISBN 9781479970490

2012

Qiu, Zhen and Habeshaw, Roderick and Fortine, Julien and Huang, Zhihong and Démoré, Christine and Cochran, Sandy; Meairs, Stephen, ed. (2012) New piezocrystal material in the development of a 96-element array transducer for MR-guided focused ultrasound surgery. In: 12th International Symposium on Therapeutic Ultrasound. AIP Conference Proceedings . American Institute of Physics, DEU, pp. 282-287. ISBN 9780735411203