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  • Anthony Gachagan
2020

A model-based study of transmit-receive longitudinal arrays for inspection of subsurface defects

Mohseni, E., MacLeod, C., Javadi, Y., Vithanage, R. K. W., Qiu, Z., Lines, D., Foster, E., Lukacs, P., Vasilev, M., Zimermann, R., Pierce, S. G. & Gachagan, A., 8 Apr 2020, In : Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems. 3, 3, 8 p., 031102 .

Research output: Contribution to journalArticle

Calibration of ultrasonic hardware for enhanced total focusing method imaging

Ingram, M., Gachagan, A., Nordon, A., Mullholland, A. J. & Hegarty, M., 31 Jul 2020, In : Insight: The Journal of the British Institute of Non-Destructive Testing. 62, 7, p. 408-415 8 p.

Research output: Contribution to journalArticle

Open Access
File
7 Downloads (Pure)
Open Access
File
3 Citations (Scopus)
14 Downloads (Pure)

Correction of B-scan distortion for optimum ultrasonic imaging of back walls with complex geometries

Davì, S., Mineo, C., MacLeod, C., Pierce, S. G., Gachagan, A., Paton, S., Munro, G., O'Brien-O'Reilly, J. & McCubbin, C., 1 Apr 2020, In : Insight: The Journal of the British Institute of Non-Destructive Testing. 62, 4, p. 184-191 8 p.

Research output: Contribution to journalArticle

Open Access
File
12 Downloads (Pure)

Design of 2D sparse array transducers for anomaly detection in medical phantoms

Li, X., Gachagan, A. & Murray, P., 17 Sep 2020, (Accepted/In press) In : Sensors.

Research output: Contribution to journalArticle

Determination of bubble size distribution using ultrasound array imaging

Ingram, M., Mineo, C., Gachagan, A., Mulholland, A. J., Nordon, A. & Hegarty, M., 1 Jul 2020, In : IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 67, 7, p. 1424-1437 14 p.

Research output: Contribution to journalArticle

Open Access
File
4 Downloads (Pure)

Determining position and orientation of a 3-wheel robot on a pipe using an accelerometer

McGregor, A., Dobie, G., Pearson, N. R., MacLeod, C. N. & Gachagan, A., 1 May 2020, In : IEEE Sensors Journal. 20, 9, p. 5061-5071 11 p., 8951135.

Research output: Contribution to journalArticle

Open Access
File
8 Downloads (Pure)
Open Access
File
1 Citation (Scopus)
10 Downloads (Pure)
File
Open Access
File
3 Downloads (Pure)
2 Citations (Scopus)
Open Access
File
5 Downloads (Pure)
2019

A feasability study on guided wave-based robotic mapping

Tabatabaeipour, M., Trushkevych, O., Dobie, G., Edwards, R. S., Dixon, S., MacLeod, C., Gachagan, A. & Pierce, S. G., 6 Oct 2019. 4 p.

Research output: Contribution to conferencePaper

Open Access
File
28 Downloads (Pure)
Open Access
File
3 Downloads (Pure)

Automated pressure tube defect analysis

Zacharis, P., West, G., Wallace, C., Dobie, G. & Gachagan, A., 9 May 2019. 1 p.

Research output: Contribution to conferencePoster

Open Access
File
23 Downloads (Pure)
Open Access
File
2 Downloads (Pure)

Enhanced phased array imaging through reverberating interfaces

Ingram, M., Gachagan, A., Mulholland, A. J., Nordon, A., Dziewierz, J. & Hegarty, M., 8 May 2019, 45th Annual Review Of Progress In Quantitative Nondestructive Evaluation. Melville, NY, Vol. 38. 8 p. (AIP Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
2 Downloads (Pure)
Open Access
File
12 Downloads (Pure)
Open Access
File
1 Citation (Scopus)
39 Downloads (Pure)
Open Access
File
3 Downloads (Pure)

Intentional weld defect process: from manufacturing by ‎‎robotic welding machine to inspection ‎using TFM phased ‎‎array ‎

Javadi, Y., Vasilev, M., MacLeod, C. N., Pierce, S. G., Su, R., Mineo, C., Dziewierz, J. & Gachagan, A., 8 May 2019, 45th Annual Review of Progress in Quantitative Nondestructive Evaluation. Laflamme, S., Holland, S. & Bond, L. J. (eds.). Melville, NY., 040011

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
3 Citations (Scopus)
31 Downloads (Pure)

Towards guided wave robotic NDT inspection: EMAT size matters

Trushkevych, O., Dixon, S., Tabatabaeipour, M., Dobie, G., Potter, M. D. G., MacLeod, C., Gachagan, A., Pierce, S. G. & Edwards, R. S., 6 Oct 2019. 4 p.

Research output: Contribution to conferencePaper

Open Access
File
11 Downloads (Pure)
Open Access
File
14 Citations (Scopus)
7 Downloads (Pure)
Open Access
File
6 Citations (Scopus)
34 Downloads (Pure)
Open Access
File
18 Downloads (Pure)
Open Access
File
14 Downloads (Pure)
2018

A transdimensional Bayesian approach to ultrasonic travel-time tomography for non-destructive testing

Tant, K. M. M., Galetti, E., Mulholland, A. J., Curtis, A. & Gachagan, A., 29 Jun 2018, In : Inverse Problems. 34, 9, 29 p., 095002.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
23 Downloads (Pure)
Open Access
File
3 Citations (Scopus)
27 Downloads (Pure)

Broadband piezocrystal transducer array for non-destructive evaluation imaging applications

Qiu, Z., Fang, H., O'Leary, R., Gachagan, A. & Moldovan, A., 20 Dec 2018, Proceeding 2018 IEEE International Ultrasonics Symposium. New York: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
9 Downloads (Pure)

Data-driven analysis of ultrasonic inspection data of pressure tubes

Zacharis, P., West, G., Dobie, G., Lardner, T. & Gachagan, A., 30 Jun 2018, In : Nuclear Technology. 202, p. 153-160 8 p.

Research output: Contribution to journalArticle

Open Access
File
34 Downloads (Pure)

Investigation of fundamental ultrasonic propagation characteristics in NDT of electron beam melting additive manufactured samples

Tofeldt, O., Pierce, SG., Smillie, G., Kerr, W., Flockhart, GMH., Macleod, CN., Blue, R., Gachagan, A., Stratoudaki, T., Andersson, J. & McMahon, D., 14 Feb 2018, (Accepted/In press). 4 p.

Research output: Contribution to conferencePaper

Open Access
File
41 Downloads (Pure)

Linear ultrasonic array design using cantor set fractal geometry

Fang, H., Qiu, Z., Mulholland, A. J., O'Leary, R. L. & Gachagan, A., 8 May 2018. 4 p.

Research output: Contribution to conferencePoster

Open Access
File
14 Downloads (Pure)

Multi-aperture beamforming for automated large structure inspection using ultrasonic phased arrays

Su, R., Mineo, C., MacLeod, C. N., Pierce, S. G. & Gachagan, A., 17 May 2018, (Accepted/In press) 45th Annual Review of Progress in Quantitative Nondestructive Evaluation. Melville, NY.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
6 Downloads (Pure)
Open Access
File
19 Downloads (Pure)

Ultrasonic array imaging through reverberating layers for industrial process analysis

Ingram, M., Gachagan, A., Mulholland, A. J., Nordon, A. & Hegarty, M., 20 Dec 2018, 2018 IEEE International Ultrasonics Symposium. Piscataway, NJ: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
1 Downloads (Pure)
2 Citations (Scopus)
1 Downloads (Pure)

Virtual prototyping of a catheter transducer array for internal hepatic sonoporation

Moldovan, A. C., Dziewierz, J., Gachagan, A., Cochran, S. & Lay, H., 20 Dec 2018, 2018 IEEE International Ultrasonics Symposium (IUS). Piscataway, NJ: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
12 Downloads (Pure)

Wavelet analysis of poorly-focused ultrasonic signal of pressure tube inspection in nuclear industry

Zhao, H., Gachagan, A., Dobie, G. & Lardner, T., 20 Apr 2018, 44th Annual Rview of Progress in Quantitative Nondestructive Evaluation. Chimenti, D. E. & Bond, L. J. (eds.). Melville, New York, Vol. 37. 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
20 Downloads (Pure)
2016

Advanced defect detection algorithm using clustering in ultrasonic NDE

Gongzhang, R. & Gachagan, A., 10 Feb 2016, In : AIP Conference Proceedings. 1706, 9 p., 180009.

Research output: Contribution to journalConference Contribution

Open Access
File
1 Citation (Scopus)
43 Downloads (Pure)

Airborne broad-beam emitter from a capacitive transducer and a cylindrical structure

Guarato, F., Barduchi de Lima, G., Windmill, J. F. C. & Gachagan, A., 3 Nov 2016, 2016 IEEE International Ultrasonics Symposium (IUS). Piscataway: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
100 Downloads (Pure)

Applying hyperspectral imaging to continuous processing of pharmaceuticals

Dziewierz, J., McGinty, J., Macfhionnghaile, P., Svoboda, V., Sefcik, J., Gachagan, A., Nordon, A., Marshall, S. & Cleary, A., 4 Feb 2016. 1 p.

Research output: Contribution to conferencePoster

Open Access
File
22 Downloads (Pure)

Design of a low profile array transducer in d15 mode for high angled shear wave generation

Qiu, Z., O'Leary, R., Gachagan, A. & Dobson, J., 21 Sep 2016, Ultrasonics Symposium (IUS), 2016 IEEE International. IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
138 Downloads (Pure)

Directional receiver for biomimetic sonar system

Guarato, F., Andrews, H., Windmill, J. F., Jackson, J. & Gachagan, A., 5 Dec 2016, In : Physics Procedia. 87, p. 24-28 5 p.

Research output: Contribution to journalConference Contribution

Open Access
File
1 Citation (Scopus)
61 Downloads (Pure)

Finite element analysis of ultrasonic CFRP laminate inspection

Dobson, J., Gachagan, A., O'Leary, R., Tweedie, A. & Harvey, G., 12 Sep 2016. 12 p.

Research output: Contribution to conferenceProceeding

Open Access
File
1 Citation (Scopus)
82 Downloads (Pure)

Finite element analysis simulations for ultrasonic array NDE inspections

Dobson, J., Tweedie, A., Harvey, G., O'Leary, R., Mulholland, A., Tant, K. & Gachagan, A., 10 Feb 2016, 42nd Annual Review of Progress in Quantitative Nondestructive Evaluation: Incorporating the 6th European-American Workshop on Reliability of NDE. Chimenti, D. E. & Bond, L. J. (eds.). Melville, NY., Vol. 1706. p. 040005-1 - 040005-14 14 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
5 Citations (Scopus)
205 Downloads (Pure)

Fractal geometry 1-3 piezoelectric composite with improved bandwidth

Fang, H., Mulholland, A., Gachagan, A. & O'Leary, R., 2016.

Research output: Contribution to conferencePoster

Hybrid simulation model of ultrasonic inspection of pressure tubes in nuclear industry

Zhao, H., Dobson, J., Gachagan, A., Lardner, T. & Dobie, G., 12 Sep 2016, Proceedings of 55th Annual British Conference of Non-Destructive Testing - NDT 2016 : Theoretical Modelling . New York, USA, p. 1-10 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
69 Downloads (Pure)

Improving the operational bandwidth of a 1-3 piezoelectric composite transducer using Sierpinski Gasket fractal geometry

Fang, H., Qiu, Z., O'Leary, R., Gachagan, A. & Mulholland, A., 18 Sep 2016, Ultrasonics Symposium (IUS), 2016 IEEE International. IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
4 Citations (Scopus)
81 Downloads (Pure)

Mapping the material microstructure of safety critical components using ultrasonic phased arrays

Tant, K. M. M., Galetti, E., Mulholland, A. J., Curtis, A. & Gachagan, A., 18 Sep 2016, 2016 IEEE International Ultrasonics Symposium (IUS) . Piscataway, NJ.: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
2 Citations (Scopus)
117 Downloads (Pure)