Dr Samuel Hefford

(Translated he/him)

2025

• Hefford, S. et al. 2025. Microwaves in clean energy technologies. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 383 (2297) 20240394. (10.1098/rsta.2024.0394)

2022

• Hefford, S. and Porch, A. 2022. Surface resistance of metallised 3D-printed plastic surfaces measured in the C-band using a dielectric resonator. Presented at: 2022 Asia-Pacific Microwave Conference (APMC) Yokohama, Japan 29 November 2022 - 02 December 2022. Proceedings of 2022 Asia-Pacific Microwave Conference (APMC). IEEE. , pp.142-144. (10.23919/APMC55665.2022.9999909)

2021

• Gumbleton, R. et al. 2021. Measurement technique for microwave surface resistance of additive manufactured metals. IEEE Transactions on Microwave Theory and Techniques 69 (1), pp.189-197. (10.1109/TMTT.2020.3035082)
• Hefford, S. et al. 2021. Liftoff dielectric resonator for the microwave surface resistance measurement of metal plates. IEEE Transactions on Instrumentation and Measurement 70 8002208. (10.1109/TIM.2020.3040834)

2019

• Parker, N. et al. 2019. A novel VHF heating system to aid selective laser melting. Presented at: 2019 IEEE MTT-S International Microwave Symposium, IMS 2019 Boston, MA, USA 2-7 June 2019. 2019 IEEE MTT-S International Microwave Symposium (IMS). IEEE. , pp.975-978. (10.1109/MWSYM.2019.8700898)
• Gumbleton, R. et al. 2019. Effects of post-processing treatments on the microwave performance of additively manufactured samples. Presented at: 13th European Conference on Antennas and Propagation (EuCAP) 2019 Krakow, Poland 31 March - 5 April 2019. 2019 13th European Conference on Antennas and Propagation (EuCAP).
• Hefford, S. J. 2019. Microwave processing in additive manufacturing. PhD Thesis , Cardiff University.

2017

• Clark, N. , Hefford, S. and Porch, A. 2017. Effect of build orientation and surface finish on surface resistance in microwave components produced by Selective Laser Melting. Presented at: 47th European Microwave Conference (EuMC) Nuremberg, Germany 10-12 October 2017. 2017 47th European Microwave Conference (EuMC). IEEE. , pp.508-511. (10.23919/EuMC.2017.8230901)
• Hefford, S. et al. 2017. Monitoring changes in microwave asorption of Ti64 powder during microwave sintering. Presented at: 2017 47th European Microwave Conference (EuMC) Nuremberg, Germany 10-12 October 2017. 2017 47th European Microwave Conference (EuMC). IEEE. , pp.927-929. (10.23919/EuMC.2017.8230997)