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CHRIS BENNETT

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CHRIS BENNETT

Professor of Solid Mechanics


Debris expulsion as a rate determining process in fretting – The effect of slip amplitude on debris expulsion behaviour and rates (2023)
Journal Article
Zhu, T., Bennett, C. J., & Shipway, P. H. (2023). Debris expulsion as a rate determining process in fretting – The effect of slip amplitude on debris expulsion behaviour and rates. Wear, 523, Article 204818. https://doi.org/10.1016/j.wear.2023.204818

In contrast to the well-established understanding of sliding wear, recent work has clearly demonstrated that the instantaneous wear rate in fretting of metals is dependent upon the contact size due to the fact that transport of species in and out of... Read More about Debris expulsion as a rate determining process in fretting – The effect of slip amplitude on debris expulsion behaviour and rates.

On the Microstructural Evolution and Failure Mechanism in Laser Powder Bed Fusioned Ti-6Al-4V during Low Cycle Fatigue at Room and Elevated Temperatures (2022)
Journal Article
Gupta, A., Bennett, C. J., Sun, W., & Neate, N. (2022). On the Microstructural Evolution and Failure Mechanism in Laser Powder Bed Fusioned Ti-6Al-4V during Low Cycle Fatigue at Room and Elevated Temperatures. Journal of Materials Research and Technology, 21, 4299-4319. https://doi.org/10.1016/j.jmrt.2022.10.141

Microstructural features and their evolution during cyclic deformation directly impact the low cycle fatigue (LCF) life of additively manufactured Laser Powder Bed Fusion (LPBF) Ti-6Al-4V. Tensile and strain controlled LCF tests were performed at roo... Read More about On the Microstructural Evolution and Failure Mechanism in Laser Powder Bed Fusioned Ti-6Al-4V during Low Cycle Fatigue at Room and Elevated Temperatures.

An inverse analysis method for determining abradable constitutive properties (2022)
Journal Article
Lye, R., Bennett, C., Rouse, J., & Zumpano, G. (2022). An inverse analysis method for determining abradable constitutive properties. Materials Today Communications, 33, Article 104571. https://doi.org/10.1016/j.mtcomm.2022.104571

Abradable coatings enable small tip clearances within gas turbine engines to be achieved. These coatings allow blades to cut their ideal paths during engine running-in and act as a sacrificial layer during unforeseen blade-casing interactions, minimi... Read More about An inverse analysis method for determining abradable constitutive properties.

CFD Approach to the Influence of Particle Size on Erosive Wear in Coal Riser Pipes (2022)
Journal Article
Ogunlela, P. T., Giddings, D., Bennett, C., Born, S., Klaassen, M., Gennissen, I., & Farnish, R. (2022). CFD Approach to the Influence of Particle Size on Erosive Wear in Coal Riser Pipes. Journal of Fluid Flow, Heat and Mass Transfer, 9, 43-48. https://doi.org/10.11159/jffhmt.2022.006

Pneumatic conveying of finely pulverised coal particles is an important process in the steelmaking industry, used to transport coal to the blast furnace. Erosive wear caused by high velocity particles impacting on the inner wall surfaces of pneumatic... Read More about CFD Approach to the Influence of Particle Size on Erosive Wear in Coal Riser Pipes.

Numerical and Experimental Analysis of the Deformation Behavior of CoCrFeNiMn High Entropy Alloy Particles onto Various Substrates During Cold Spraying (2022)
Journal Article
Akisin, C. J., Bennett, C. J., Venturi, F., Assadi, H., & Hussain, T. (2022). Numerical and Experimental Analysis of the Deformation Behavior of CoCrFeNiMn High Entropy Alloy Particles onto Various Substrates During Cold Spraying. Journal of Thermal Spray Technology, 31(4), 1085-1111. https://doi.org/10.1007/s11666-022-01377-1

The bonding mechanisms of a wide range of metallic materials in cold spraying have been studied, mainly attributed to adiabatic shear instability (ASI) at high strain rates, whereas the impact and deformation behavior of high entropy alloys (HEAs) on... Read More about Numerical and Experimental Analysis of the Deformation Behavior of CoCrFeNiMn High Entropy Alloy Particles onto Various Substrates During Cold Spraying.

Corrigendum to ‘Understanding and modelling wear rates and mechanisms in fretting via the concept of rate-determining processes - Contact oxygenation, debris formation and debris ejection’ (Wear (2021) 486–487, (S004316482100452X), (10.1016/j.wear.2021.204066)) (2021)
Journal Article
Shipway, P. H., Kirk, A. M., Bennett, C. J., & Zhu, T. (2022). Corrigendum to ‘Understanding and modelling wear rates and mechanisms in fretting via the concept of rate-determining processes - Contact oxygenation, debris formation and debris ejection’ (Wear (2021) 486–487, (S004316482100452X), (10.1016/j.wear.2021.204066)). Wear, 488-489, Article 204161. https://doi.org/10.1016/j.wear.2021.204161

A computationally efficient method for the prediction of fretting wear in practical engineering applications (2021)
Journal Article
Kong, Y., Bennett, C. J., & Hyde, C. J. (2022). A computationally efficient method for the prediction of fretting wear in practical engineering applications. Tribology International, 165, Article 107317. https://doi.org/10.1016/j.triboint.2021.107317

A method for simulating fretting wear using the Modified Simplex Method for a contact solution has been developed. The initial separation between two contacting bodies was used as an input to solve the contact force distribution. An average cycle pre... Read More about A computationally efficient method for the prediction of fretting wear in practical engineering applications.

Understanding and modelling wear rates and mechanisms in fretting via the concept of rate-determining processes - Contact oxygenation, debris formation and debris ejection (2021)
Journal Article
Shipway, P. H., Kirk, A. M., Bennett, C. J., & Zhu, T. (2021). Understanding and modelling wear rates and mechanisms in fretting via the concept of rate-determining processes - Contact oxygenation, debris formation and debris ejection. Wear, 486-487, https://doi.org/10.1016/j.wear.2021.204066

A new framework which describes the role of three key processes in fretting wear of metals is proposed, with these three processes being: (i) oxygen transport into the contact; (ii) formation of oxide-based wear debris in the contact and (iii) ejecti... Read More about Understanding and modelling wear rates and mechanisms in fretting via the concept of rate-determining processes - Contact oxygenation, debris formation and debris ejection.

Interaction of displacement amplitude and frequency effects in fretting wear of a high strength steel: Impact on debris bed formation and subsurface damage (2021)
Journal Article
Kirk, A. M., Sun, W., Bennett, C. J., & Shipway, P. H. (2021). Interaction of displacement amplitude and frequency effects in fretting wear of a high strength steel: Impact on debris bed formation and subsurface damage. Wear, 482-483, https://doi.org/10.1016/j.wear.2021.203981

In previous work, fretting frequency has been observed to have a significant impact not only on wear rates, but also on the nature of fretting debris and the development of subsurface damage; however, while the “frequency effect” has been shown in so... Read More about Interaction of displacement amplitude and frequency effects in fretting wear of a high strength steel: Impact on debris bed formation and subsurface damage.

Signal-based analysis of the dynamic behaviour of the system in inertia friction welding and its impact on part contact evolution (2021)
Journal Article
Raimondi, L., Bennett, C. J., Gameros, A., & Axinte, D. (2021). Signal-based analysis of the dynamic behaviour of the system in inertia friction welding and its impact on part contact evolution. Mechanical Systems and Signal Processing, 161, Article 107985. https://doi.org/10.1016/j.ymssp.2021.107985

Inertia friction welding (IFW) is a process used to create joints with high geometrical accuracy and near net shape form. To cope with the complex phenomena occurring during welding, the majority of available studies have analysed the interaction of... Read More about Signal-based analysis of the dynamic behaviour of the system in inertia friction welding and its impact on part contact evolution.