All Outputs (42)

The Estimation of Taylor-Quinney Coefficients Using Small Ring Specimens (2022)
Journal Article
Lavie, W., Rouse, J. P., & Hyde, C. J. (2023). The Estimation of Taylor-Quinney Coefficients Using Small Ring Specimens. Experimental Mechanics, 63, 429-443. https://doi.org/10.1007/s11340-022-00920-z

Background: The use of the Taylor-Quinney coefficient for introducing a thermal dissipation term into material models relies on understanding its dependencies. These are usually determined through extensive experimentation, wherein temperature variat... Read More about The Estimation of Taylor-Quinney Coefficients Using Small Ring Specimens.

On the thermomechanical aging of LPBF alloy 718 (2022)
Journal Article
Sanchez, S., Gaspard, G., Hyde, C. J., Ashcroft, I. A., Ravi, G. A., & Clare, A. T. (2022). On the thermomechanical aging of LPBF alloy 718. Materials Science and Engineering: A, 841, Article 142998. https://doi.org/10.1016/j.msea.2022.142998

Heat treatment of products post additive manufacture are considered hugely important since the metallurgical condition post process is suboptimal. In the case of nickel-based superalloys, grain size, precipitate distribution and precipitate size are... Read More about On the thermomechanical aging of LPBF alloy 718.

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.

Small specimen techniques for estimation of tensile, fatigue, fracture and crack propagation material model parameters (2021)
Journal Article
Kazakeviciute, J., Rouse, J. P., Focatiis, D., & Hyde, C. (2022). Small specimen techniques for estimation of tensile, fatigue, fracture and crack propagation material model parameters. Journal of Strain Analysis for Engineering Design, 57(4), 227-254. https://doi.org/10.1177/03093247211025208

Small specimen mechanical testing is an exciting and rapidly developing field in which fundamental deformation behaviours can be observed from experiments performed on comparatively small amounts of material. These methods are particularly useful whe... Read More about Small specimen techniques for estimation of tensile, fatigue, fracture and crack propagation material model parameters.

Powder Bed Fusion of nickel-based superalloys: A review (2021)
Journal Article
Sanchez, S., Xu, Z., Smith, P., Gaspard, G., Hyde, C. J., Ashcroft, I. A., …Clare, A. T. (2021). Powder Bed Fusion of nickel-based superalloys: A review. International Journal of Machine Tools and Manufacture, 165, Article 103729. https://doi.org/10.1016/j.ijmachtools.2021.103729

Powder Bed Fusion (PBF) techniques constitute a family of Additive Manufacturing (AM) processes, which are characterised by high design flexibility and no tooling requirement. This makes PBF techniques attractive to many modern manufacturing sectors... Read More about Powder Bed Fusion of nickel-based superalloys: A review.

Multi-laser scan strategies for enhancing creep performance in LPBF (2021)
Journal Article
Sanchez, S., Hyde, C. J., Clare, A. T., & Ashcroft, I. A. (2021). Multi-laser scan strategies for enhancing creep performance in LPBF. Additive Manufacturing, 41, Article 101948. https://doi.org/10.1016/j.addma.2021.101948

Laser Powder Bed Fusion (LPBF) enables complex structures to be manufactured, which is attractive to industries where augmented service performance can be achieved. However, the build time of LPBF can be slower than traditional manufacturing processe... Read More about Multi-laser scan strategies for enhancing creep performance in LPBF.

The creep behaviour of nickel alloy 718 manufactured by laser powder bed fusion (2021)
Journal Article
Sanchez, S., Gaspard, G., Hyde, C., Ashcroft, I., Ravi, G., & Clare, A. (2021). The creep behaviour of nickel alloy 718 manufactured by laser powder bed fusion. Materials and Design, 204, Article 109647. https://doi.org/10.1016/j.matdes.2021.109647

Components manufactured by laser powder bed fusion (LPBF) are limited by their performance for use in critical applications. LPBF materials have microstructural defects, such as suboptimal grain size and morphology, and macroscale anomalies, such as... Read More about The creep behaviour of nickel alloy 718 manufactured by laser powder bed fusion.

On the use of small ring testing for the characterisation of elastic and yield material property variation in additively manufactured materials (2020)
Journal Article
Rouse, J. P., Simonelli, M., & Hyde, C. J. (2020). On the use of small ring testing for the characterisation of elastic and yield material property variation in additively manufactured materials. Additive Manufacturing, 36, Article 101589. https://doi.org/10.1016/j.addma.2020.101589

© 2020 Elsevier B.V. The present work introduces a small volume, high throughput testing method that may be used to quickly, and with high spatial fidelity, investigate local material properties in additively manufactured materials. A case study appl... Read More about On the use of small ring testing for the characterisation of elastic and yield material property variation in additively manufactured materials.

A review of non-destructive testing techniques for the in-situ investigation of fretting fatigue cracks (2020)
Journal Article
Kong, Y., Bennett, C. J., & Hyde, C. J. (2020). A review of non-destructive testing techniques for the in-situ investigation of fretting fatigue cracks. Materials and Design, 196, Article 109093. https://doi.org/10.1016/j.matdes.2020.109093

© 2020 The Authors Fretting fatigue can significantly reduce the life of components, leading to unexpected in-service failures. This phenomenon has been studied for over a century, with significant progress being made during the past decade. There ar... Read More about A review of non-destructive testing techniques for the in-situ investigation of fretting fatigue cracks.

Potential difference methods for measuring crack growth: A review (2020)
Journal Article
Si, Y., Rouse, J. P., & Hyde, C. J. (2020). Potential difference methods for measuring crack growth: A review. International Journal of Fatigue, 136, Article 105624. https://doi.org/10.1016/j.ijfatigue.2020.105624

© 2020 Elsevier Ltd Non-destructive testing techniques are widely applied in industry for the evaluation of quantities of interest without inflicting additional damage accumulation. Crack detection and monitoring is a prime example of where non-destr... Read More about Potential difference methods for measuring crack growth: A review.

The effect of phase angle on crack growth mechanisms under thermo-mechanical fatigue loading (2020)
Journal Article
Jones, J., Whittaker, M., Lancaster, R., Hyde, C., Rouse, J., Engel, B., …Li, H. Y. (2020). The effect of phase angle on crack growth mechanisms under thermo-mechanical fatigue loading. International Journal of Fatigue, 135, Article 105539. https://doi.org/10.1016/j.ijfatigue.2020.105539

© 2020 Elsevier Ltd The current paper describes TMF crack growth behaviour in an advanced nickel-based superalloy. Changes in behaviour are examined which occur as a function of the phase angle between applied stress and temperature. The fractography... Read More about The effect of phase angle on crack growth mechanisms under thermo-mechanical fatigue loading.

Thermomechanical fatigue in 9-12Cr steels: Life prediction models and the effect of tensile dwell periods (2019)
Journal Article
Barrett, R. A., Hyde, C. J., O'Donoghue, P. E., & Leen, S. B. (2019). Thermomechanical fatigue in 9-12Cr steels: Life prediction models and the effect of tensile dwell periods. International Journal of Fatigue, 126, 335-345. https://doi.org/10.1016/j.ijfatigue.2019.05.007

This paper is concerned with the assessment of life prediction models for thermomechanical fatigue (TMF), with specific application to P91 steel. A program of TMF tests, including dwell periods, are performed to determine the role of thermomechanical... Read More about Thermomechanical fatigue in 9-12Cr steels: Life prediction models and the effect of tensile dwell periods.

The development of a novel technique for small ring specimen tensile testing (2018)
Journal Article
Kazakeviciute, J., Rouse, J., De Focatiis, D., & Hyde, C. (2019). The development of a novel technique for small ring specimen tensile testing. Theoretical and Applied Fracture Mechanics, 99, 131-139. https://doi.org/10.1016/j.tafmec.2018.11.016

The wide scale use of small specimens in routine testing programs could significantly reduce material resource requirements (factors of 10 are easily achievable). This is a major benefit to situations where there is not enough material to manufacture... Read More about The development of a novel technique for small ring specimen tensile testing.

A neural network approach for determining spatial and geometry dependent Green's functions for thermal stress approximation in power plant header components (2018)
Journal Article
Rouse, J., Hyde, C., & Morris, A. (2018). A neural network approach for determining spatial and geometry dependent Green's functions for thermal stress approximation in power plant header components. International Journal of Pressure Vessels and Piping, 168, 269-288. https://doi.org/10.1016/j.ijpvp.2018.10.020

The trend in power generation to operate plant with a greater frequency of on/partial/off load conditions creates several concerns for the long term structural integrity of many high temperature components. The Green's function method has been used f... Read More about A neural network approach for determining spatial and geometry dependent Green's functions for thermal stress approximation in power plant header components.

The Prediction of isothermal cyclic plasticity in 7175-T7351 aluminium alloy with particular emphasis on thermal ageing effects (2018)
Journal Article
Wing Cheong, M. L., Rouse, J., Hyde, C., & Kennedy, A. (2018). The Prediction of isothermal cyclic plasticity in 7175-T7351 aluminium alloy with particular emphasis on thermal ageing effects. International Journal of Fatigue, 114, 92-108. https://doi.org/10.1016/j.ijfatigue.2018.05.010

Rapid thermal ageing has been observed in the literature for certain aerospace aluminium alloys under conditions which are foreseeable in their intended component applications. While several experimental programs have explored this phenomenon in the... Read More about The Prediction of isothermal cyclic plasticity in 7175-T7351 aluminium alloy with particular emphasis on thermal ageing effects.

A case study investigation into the effects of spatially dependent convection coefficients on the fatigue response of a power plant header component (2018)
Journal Article
Rouse, J., Zacharzewski, P., Hyde, C., Jefferson-Loveday, R. J., Morris, A., & Kyaw, S. (2018). A case study investigation into the effects of spatially dependent convection coefficients on the fatigue response of a power plant header component. International Journal of Fatigue, 113, 137-148. https://doi.org/10.1016/j.ijfatigue.2018.03.032

Societal and environmental pressures are forcing thermal power plant operators to deviate greatly from the generation strategies of the past. The application of high frequency start up/shut down/partial load cycles to components that may well be outs... Read More about A case study investigation into the effects of spatially dependent convection coefficients on the fatigue response of a power plant header component.

The influence of shot peening on the fatigue response of Ti-6Al-4V surfaces subject to different machining processes (2018)
Journal Article
Xu, Z., Dunleavey, J., Antar, M., Hood, R., Soo, S., Kucukturk, G., …Clare, A. (2018). The influence of shot peening on the fatigue response of Ti-6Al-4V surfaces subject to different machining processes. International Journal of Fatigue, 111, https://doi.org/10.1016/j.ijfatigue.2018.02.022

Machining processes are known to drastically impact the performance and lifetime of a component subjected to fatigue in service. Therefore, understanding the effect of manufacturing processes on surface integrity is vital to determine their suitabili... Read More about The influence of shot peening on the fatigue response of Ti-6Al-4V surfaces subject to different machining processes.

Creep behaviour of inconel 718 processed by laser powder bed fusion (2018)
Journal Article
Xu, Z., Hyde, C., Tuck, C., & Clare, A. (2018). Creep behaviour of inconel 718 processed by laser powder bed fusion. Journal of Materials Processing Technology, 256, https://doi.org/10.1016/j.jmatprotec.2018.01.040

Additive manufacturing lends itself well to the manufacture of aerospace parts due to the high complexity and small volume of many components found in modern aero engines. By exploiting additive manufacturing design freedoms, enhanced part functional... Read More about Creep behaviour of inconel 718 processed by laser powder bed fusion.

Defect evolution in laser powder bed fusion additive manufactured components during thermo-mechanical testing (2017)
Presentation / Conference Contribution
Xu, Z., Hyde, C. J., Thompson, A., Leach, R. K., Maskery, I., Tuck, C., & Clare, A. T. (2017). Defect evolution in laser powder bed fusion additive manufactured components during thermo-mechanical testing.

The mechanical performance of additively manufactured (AM) components remains an issue, limiting the implementation of AM technologies. In this work, a new method is presented, to examine the evolution of defects in an Inconel 718 two-bar test specim... Read More about Defect evolution in laser powder bed fusion additive manufactured components during thermo-mechanical testing.

Staged thermomechanical testing of nickel superalloys produced by selective laser melting (2017)
Journal Article
Xu, Z., Hyde, C. J., Thompson, A., Leach, R. K., Maskery, I., Tuck, C., & Clare, A. T. (2017). Staged thermomechanical testing of nickel superalloys produced by selective laser melting. Materials and Design, 133, 520-527. https://doi.org/10.1016/j.matdes.2017.08.009

The creep performance of additively manufactured components remains an issue before additive manufacturing can be put fully implemented. In this study, Inconel 718 two-bar specimens are produced by selective laser melting and subjected to a ‘staged’... Read More about Staged thermomechanical testing of nickel superalloys produced by selective laser melting.