All Outputs (10)

Optimisation and thermo-mechanical analysis of a coated steam dual pipe system for use in advanced ultra-supercritical power plant (2020)
Journal Article
Guo, X. F., Benaarbia, A., Sun, W., Becker, A., Morris, A., Pavier, M., …Wales, C. (2020). Optimisation and thermo-mechanical analysis of a coated steam dual pipe system for use in advanced ultra-supercritical power plant. International Journal of Pressure Vessels and Piping, 186, Article 104157. https://doi.org/10.1016/j.ijpvp.2020.104157

© 2020 Elsevier Ltd Improving the energy efficiency of power plants by increasing steam operating temperature up to 700 °C can be achieved using novel engineering design concepts such as coated steam pipe systems. This paper presents an optimised des... Read More about Optimisation and thermo-mechanical analysis of a coated steam dual pipe system for use in advanced ultra-supercritical power plant.

Characterisation of deformation process and fracture mechanisms of P91 steel at 600°C in small punch tensile testing (2020)
Journal Article
Chen, H., Yang, R., Al-Abedy, H., Li, H., Sun, W., & Jones, I. (2020). Characterisation of deformation process and fracture mechanisms of P91 steel at 600°C in small punch tensile testing. Materials Characterization, 168, Article 110514. https://doi.org/10.1016/j.matchar.2020.110514

This paper investigates the microstructural evolution and fracture mechanism of the P91 steel during small punch tensile tests. Disc specimens, 8 mm in diameter and 0.5 mm in thickness, were tested in a small punch test rig at 600 °C using a constant... Read More about Characterisation of deformation process and fracture mechanisms of P91 steel at 600°C in small punch tensile testing.

Simulation of fatigue small crack growth in additive manufactured Ti–6Al–4V material (2020)
Journal Article
Gupta, A., Sun, W., & Bennett, C. J. (2020). Simulation of fatigue small crack growth in additive manufactured Ti–6Al–4V material. Continuum Mechanics and Thermodynamics, 32, 1745–1761. https://doi.org/10.1007/s00161-020-00878-0

© 2020, The Author(s). Additive manufacturing (AM) offers design freedom and ability to fabricate parts of complex shapes which are not often possible with the conventional methods of manufacturing. In an AM part, even with optimum build parameters,... Read More about Simulation of fatigue small crack growth in additive manufactured Ti–6Al–4V material.

Assessment of potential service-life performance for MarBN steel power plant header under flexible thermomechanical operations (2020)
Journal Article
Benaarbia, A., Morris, A., Li, M., & Sun, W. (2020). Assessment of potential service-life performance for MarBN steel power plant header under flexible thermomechanical operations. International Journal of Fatigue, 135, https://doi.org/10.1016/j.ijfatigue.2020.105565

This paper is concerned with the service-life assessment of 9Cr steels superheater outlet steam header subjected to realistic subcritical and future ultra-super critical flexible operating conditions. The proposed methodology is achieved via a combin... Read More about Assessment of potential service-life performance for MarBN steel power plant header under flexible thermomechanical operations.

High temperature strain heterogeneities tracking within hole-specimens of FV566 turbine steel via digital image correlation (2020)
Journal Article
Bao, J., Benaarbia, A., Bao, S., Guo, X., Wang, Y., & Sun, W. (2020). High temperature strain heterogeneities tracking within hole-specimens of FV566 turbine steel via digital image correlation. Materials Science and Engineering: A, 777, Article 139068. https://doi.org/10.1016/j.msea.2020.139068

This paper presents experimental and numerical investigations to study spatial-temporal distributions of strain heterogeneities within a FV566 turbine rotor steel subjected to high temperature conditions. Strain field were determined during monotonic... Read More about High temperature strain heterogeneities tracking within hole-specimens of FV566 turbine steel via digital image correlation.

Characterization of cyclic behavior, deformation mechanisms, and microstructural evolution of MarBN steels under high temperature conditions (2019)
Journal Article
Benaarbia, A., Xu, X., Sun, W., Becker, A., & Osgerby, S. (2020). Characterization of cyclic behavior, deformation mechanisms, and microstructural evolution of MarBN steels under high temperature conditions. International Journal of Fatigue, 131, 105270. https://doi.org/10.1016/j.ijfatigue.2019.105270

In this paper, the low cycle fatigue behaviour of MarBN steels at elevated temperatures is discussed. Four cyclic loading waveforms were applied to investigate both the mechanical and microstructural features. The mechanical results exhibit continuou... Read More about Characterization of cyclic behavior, deformation mechanisms, and microstructural evolution of MarBN steels under high temperature conditions.

Determination of Creep Damage Properties from Small Punch Creep Tests Considering Pre-Straining Effect Using an Inverse Approach (2019)
Journal Article
Sun, W., & Liu, H. (2019). Determination of Creep Damage Properties from Small Punch Creep Tests Considering Pre-Straining Effect Using an Inverse Approach. Mechanics of Materials, 139, https://doi.org/10.1016/j.mechmat.2019.103171

© 2019 Elsevier Ltd Although the small punch creep test (SPCT) has been commonly accepted as an effective small specimen material characterisation technique (e.g. the European Code of Practice (CoP) for small punch test was produced in 2006 to provid... Read More about Determination of Creep Damage Properties from Small Punch Creep Tests Considering Pre-Straining Effect Using an Inverse Approach.

Thermal and stress analyses of a novel coated steam dual pipe system for use in advanced ultra-supercritical power plant (2019)
Journal Article
Sun, W., & Becker, A. (2019). Thermal and stress analyses of a novel coated steam dual pipe system for use in advanced ultra-supercritical power plant. International Journal of Pressure Vessels and Piping, 176, https://doi.org/10.1016/j.ijpvp.2019.103933

Improving the energy efficiency of advanced ultra-supercritical power plants, by increasing steam operating temperature up to 700?, can be achieved, at reduced cost, by using novel engineering design concepts, such as coated steam pipe systems manufa... Read More about Thermal and stress analyses of a novel coated steam dual pipe system for use in advanced ultra-supercritical power plant.

Modelling the effectiveness of oil lubrication in reducing both friction and wear in a fretting contact (2019)
Journal Article
Sun, W., Shipway, P., Wenjie, Q., Wang, M., & Li, X. (2019). Modelling the effectiveness of oil lubrication in reducing both friction and wear in a fretting contact. Wear, 426-427(Part A), 770-777. https://doi.org/10.1016/j.wear.2019.02.029

Lubrication is often employed in fretting contacts to reduce wear and stresses associated with high friction. Owing to the very small displacements associated with fretting, penetration of lubricating oils into the contact may not be effective. The e... Read More about Modelling the effectiveness of oil lubrication in reducing both friction and wear in a fretting contact.

Experimental characterisation and computational modelling of cyclic viscoplastic behaviour of turbine steel (2019)
Journal Article
Hughes, J., Rae, Y., Benaarbia, A., Hughes, J., & Sun, W. (2019). Experimental characterisation and computational modelling of cyclic viscoplastic behaviour of turbine steel. International Journal of Fatigue, 124, 581-594. https://doi.org/10.1016/j.ijfatigue.2019.01.022

Fully reversed strain controlled low cycle fatigue and creep-fatigue interaction tests have been performed at ±0.7% strain amplitude and at three different temperatures (400 °C, 500 °C and 600 °C) to investigate the cyclic behaviour of a FV566 marten... Read More about Experimental characterisation and computational modelling of cyclic viscoplastic behaviour of turbine steel.