All Outputs (460)

Effects of surface roughness on thermo-mechanical fatigue life of a P91 power plant steel (2016)
Journal Article
Kyaw, S. T., Rouse, J. P., Lu, J., & Sun, W. (in press). Effects of surface roughness on thermo-mechanical fatigue life of a P91 power plant steel. https://doi.org/10.1016/j.prostr.2016.06.086

P91 martensitic steel has now been widely used for power plant components such as steam pipe sections and headers. With the shift to renewable sources, traditional fossil power plants are increasingly expected to operate under so called “two shifting... Read More about Effects of surface roughness on thermo-mechanical fatigue life of a P91 power plant steel.

The competing chemical and physical effects of transient fuel enrichment on heavy knock in an optical spark ignition engine (2016)
Journal Article
Vafamehr, H., Cairns, A., Sampson, O., & Mohammadmohsen Moslemin, K. (2016). The competing chemical and physical effects of transient fuel enrichment on heavy knock in an optical spark ignition engine. Applied Energy, 179, https://doi.org/10.1016/j.apenergy.2016.07.038

The work was concerned with improving understanding of the chemical and physical trade-offs when employing transient over-fuelling to control auto-ignition in gasoline spark ignition engines under knock intensities not usually tolerated in optical en... Read More about The competing chemical and physical effects of transient fuel enrichment on heavy knock in an optical spark ignition engine.

Multiaxial viscoplasticity modelling of power plant steel (2016)
Journal Article
Saad, A. A., Sun, W., & Tobi, A. M. (in press). Multiaxial viscoplasticity modelling of power plant steel. Key Engineering Materials, 701, https://doi.org/10.4028/www.scientific.net/KEM.701.230

The thermo-mechanical fatigue (TMF) of power plant components is caused by the cyclic operation of power plant. A time-dependent plasticity model can be used to simulate the component response under cyclic thermo-mechanical loading. This paper is con... Read More about Multiaxial viscoplasticity modelling of power plant steel.

Pulsed laser ablation as a tool for in-situ balancing of rotating parts (2016)
Journal Article
Stoesslein, M., Axinte, D. A., & Bilbao Guillerna, A. (2016). Pulsed laser ablation as a tool for in-situ balancing of rotating parts. Mechatronics, 38, 54-67. https://doi.org/10.1016/j.mechatronics.2016.06.006

The balancing of complex rotating systems is a challenging task as it may require repetitive (dis)assembly to enable mass adjustments; thus, developing methods for in-situ dynamic balancing of rotatives is regarded as a key technology enabler. In thi... Read More about Pulsed laser ablation as a tool for in-situ balancing of rotating parts.

On the effects of friction modelling on small punch creep test responses: a numerical investigation (2016)
Journal Article
Cortellino, F., Sun, W., & Hyde, T. (in press). On the effects of friction modelling on small punch creep test responses: a numerical investigation. Journal of Strain Analysis for Engineering Design, 51(7), https://doi.org/10.1177/0309324716655661

This paper shows the results of finite element (FE) analyses of Small Punch Creep Testing (SPCT) of a P91 steel at 600°C using two different approaches to model the friction between the specimen and the punch. The numerical results obtained by using... Read More about On the effects of friction modelling on small punch creep test responses: a numerical investigation.

A study on the evolution of the contact angle of small punch creep test of Ductile materials (2016)
Journal Article
Cacciapuoti, B., Sun, W., & McCartney, D. (in press). A study on the evolution of the contact angle of small punch creep test of Ductile materials. International Journal of Pressure Vessels and Piping, https://doi.org/10.1016/j.ijpvp.2016.06.002

The work discussed in the present paper reports a novel investigation of the applicability of Chakrabarty's theory, for membrane stretching of a circular blank over a rigid punch, to small punch creep test (SPCT). The Chakrabarty solution was compare... Read More about A study on the evolution of the contact angle of small punch creep test of Ductile materials.

X-ray computed tomography for additive manufacturing: a review (2016)
Journal Article
Thompson, A., Maskery, I., & Leach, R. K. (2016). X-ray computed tomography for additive manufacturing: a review. Measurement Science and Technology, 27(7), Article 072001. https://doi.org/10.1088/0957-0233/27/7/072001

In this review, the use of x-ray computed tomography (XCT) is examined, identifying the requirement for volumetric dimensional measurements in industrial verification of additively manufactured (AM) parts. The XCT technology and AM processes are summ... Read More about X-ray computed tomography for additive manufacturing: a review.

Yb3+ doping effects on thermal conductivity and thermal expansion of Yttrium aluminium garnet (2016)
Journal Article
Wang, J., Xu, F., Wheatley, R., Neate, N. C., & Hou, X. (2016). Yb3+ doping effects on thermal conductivity and thermal expansion of Yttrium aluminium garnet. Ceramics International, 42(12), 14228-14235. https://doi.org/10.1016/j.ceramint.2016.06.034

Yttrium Aluminium Garnet (YAG) is an attractive candidate as thermal barrier material used for turbine blade in aero engines, due to its relatively low thermal conductivity, low oxygen diffusivity and good phase stability at high temperature. YAG has... Read More about Yb3+ doping effects on thermal conductivity and thermal expansion of Yttrium aluminium garnet.

Machining of additively manufactured parts: implications for surface integrity (2016)
Journal Article
Oyelola, O., Crawforth, P., M'Saoubi, R., & Clare, A. T. (in press). Machining of additively manufactured parts: implications for surface integrity. Procedia CIRP, 45, https://doi.org/10.1016/j.procir.2016.02.066

Additive manufacturing methods continue to move towards production ready technologies with the widely extolled virtues of rapid transition from design to part and enhanced design freedoms. However, due to fundamental limitations of laser based proces... Read More about Machining of additively manufactured parts: implications for surface integrity.

The role of geometry changes and debris formation associated with wear on the temperature field in fretting contacts (2016)
Journal Article
Jin, X., Sun, W., & Shipway, P. (2016). The role of geometry changes and debris formation associated with wear on the temperature field in fretting contacts. Tribology International, 102, https://doi.org/10.1016/j.triboint.2016.05.043

The temperature of a fretting contact is known to be a key factor in its development. However, as a test proceeds, the wear scar changes, both geometrically and through the formation of oxide-based debris-beds. Accordingly, the effects of these on th... Read More about The role of geometry changes and debris formation associated with wear on the temperature field in fretting contacts.

Contamination of µCMM stylus tips: on-machine inspection (2016)
Conference Proceeding
Feng, X., Lacorne, C., Fernandes, G. Q., Lawes, S., & Kinnell, P. (2016). Contamination of µCMM stylus tips: on-machine inspection.

Contamination adhered to the surface of a µCMM stylus tip significantly impairs the dimensional accuracy of a µCMM system. Regular cleaning of the stylus is essential to minimising the dimensional error but little data exists for determining appropri... Read More about Contamination of µCMM stylus tips: on-machine inspection.

Investigating mechanical characteristics of styli for micro-CMMs (2016)
Conference Proceeding
Ismail, M., Tseng, K., Claverley, J. D., Sheu, D., Chetwynd, D., & Leach, R. K. (2016). Investigating mechanical characteristics of styli for micro-CMMs.

The mechanical characteristics of styli for micro coordinate measuring machines (micro-CMMs) is of importance because of the major effect the styli have on the performance and capability of micro-CMMs. Previous work has focussed on the design of the... Read More about Investigating mechanical characteristics of styli for micro-CMMs.

Towards uncertainty in dimensional metrology of surface features for advanced manufacturing (2016)
Conference Proceeding
Musso, G., Senin, N., Galetto, M., & Leach, R. K. (2016). Towards uncertainty in dimensional metrology of surface features for advanced manufacturing.

In previous work, an original approach was developed for the dimensional characterisation of surface features on parts and test artefacts, aimed at supporting researchers involved in the study of advanced manufacturing processes. In the approach, met... Read More about Towards uncertainty in dimensional metrology of surface features for advanced manufacturing.

An integrated measurement method for complex micro-scale geometries (2016)
Conference Proceeding
Rabani, A., Senin, N., Helmli, F., Butler-Smith, P., & Leach, R. K. (2016). An integrated measurement method for complex micro-scale geometries.

Micro-scale geometries are becoming commonplace in many high-precision manufacturing applications. Micro-drilling processes, for example, are being employed for producing holes in demanding applications involving fluid transfer, atomisers and micro-m... Read More about An integrated measurement method for complex micro-scale geometries.

Inviscid instability of two-fluid free surface flow down an incline (2016)
Journal Article
Ghosh, S., Usha, R., Govindarajan, R., & Tammisola, O. (2017). Inviscid instability of two-fluid free surface flow down an incline. Meccanica, 52(4-5), 955-972. https://doi.org/10.1007/s11012-016-0455-6

The inviscid temporal stability analysis of two-fluid parallel shear flow with a free surface, down an incline, is studied. The velocity profiles are chosen as piecewise-linear with two limbs. The analysis reveals the existence of unstable inviscid m... Read More about Inviscid instability of two-fluid free surface flow down an incline.

The characteristics of railway service disruption: implications for disruption management (2016)
Journal Article
Golightly, D., & Dadashi, N. (in press). The characteristics of railway service disruption: implications for disruption management. Ergonomics, https://doi.org/10.1080/00140139.2016.1173231

Rail disruption management is central to operational continuity and customer satisfaction. Disruption is not a unitary phenomenon - it varies by time, cause, location and complexity of coordination. Effective, user-centred technology for rail disrupt... Read More about The characteristics of railway service disruption: implications for disruption management.

The usability of recycled carbon fibres in short fibre thermoplastics: interfacial properties (2016)
Journal Article
Burn, D., Harper, L. T., Johnson, M., Warrior, N., Nagel, U., Yang, L., & Thomason, J. (in press). The usability of recycled carbon fibres in short fibre thermoplastics: interfacial properties. Journal of Materials Science, https://doi.org/10.1007/s10853-016-0053-y

The objective of this study was to investigate the feasibility of combining discontinuous recycled carbon fibres with polypropylene, to produce a low-cost, high specific stiffness material for high-volume applications. The inherent low affinity of ca... Read More about The usability of recycled carbon fibres in short fibre thermoplastics: interfacial properties.

Flow instabilities in a horizontal thermosyphon reboiler loop (2016)
Journal Article
Agunlejika, E. O., Langston, P., Azzopardi, B. J., & Hewakandamby, B. N. (2016). Flow instabilities in a horizontal thermosyphon reboiler loop. Experimental Thermal and Fluid Science, 78, https://doi.org/10.1016/j.expthermflusci.2016.05.013

Thermosyphon systems have been the subject of several studies due to instability issues negating their attractive high heat fluxes, low temperature gradients requirement, reduced weight and simple, pump-less system. There is a dearth of design data f... Read More about Flow instabilities in a horizontal thermosyphon reboiler loop.

A new photocrosslinkable polycaprolactone based ink for three dimensional inkjet printing (2016)
Journal Article
He, Y., Tuck, C., Prina, E., Kilsby, S., Christie, S. D., Edmondson, S., …Wildman, R. D. (2017). A new photocrosslinkable polycaprolactone based ink for three dimensional inkjet printing. Journal of Biomedical Materials Research Part B: Applied Biomaterials, 105(6), 1645-1657. https://doi.org/10.1002/jbm.b.33699

A new type of photocrosslinkable polycaprolactone (PCL)-based ink that is suitable for three-dimensional (3D) inkjet printing has been developed. Photocrosslinkable PCL dimethylacrylate was synthesized and mixed with poly(ethylene glycol) diacrylate... Read More about A new photocrosslinkable polycaprolactone based ink for three dimensional inkjet printing.

A driving simulator study to explore the effects of text size on the visual demand of in-vehicle displays (2016)
Journal Article
Crundall, E., Large, D. R., & Burnett, G. (2016). A driving simulator study to explore the effects of text size on the visual demand of in-vehicle displays. Displays, 43, 23-29. https://doi.org/10.1016/j.displa.2016.05.003

Modern vehicles increasingly utilise a large display within the centre console, often with touchscreen capability, to enable access to a wide range of driving and non-driving-related functionality. The text provided on such displays can vary consider... Read More about A driving simulator study to explore the effects of text size on the visual demand of in-vehicle displays.