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The role of small specimen creep testing within a life assessment framework for high temperature power plant (2017)
Journal Article
Morris, A., Cacciapuoti, B., & Sun, W. (2018). The role of small specimen creep testing within a life assessment framework for high temperature power plant. International Materials Reviews, 63(2), 102-137. https://doi.org/10.1080/09506608.2017.1332538

The safe operation of components operating at high temperature and pressure faces numerous challenges associated with ageing materials and maintaining commercial viability whilst economies transition to a lower carbon future as part of their climate... Read More about The role of small specimen creep testing within a life assessment framework for high temperature power plant.

Coherence scanning interferometry for additive manufacture (2017)
Conference Proceeding
Gomez, C., Thompson, A., DiSciacca, J., Lawes, S., & Leach, R. (2017). Coherence scanning interferometry for additive manufacture.

Additive manufacture (AM) of metal components is a rapidly maturing technology; but given the large number of interrelated process parameters, it remains difficult to control to high precision. It has been observed that processing conditions may be a... Read More about Coherence scanning interferometry for additive manufacture.

Focus variation measurement of electron beam melted surfaces (2017)
Conference Proceeding
Newton, L., Senin, N., & Leach, R. (2017). Focus variation measurement of electron beam melted surfaces.

Electron beam melting (EBM) is a promising additive manufacturing process which is seeing increasing use in high value manufacturing sectors such as aerospace [1]. With its layer-by-layer approach, EBM can allow the creation of parts of complex shape... Read More about Focus variation measurement of electron beam melted surfaces.

X-ray computed tomography of additively manufactured metal parts: the effect of magnification and reconstruction sampling on surface topography measurement (2017)
Conference Proceeding
Thompson, A., Körner, L., Senin, N., Lawes, S., Leach, R., & Maskery, I. (2017). X-ray computed tomography of additively manufactured metal parts: the effect of magnification and reconstruction sampling on surface topography measurement.

X-ray computed tomography (XCT) has recently become recognised as a viable method of surface topography measurement for additively manufactured (AM) metal parts [1–5]. AM is capable of producing internal features that are inaccessible to other surfac... Read More about X-ray computed tomography of additively manufactured metal parts: the effect of magnification and reconstruction sampling on surface topography measurement.

An industrial survey on the use of surface texture parameters (2017)
Conference Proceeding
Todhunter, L. D., Leach, R., & Lawes, S. D. (2017). An industrial survey on the use of surface texture parameters.

In 1999, CIRP conducted an industrial survey of the use of surface texture parameters [1]. In the seventeen years since, much has changed, with the most important advancement being the introduction of areal surface texture parameters as described in... Read More about An industrial survey on the use of surface texture parameters.

Measurement noise of a point autofocus surface topography instrument (2017)
Conference Proceeding
Feng, X., Quagliotti, D., Maculotti, G., Syam, W. P., Tosello, G., Hansen, H. N., …Leach, R. (2017). Measurement noise of a point autofocus surface topography instrument.

Optical instruments for areal topography measurement can be especially sensitive to noise when scanning is required. Such noise has different sources, including those internally generated and external sources from the environment [1].For some instrum... Read More about Measurement noise of a point autofocus surface topography instrument.

Detecting the signature of motion stage non-linearity for focus variation microscopy using measurement noise and surface topography repeatability (2017)
Conference Proceeding
Alburayt, A., Syam, W. P., & Leach, R. (2017). Detecting the signature of motion stage non-linearity for focus variation microscopy using measurement noise and surface topography repeatability.

Measurement noise is one of the ISO-proposed metrological characteristics of areal surface texture instruments [1, 2, 3, 4]. Measurement noise includes all of the unwanted contributions to the output signals when the instrument is used in its normal... Read More about Detecting the signature of motion stage non-linearity for focus variation microscopy using measurement noise and surface topography repeatability.

A design of experiments (DoE) approach to identify the influencing parameters that determine poly-D,L-lactic acid (PDLLA) electrospun scaffold morphologies (2017)
Journal Article
Ruiter, F. A. A., Alexander, C., Rose, F. R., & Segal, J. (2017). A design of experiments (DoE) approach to identify the influencing parameters that determine poly-D,L-lactic acid (PDLLA) electrospun scaffold morphologies. Biomedical Materials, 12(5), Article 055009. https://doi.org/10.1088/1748-605X/aa7b54

Electrospun fibrous materials have increasing applications in regenerative medicine due to the similarity of fibre constructs to the morphology of certain extracellular matrices. Although experimentally the electrospinning method is relatively simple... Read More about A design of experiments (DoE) approach to identify the influencing parameters that determine poly-D,L-lactic acid (PDLLA) electrospun scaffold morphologies.

Size and thermal effects on sedimentation behaviors of two spheres (2017)
Journal Article
Yang, B., Chen, S., Xiong, Y., Zhang, R., & Zheng, C. (2017). Size and thermal effects on sedimentation behaviors of two spheres. International Journal of Heat and Mass Transfer, 114, https://doi.org/10.1016/j.ijheatmasstransfer.2017.06.046

Gas-solid flows are commonly found in nature, as well as in industries. In such flows the size of the solid particles generally is not uniform. In addition, usually there is heat transfer between solid particles and gas flows. The hydrodynamics and h... Read More about Size and thermal effects on sedimentation behaviors of two spheres.

CFD optimisation of the thermal design for a vented electrical machine (2017)
Conference Proceeding
Bersch, K., Connor, P. H., Eastwick, C. N., Galea, M., & Rolston, R. (2017). CFD optimisation of the thermal design for a vented electrical machine. In 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (39-44). https://doi.org/10.1109/WEMDCD.2017.7947721

Optimisation algorithms hold the potential to dramatically reduce computational time whilst ensuring the optimal solution is found. Within this paper, the feasibility of using this novel approach on complex 3-D Computational Fluid Dynamics models, wh... Read More about CFD optimisation of the thermal design for a vented electrical machine.

A Tripropylene Glycol Diacrylate-based Polymeric Support Ink for Material Jetting (2017)
Journal Article
Aboulkhair, N., He, Y., Zhang, F., Saleh, E., Vaithilingam, J., Aboulkhair, N. T., …Wildman, R. D. (2017). A Tripropylene Glycol Diacrylate-based Polymeric Support Ink for Material Jetting. Additive Manufacturing, 16, 153-161. https://doi.org/10.1016/j.addma.2017.06.001

© 2017 Support structures and materials are indispensable components in many Additive Manufacturing (AM) systems in order to fabricate complex 3D structures. For inkjet-based AM techniques (known as Material Jetting), there is a paucity of studies o... Read More about A Tripropylene Glycol Diacrylate-based Polymeric Support Ink for Material Jetting.

“BAM”: a collaborative R&D project for the development of a simulation based solution for the design and manufacture of 3D woven composites (2017)
Conference Proceeding
Said, R., Müller, S., de Luca, P., Thompson, A., El Said, B., Hallett, S., …Potluri, P. (2017). “BAM”: a collaborative R&D project for the development of a simulation based solution for the design and manufacture of 3D woven composites.

Breakthrough Aerospace Materials (BAM) is a collaborative R&D project based in the UK [1]; led by industry and co-funded by the British Government via the Innovate-UK under its Aerospace Technology Institute (ATI) R&T Programme. The overall objective... Read More about “BAM”: a collaborative R&D project for the development of a simulation based solution for the design and manufacture of 3D woven composites.

Mixed ionic-electronic conduction in K1/2Bi1/2TiO3 (2017)
Journal Article
Li, L., Li, M., Reaney, I. M., & Sinclair, D. C. (2017). Mixed ionic-electronic conduction in K1/2Bi1/2TiO3. Journal of Materials Chemistry C, 5(25), https://doi.org/10.1039/C7TC01786C

Recently, it has been reported that the Pb-free piezoelectric perovskite Na1/2Bi1/2TiO3 (NBT) can be compositionally tuned by close control of the A-site starting stoichiometry to exhibit high levels of oxide-ion conduction. The related K1/2Bi1/2TiO3... Read More about Mixed ionic-electronic conduction in K1/2Bi1/2TiO3.

Lowering the cost of large-scale energy storage: high temperature adiabatic compressed air energy storage (2017)
Journal Article
Cárdenas, B., Pimm, A. J., Kantharaj, B., Simpson, M., Garvey, J., & Garvey, S. D. (2017). Lowering the cost of large-scale energy storage: high temperature adiabatic compressed air energy storage. Propulsion and Power Research, 6(2), https://doi.org/10.1016/j.jppr.2017.06.001

Compressed air energy storage is an energy storage technology with strong potential to play a significant role in balancing energy on transmission networks, owing to its use of mature technologies and low cost per unit of storage capacity. Adiabatic... Read More about Lowering the cost of large-scale energy storage: high temperature adiabatic compressed air energy storage.

Energy distribution modulation by mechanical design for electrochemical jet processing techniques (2017)
Journal Article
Mitchell-Smith, J., Speidel, A., Gaskell, J., & Clare, A. T. (2017). Energy distribution modulation by mechanical design for electrochemical jet processing techniques. International Journal of Machine Tools and Manufacture, 122, https://doi.org/10.1016/j.ijmachtools.2017.05.005

The increasing demand for optimised component surfaces with enhanced chemical and geometric complexity is a key driver in the manufacturing technology required for advanced surface production. Current methodologies cannot create complex surfaces in a... Read More about Energy distribution modulation by mechanical design for electrochemical jet processing techniques.

X-ray computed tomography and additive manufacturing in medicine: a review (2017)
Journal Article
Thompson, A., McNally, D., Maskery, I., & Leach, R. K. (in press). X-ray computed tomography and additive manufacturing in medicine: a review. International Journal of Metrology and Quality Engineering, 8, Article 17. https://doi.org/10.1051/ijmqe/2017015

The use of X-ray computed tomography (XCT) with additive manufacture (AM) within a medical context is examined in this review. The seven AM process families and various XCT scanning techniques are explained in brief, and the use of these technologies... Read More about X-ray computed tomography and additive manufacturing in medicine: a review.

A study of surface swelling caused by graphitisation during pulsed laser ablation of carbon allotrope with high content of sp ³ bounds (2017)
Journal Article
Cadot, G., Billingham, J., & Axinte, D. A. (in press). A study of surface swelling caused by graphitisation during pulsed laser ablation of carbon allotrope with high content of sp ³ bounds. Journal of Physics D: Applied Physics, 50(24), https://doi.org/10.1088/1361-6463/aa70fe

Experiments and theory are employed to investigate the laser ablation of boron doped diamond and tetrahedral amorphous carbon using nanosecond pulses. For a single pulse at low values of fluence, the laser induces a swelling of the surface due to gra... Read More about A study of surface swelling caused by graphitisation during pulsed laser ablation of carbon allotrope with high content of sp ³ bounds.

Microstructure measurement and microgeometric packing characterization of rigid polyurethane foam defects (2017)
Journal Article
Xu, J., Wu, T., Zhang, J., Chen, H., Sun, W., & Peng, C. (2017). Microstructure measurement and microgeometric packing characterization of rigid polyurethane foam defects. Cellular Polymers, 36(4),

Streak and blister cell defects pose extensive surface problems for rigid polyurethane foams. In this study, these morphological anomalies were visually inspected using 2D optical techniques, and the cell microstructural coefficients including degree... Read More about Microstructure measurement and microgeometric packing characterization of rigid polyurethane foam defects.

Characterization on insulation performance, poststability, and foaming process of rigid polyurethane sandwich panel for cold storage warehouse (2017)
Journal Article
Xu, J., Wu, T., Sun, W., & Peng, C. (2017). Characterization on insulation performance, poststability, and foaming process of rigid polyurethane sandwich panel for cold storage warehouse. Journal of Materials in Civil Engineering, 29(9), https://doi.org/10.1061/%28ASCE%29MT.1943-5533.0001984

Polyurethane (PU) is a commonly used insulation material for cold storage warehouses. The insulation performance of PU sandwich panels made from blended blowing agents were re-assessed by k-factor measurements and insulation thickness calculation bas... Read More about Characterization on insulation performance, poststability, and foaming process of rigid polyurethane sandwich panel for cold storage warehouse.

Experimental and numerical analysis of initial plasticity in P91 steel small punch creep samples (2017)
Journal Article
Cortellino, F., Sun, W., Rouse, J. P., Cacciapuoti, B., & Hyde, T. (in press). Experimental and numerical analysis of initial plasticity in P91 steel small punch creep samples. Experimental Mechanics, 57(8), https://doi.org/10.1007/s11340-017-0296-9

To date, the complex behaviour of small punch creep test (SPCT) specimens has not been completely understood, making the test hard to numerically model and the data difficult to interpret. This paper presents a novel numerical model able to generate... Read More about Experimental and numerical analysis of initial plasticity in P91 steel small punch creep samples.