• Micro-impact testing of AlTiN and TiAlCrN coatings 

  Beake, Ben D.; Isern, Luis; Endrino, Jose L.; Fox-Rabinovich, German S. (Elsevier, 2018-11-23)

  A novel micro-scale repetitive impact test has been developed to assess the fracture resistance of hard coatings under dynamic high strain rate loading. It is capable of significantly higher impact energies than in the ...
• Lightweight photovoltaic composite structure on stratospheric airships 

  Zhang, Xinyun; Sun, Kangwen; Xu, Dongdong; Guo, Shijun (Hindawi, 2018-12-12)

  A semirigid solar array is an efficient energy system on the surface of stratospheric airships for utilizing the solar energy, which we believe that it has succeeded in providing some impressive results for conceptual ...
• Thermal modelling of linear friction welding 

  Jedrasiak, P.; Shercliff, H. R.; McAndrew, Anthony; Colegrove, Paul A. (Elsevier, 2018-06-23)

  This paper presents a finite element thermal model for linear friction welding applied to an instrumented weld in Ti6Al4V. The power at the weld interface was estimated from the measured transverse velocity and the cyclic ...
• A literature review of Ti-6Al-4V linear friction welding 

  McAndrew, Anthony R.; Colegrove, Paul A.; Bühr, Clement; Flipo, Bertrand C. D.; Vairis, Achilleas (Elsevier, 2018-10-25)

  Linear friction welding (LFW) is a solid-state joining process that is an established technology for the fabrication of titanium alloy bladed disks (blisks) in aero-engines. Owing to the economic benefits, LFW has been ...
• Analytical process model for wire + arc additive manufacturing 

  Sergio, Rios; Colegrove, Paul A.; Martina, Filomeno; Williams, Stewart W. (Elsevier, 2018-04-03)

  An analytical process model for predicting the layer height and wall width from the process parameters was developed for wire + arc additive manufacture of Ti-6Al-4V, which includes inter-pass temperature and material ...
• Advanced gas turbine cycle performance modelling using response surface methods 

  Seetharama-Yadiyal, V.; Brighenti, Giovanni D.; Pavlos, Zachos (Cambridge University Press, 2018-10-26)

  Surrogate models are widely used for dataset correlation. A popular application very frequently shown in public literature is in the field of engineering design where a large number of design parameters is correlated with ...
• On visualizing continuous turbulence scales 

  Liu, Xiaopei; Mishra, Maneesh; Skote, Martin; Fu, Chi‐Wing (Wiley, 2018-08-06)

  Turbulent flows are multi‐scale with vortices spanning a wide range of scales continuously. Due to such complexities, turbulence scales are particularly difficult to analyse and visualize. In this work, we present a novel ...
• Wall oscillation induced drag reduction zone in a turbulent boundary layer 

  Skote, Martin; Mishra, Maneesh; Wu, Yanhua (Springer, 2018-08-30)

  Spanwise oscillation applied on the wall under a turbulent boundary layer flow is investigated using direct numerical simulation. The temporal wall-forcing produces a considerable drag reduction (DR) over the region where ...
• A systems dynamics enabled real-time efficiency for fuel cell data-driven remanufacturing 

  Okorie, Okechukwu; Salonitis, Konstantinos; Charnley, Fiona; Turner, Christopher (MDPI, 2018-11-06)

  Remanufacturing is a viable option to extend the useful life of an end-of-use product or its parts, ensuring sustainable competitive advantages under the current global economic climate. Challenges typical to remanufacturing ...
• Digitisation and the circular economy: A review of current research and future trends 

  Okorie, Okechukwu; Salonitis, Konstantinos; Charnley, Fiona; Moreno, Moreno; Turner, Christopher; Tiwari, Ashutosh (MDPI, 2018-11-01)

  Since it first appeared in literature in the early nineties, the Circular Economy (CE) has grown in significance amongst academic, policymaking, and industry groups. The latest developments in the CE field have included ...
• Lightning strike and delamination performance of metal tufted carbon composites 

  Lombetti, D. M.; Skordos, Alexandros A. (Elsevier, 2018-11-03)

  This paper reports the development of multifunctional composites based on the use of metallic tufting. Stainless steel and copper are used to modify the through thickness mechanical and electrical behaviour of epoxy/carbon ...
• Formation of TiC-Cu nanocomposites by a reaction between Ti25Cu75 melt-spun alloy and carbon 

  Dudina, Dina V.; Korchagin, Michail A.; Gavrilov, Alexander I.; Bulina, Natalia V.; Batraev, Igor S.; Esikov, Maksim A.; Georgarakis, Konstantinos; Kato, Hidemi (Elsevier, 2018-10-02)

  In this work, Ti25Cu75 melt-spun partially amorphous alloy was used as a source of Ti and Cu to synthesize in-situ TiC-Cu nanocomposites. The reaction between the alloy and carbon started during ball milling and continued ...
• Probing heat generation during tensile plastic deformation of a bulk metallic glass at cryogenic temperature 

  Brennhaugen, David D. E.; Georgarakis, Konstantinos; Yokoyama, Yoshihiko; Nakayama, Koji S.; Arnberg, Lars; Aune, Ragnhild E. (Nature Publishing Group, 2018-11-05)

  Despite significant research efforts, the deformation and failure mechanisms of metallic glasses remain not well understood. In the absence of periodic structure, these materials typically deform in highly localized, thin ...
• Meta-heuristic global optimization algorithms for aircraft engines modelling and controller design; A review, research challenges, and exploring the future 

  Jafari, Soheil; Nikolaidis, Theoklis (Elsevier, 2018-12-04)

  Utilizing meta-heuristic global optimization algorithms in gas turbine aero-engines modelling and control problems is proposed over the past two decades as a methodological approach. The purpose of the review is to establish ...
• Performance-based fault diagnosis of a gas turbine engine using an integrated support vector machine and artificial neural network method 

  Fentaye, Amare; Ul-Haq Gilani, Syed Ihtsham; Baheta, Aklilu Tesfamichael; Li, Yi-Guang (SAGE, 2018-11-18)

  An effective and reliable gas path diagnostic method that could be used to detect, isolate, and identify gas turbine degradations is crucial in a gas turbine condition-based maintenance. In this paper, we proposed a new ...
• Behavioural culpability for traffic accidents 

  Dorn, Lisa; af Wåhlberg, Anders E. (Elsevier, 2018-12-03)

  This study presents a description of the concept of behavioural culpability, a step-by-step manual for using it, and an empirical test of a suspected mis-classification of culpability. Behavioural culpability is defined ...
• Multidisciplinary methodology for turbine overspeed analysis 

  Eryilmaz, Ibrahim; Pawsey, Lucas; Pachidis, Vassilios (Cambridge University Press, 2018-11-15)

  In this paper, an integrated approach to turbine overspeed analysis is presented, taking into account the secondary air system dynamics and mechanical friction in a turbine assembly following an unlocated high-pressure ...
• Tandem Metal Inert Gas process for high productivity Wire Arc Additive Manufacturing in stainless steel 

  Martina, Filomeno; Ding, Jialuo; Williams, Stewart; Caballero, Armando; Pardal, Gonçalo; Quintino, Luisa (Elsevier, 2018-11-19)

  This study investigates the feasibility of achieving high deposition rate using wire + arc additive manufacturing in stainless steel to reduce lead time and cost of manufacturing. The pulse MIG welding technique with a ...
• Assessing the leanness of a supply chain using multi-grade fuzzy logic: a health-care case study 

  Almutairi, Abdulaziz Marzouq; Salonitis, Konstantinos; Al-Ashaab, Ahmed (Emerald, 2018-07-20)

  Purpose Numerous and diverse organizations have implemented lean principles and practices, which concentrate on improving the efficiency of business processes by reducing cost, waste, consumptions and effort. However, ...
• ARTEMIS: A complete mission architecture to bridge the gap between humanity and near-Earth asteroids 

  Cano, Jorge; Cunill, Jordi; Diaz, Albert Josep; Golemis, Aris; Gupta, Subham; Innes, Daniel; Maiden, David; March, Kieran; Rael, Harvey; Shawe, James; Sierra, Victor; Torrents, Alejandro; Zorzoli Rossi, Elena; Machuca, Pablo; Neves, Rita; Sanchez Cuartielles, Joan Pau (International Astronautical Federation, 2018-10-01)

  Asteroid retrieval missions have recently attracted increasing interest from the community and could provide opportunities for scienti c exploration, resource utilisation and even the development of planetary defence ...

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