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Selective element fission approach for fast FEM simulation of incremental sheet forming based on dual-mesh system (2014)
Journal Article
Zhang, M. H., Lu, B., Chen, J., Long, H., & Ou, H. (2015). Selective element fission approach for fast FEM simulation of incremental sheet forming based on dual-mesh system. International Journal of Advanced Manufacturing Technology, 78(5-8), 1147-1160. https://doi.org/10.1007/s00170-014-6723-5

Incremental sheet forming (ISF) is a highly versatile and flexible process for producing low batches of sheet metal parts. Although finite element (FE) method is a key approach in the study of material deformation in metal forming processes, the appl... Read More about Selective element fission approach for fast FEM simulation of incremental sheet forming based on dual-mesh system.

Titanium based cranial reconstruction using incremental sheet forming (2014)
Journal Article
Lu, B., Ou, H., Shi, S., Long, H., & Chen, J. (2016). Titanium based cranial reconstruction using incremental sheet forming. International Journal of Material Forming, 9(3), 361-370. https://doi.org/10.1007/s12289-014-1205-8

In this paper, we report recent work in cranial plate manufacturing using incremental sheet forming (ISF) process. With a typical cranial shape, the ISF process was used to manufacture the titanium cranial shape by using different ISF tooling solutio... Read More about Titanium based cranial reconstruction using incremental sheet forming.

Electrolyte jet machining for surface texturing of Inconel 718 (2014)
Conference Proceeding
Mitchell-Smith, J., Murray, J., Kunieda, M., & Clare, A. (2014). Electrolyte jet machining for surface texturing of Inconel 718.

Electrolyte jet machining is an emerging non-conventional machining process which is capable of selectively applying multi-scale surface textures. Surfaces processed in this way do not suffer from thermal damage and hence this technique is highly sui... Read More about Electrolyte jet machining for surface texturing of Inconel 718.

Porous poly-ether ether ketone (PEEK) manufactured by a novel powder route using near-spherical salt bead porogens: characterisation and mechanical properties (2014)
Journal Article
Siddiq, A. R., & Kennedy, A. R. (2015). Porous poly-ether ether ketone (PEEK) manufactured by a novel powder route using near-spherical salt bead porogens: characterisation and mechanical properties. Materials Science and Engineering: C, 47, https://doi.org/10.1016/j.msec.2014.11.044

Porous PEEK structures with approximately 85% open porosity have been made using PEEK-OPTIMA® powder and a particulate leaching technique using porous, near-spherical, sodium chloride beads. A novel manufacturing approach is presented and compared wi... Read More about Porous poly-ether ether ketone (PEEK) manufactured by a novel powder route using near-spherical salt bead porogens: characterisation and mechanical properties.

Finite element modelling of the effect of temperature and neutron dose on the fracture behaviour of nuclear reactor graphite bricks (2014)
Journal Article
Wadsworth, M., Kyaw, S. T., & Sun, W. (2014). Finite element modelling of the effect of temperature and neutron dose on the fracture behaviour of nuclear reactor graphite bricks. Nuclear Engineering and Design, 280, https://doi.org/10.1016/j.nucengdes.2014.10.009

Graphite moderator bricks used within many UK gas-cooled nuclear reactors undergo harsh temperature and radiation gradients. They cause changes in material properties of graphite over extended periods of time. Consequently, models have been developed... Read More about Finite element modelling of the effect of temperature and neutron dose on the fracture behaviour of nuclear reactor graphite bricks.

Effects of compositions of filler, binder and porosity on elastic and fracture properties of nuclear graphite (2014)
Journal Article
Kyaw, S. T., Sun, W., & Becker, A. A. (2015). Effects of compositions of filler, binder and porosity on elastic and fracture properties of nuclear graphite. Journal of Nuclear Materials, 457, https://doi.org/10.1016/j.jnucmat.2014.10.071

Physical mechanisms at different length scales have to be taken into account while predicting the overall failure of nuclear graphite structures of advanced gas cooled graphite reactors. In this paper, the effect of composition of meso graphite phase... Read More about Effects of compositions of filler, binder and porosity on elastic and fracture properties of nuclear graphite.

Through-thickness permeability study of orthogonal and angle-interlock woven fabrics (2014)
Journal Article
Xiao, X., Endruweit, A., Zeng, X., Hu, J., & Long, A. C. (2015). Through-thickness permeability study of orthogonal and angle-interlock woven fabrics. Journal of Materials Science, 50(3), https://doi.org/10.1007/s10853-014-8683-4

Three-dimensional (3D) woven textiles, including orthogonal and angle-interlock woven fabrics, exhibit high inter-laminar strength in addition to good in-plane mechanical properties and are particularly suitable for lightweight structural application... Read More about Through-thickness permeability study of orthogonal and angle-interlock woven fabrics.

Selective laser melting (SLM) of pure gold for manufacturing dental crowns (2014)
Journal Article
Khan, M., & Dickens, P. (2014). Selective laser melting (SLM) of pure gold for manufacturing dental crowns. Rapid Prototyping Journal, 20(6), https://doi.org/10.1108/RPJ-03-2013-0034

Purpose This paper aims to present the application aspect of the work to manufacturing premolar and molar dental crowns by selective laser melting (SLM) of pure gold. Over the years different metals have been processed using laser-based Additive M... Read More about Selective laser melting (SLM) of pure gold for manufacturing dental crowns.

Experimental investigation of pressure-drop characteristics across multi-layer porous metal structures (2014)
Journal Article
Oun, H., & Kennedy, A. R. (in press). Experimental investigation of pressure-drop characteristics across multi-layer porous metal structures. Journal of Porous Materials, 21(6), https://doi.org/10.1007/s10934-014-9863-y

This study investigates the effect of airflow (in the range of 0–70 m s-1) on the pressure-drop characteristics for a novel multi-layered, nickel-based porous metal, as a function of thickness (affected by sectioning) and density (affected by compres... Read More about Experimental investigation of pressure-drop characteristics across multi-layer porous metal structures.

Heterogeneity of discontinuous carbon fibre composites: damage initiation captured by Digital Image Correlation (2014)
Journal Article
Johanson, K., Harper, L., Johnson, M. S., & Warrior, N. (2015). Heterogeneity of discontinuous carbon fibre composites: damage initiation captured by Digital Image Correlation. Composites Part A: Applied Science and Manufacturing, 68, https://doi.org/10.1016/j.compositesa.2014.10.014

This paper aims to identify architectural features which lead to damage initiation and failure in discontinuous carbon fibre composites formed from randomly orientated bundles. A novel multi-camera digital image correlation system was used to simulta... Read More about Heterogeneity of discontinuous carbon fibre composites: damage initiation captured by Digital Image Correlation.

Functionalisation of Ti6Al4V components fabricated using selective laser melting with a bioactive compound (2014)
Journal Article
Vaithilingam, J., Kilsby, S., Goodridge, R. D., Christie, S. D., Edmondson, S., & Hague, R. J. (2015). Functionalisation of Ti6Al4V components fabricated using selective laser melting with a bioactive compound. Materials Science and Engineering: C, 46, 52-61. https://doi.org/10.1016/j.msec.2014.10.015

Surface modification of an implant with a biomolecule is used to improve its biocompatibility and to reduce post-implant complications. In this study, a novel approach has been used to functionalise phosphonic acid monolayers with a drug. Ti6Al4V com... Read More about Functionalisation of Ti6Al4V components fabricated using selective laser melting with a bioactive compound.

Discrete element modelling of flexible fibre packing (2014)
Journal Article
Langston, P., Kennedy, A. R., & Constantin, H. (2015). Discrete element modelling of flexible fibre packing. Computational Materials Science, 96(A), https://doi.org/10.1016/j.commatsci.2014.09.007

This paper presents Discrete Element Model simulations of packing of non-cohesive flexible fibres in a cylindrical vessel. No interstitial fluid effects are modelled. Each fibre-particle is modelled as a series of connected sphero-cylinders. In an in... Read More about Discrete element modelling of flexible fibre packing.

Time-dependent mechanical behavior of human amnion: Macroscopic and microscopic characterization (2014)
Journal Article
Mauri, A., Perrini, M., Ehret, A. E., De Focatiis, D. S., & Mazza, E. (2015). Time-dependent mechanical behavior of human amnion: Macroscopic and microscopic characterization. Acta Biomaterialia, 11, https://doi.org/10.1016/j.actbio.2014.09.012

Characterizing the mechanical response of the human amnion is essential to understand and to eventually prevent premature rupture of fetal membranes. In this study, a large set of macroscopic and microscopic mechanical tests have been carried out on... Read More about Time-dependent mechanical behavior of human amnion: Macroscopic and microscopic characterization.

Structural optimisation of random discontinuous fibre composites: Part 2 - case study (2014)
Journal Article
Qian, C., Harper, L., Turner, T., & Warrior, N. (2015). Structural optimisation of random discontinuous fibre composites: Part 2 - case study. Composites Part A: Applied Science and Manufacturing, 68, Article 417-424. https://doi.org/10.1016/j.compositesa.2014.09.004

This is the second paper in a two part series presenting the development of a stiffness optimisation algorithm to intelligently optimise the fibre architecture of discontinuous fibre composites. A Multi-Criteria Decision Making (MCDM) strategy is use... Read More about Structural optimisation of random discontinuous fibre composites: Part 2 - case study.

The role of deformation history on stress relaxation and stress memory of filled rubber (2014)
Journal Article
Fernandes Arruebarrena, V. A., & De Focatiis, D. S. (2014). The role of deformation history on stress relaxation and stress memory of filled rubber. Polymer Testing, 40, https://doi.org/10.1016/j.polymertesting.2014.08.018

Although the magnitudes of inelastic and viscoelastic effects in filled rubbers are small relative to that of the elastic response, these effects are nevertheless critical in applications such as gaskets, seals and dampers. This study investigates th... Read More about The role of deformation history on stress relaxation and stress memory of filled rubber.

Structural optimisation of random discontinuous fibre composites: Part 1 – Methodology (2014)
Journal Article
Qian, C., Harper, L., Turner, T., & Warrior, N. (2015). Structural optimisation of random discontinuous fibre composites: Part 1 – Methodology. Composites Part A: Applied Science and Manufacturing, 68, 406-416. https://doi.org/10.1016/j.compositesa.2014.08.024

This paper presents a finite element model to optimise the fibre architecture of components manufactured from discontinuous fibre composites. An optimality criterion method has been developed to maximise global component stiffness, by determining opt... Read More about Structural optimisation of random discontinuous fibre composites: Part 1 – Methodology.

Discrete element modelling of the packing of spheres and its application to the structure of porous metals made by infiltration of packed beds of NaCl beads (2014)
Journal Article
Langston, P., & Kennedy, A. R. (2014). Discrete element modelling of the packing of spheres and its application to the structure of porous metals made by infiltration of packed beds of NaCl beads. Powder Technology, 268, 210-218. https://doi.org/10.1016/j.powtec.2014.08.018

A numerical model, using the discrete element method, has been developed to quantify specific parameters that are pertinent to the packing behaviour of relatively large, spherical NaCl beads and mixtures of beads of different sizes. These parameters... Read More about Discrete element modelling of the packing of spheres and its application to the structure of porous metals made by infiltration of packed beds of NaCl beads.

The local environment of Dy3+in selenium-rich chalcogenide glasses (2014)
Journal Article
Barney, E. R., Tang, Z., Seddon, A., Furniss, D., Sujecki, S., Benson, T. M., …Gianolio, D. (in press). The local environment of Dy3+in selenium-rich chalcogenide glasses. RSC Advances, 4(80), https://doi.org/10.1039/C4RA07192A

The environment of Dy3+ is investigated when it is added as DyCl3 or Dy foil into two base glasses, Ge16.5As19−xGaxSe64.5, where x = 3 or 10 at%, at doping levels between 0 and 3000 parts per million by weight (ppmw) Dy3+. Extended X-ray Absorption F... Read More about The local environment of Dy3+in selenium-rich chalcogenide glasses.

Effect of the build orientation on the mechanical properties and fracture modes of SLM Ti–6Al–4V (2014)
Journal Article
Simonelli, M., Tse, Y., & Tuck, C. (2014). Effect of the build orientation on the mechanical properties and fracture modes of SLM Ti–6Al–4V. Materials Science and Engineering: A, 616, https://doi.org/10.1016/j.msea.2014.07.086

Recent research on the additive manufacturing (AM) of Ti alloys has shown that the mechanical properties of the parts are affected by the characteristic microstructure that originates from the AM process. To understand the effect of the microstructur... Read More about Effect of the build orientation on the mechanical properties and fracture modes of SLM Ti–6Al–4V.

An experimental study into the effects of bulk and flow behaviour of laser sintering polymer powders on resulting part properties (2014)
Journal Article
Ziegelmeier, S., Christou, P., Wöllecke, F., Tuck, C., Goodridge, R. D., Hague, R. J., …Wintermantel, E. (2015). An experimental study into the effects of bulk and flow behaviour of laser sintering polymer powders on resulting part properties. Journal of Materials Processing Technology, 215, https://doi.org/10.1016/j.jmatprotec.2014.07.029

The properties of parts manufactured by laser sintering (LS) are, amongst others, influenced by the packing and flow efficiencies of the powders being processed. In particular, this study investigated the influence of the bulk and flow characteris... Read More about An experimental study into the effects of bulk and flow behaviour of laser sintering polymer powders on resulting part properties.