Structural optimisation of random discontinuous fibre composites: Part 2 - case study

Qian, C.C.; Harper, L.T.; Turner, T.A.; Warrior, N.A.

doi:10.1016/j.compositesa.2014.09.004

Characterisation of soot in oil from a gasoline direct injection engine using Transmission Electron Microscopy (2015)
Journal Article
La Rocca, A., Bonatesta, F., Fay, M., & Campanella, F. (2015). Characterisation of soot in oil from a gasoline direct injection engine using Transmission Electron Microscopy. Tribology International, 86, 77-84. https://doi.org/10.1016/j.triboint.2015.01.025

In this work, an investigation of soot-in-oil samples drawn from the oil sump of a gasoline direct injection (GDI) engine was carried out. Soot particulate was characterised in terms of size, distribution and shape of the agglomerates, and internal s... Read More about Characterisation of soot in oil from a gasoline direct injection engine using Transmission Electron Microscopy.

Finite element modelling of the inertia friction welding of a CrMoV alloy steel including the effects of solid-state phase transformations (2015)
Journal Article
Bennett, C. (in press). Finite element modelling of the inertia friction welding of a CrMoV alloy steel including the effects of solid-state phase transformations. Journal of Manufacturing Processes, 18, https://doi.org/10.1016/j.jmapro.2015.01.003

Finite element (FE) process modelling of the inertia friction welding (IFW) between two tubular CrMoV components has been carried out using the DEFORM-2D (v10.2) software. This model has been validated against experimental test welds of the material;... Read More about Finite element modelling of the inertia friction welding of a CrMoV alloy steel including the effects of solid-state phase transformations.

Empirical evidence, evaluation criteria and challenges for the effectiveness of virtual and mixed reality tools for training operators of car service maintenance (2015)
Journal Article
Borsci, S., Lawson, G., & Broome, S. (2015). Empirical evidence, evaluation criteria and challenges for the effectiveness of virtual and mixed reality tools for training operators of car service maintenance. Computers in Industry, 67, https://doi.org/10.1016/j.compind.2014.12.002

The debate on effectiveness of virtual and mixed reality (VR/MR) tools for training professionals and operators is long-running with prominent contributions arguing that there are several shortfalls of experimental approaches and assessment criteria... Read More about Empirical evidence, evaluation criteria and challenges for the effectiveness of virtual and mixed reality tools for training operators of car service maintenance.

Inter-ply stitching optimisation of highly drapeable multi-ply preforms (2015)
Journal Article
Chen, S., Endruweit, A., Harper, L., & Warrior, N. (2015). Inter-ply stitching optimisation of highly drapeable multi-ply preforms. Composites Part A: Applied Science and Manufacturing, 71, https://doi.org/10.1016/j.compositesa.2015.01.016

An efficient finite element model has been developed in Abaqus/Explicit to solve highly non-linear fabric forming problems, using a non-orthogonal constitutive relation and membrane elements to model bi-axial fabrics. 1D cable-spring elements have be... Read More about Inter-ply stitching optimisation of highly drapeable multi-ply preforms.

Cyclic thermomechanical testing of 316 stainless steel (2015)
Journal Article
Buss, T., & Hyde, C. J. (in press). Cyclic thermomechanical testing of 316 stainless steel. Materials at High Temperatures, 32(3), https://doi.org/10.1179/0960340914Z.00000000068

Materials used for components such as power plant steam pipes, gas turbines discs and die forming machinery can be subject to combinations of extreme loading and temperature conditions. In addition, the materials can contain or develop cracks. Once a... Read More about Cyclic thermomechanical testing of 316 stainless steel.

The use of virtual reality and physical tools in the development and validation of ease of entry and exit in passenger vehicles (2015)
Journal Article
Lawson, G., Herriotts, P., Malcolm, L., Gabrecht, K., & Hermawati, S. (2015). The use of virtual reality and physical tools in the development and validation of ease of entry and exit in passenger vehicles. Applied Ergonomics, 48, https://doi.org/10.1016/j.apergo.2014.12.007

Ease of entry and exit is important for creating a positive first impression of a car and to increase customer satisfaction. Several methods are used within vehicle development to optimise ease of entry and exit, including CAD reviews, benchmarking... Read More about The use of virtual reality and physical tools in the development and validation of ease of entry and exit in passenger vehicles.

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.

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.

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.

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.

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