Goodall, Russell - University of Sheffield - Department of Materials Science and Engineering

个人简介

Russell Goodall joined the Department in 2008 from the Swiss Federal Institute of Technology (EPFL) in Lausanne, Switzerland. He obtained his MEng degree from Oxford University and his PhD from the University of Cambridge, before carrying out postdoctoral research at EPFL. He has extensive experience in the science of porous metals, and also works on alloy development, and the processing and thermal and mechanical characterisation of a range of new materials.

研究领域

Russell’s main research interests are in the processing, properties and applications of open-celled porous metals, the development of new alloys, especially High Entropy Alloys and alloys with silver, and in mechanical properties of materials. Porous Metals Replication process This work includes the use of the "replication" process to produce samples of open celled aluminium foam or sponge. In this process a preform of pressed or sintered NaCl grains or agglomerates is infiltrated with liquid aluminium, which occupies the spaces between the grains. After solidification, the salt can be dissolved in water to leave just the aluminium, which "replicates" the spaces in the original perform. This gives an open-celled foam structure with well-defined pore size and density. The relatively high thermal conductivity of pure aluminium (235 W m-1 K-1), combined with its low density and low cost make such materials interesting for applications requiring heat transfer from or to a fluid medium. http://monitor.icef.com/2015/02/virtual-tours-growing-popularity/Open-cell foams made from other metals such as titanium can have applications as biomedical implants and electrodes, amongst many others. As well as foams (with pores or cells in random locations), the group also works on porous structures with varying degrees of order, such as 3D lattice structures, which are increasingly easy to produce, even at large sizes and with complex designs, using advanced manufacturing techniques. Current challenges are the assessment of the suitability of processes for practical fabrication of foam parts, the development of methods to allow production of novel foam architectures, the characterisation of both the mechanical and thermal performance of the material and the further optimisation of the properties for certain applications.

近期论文

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G. Anand, R. Goodall, CL. Freeman, “Role of configurational entropy in body-centred cubic or face-centred cubic phase formation in high entropy alloys”, Scripta Materialia, 124 (2016) 90-94 Alexander J. Mackie, Gareth D. Hatton, Hugh G.C. Hamilton, Julian S. Dean, R. Goodall, “Carbon uptake in Spark Plasma Sintering (SPS) processed Sm(Co, Fe, Cu, Zr)z”, Materials Letters 171 (2016) 14-17 (Open Access) doi:10.1016/j.matlet.2016.02.049 E. Hernández-Nava, C.J. Smith, F. Derguti, S. Tammas-Williams, F. Leonard, P.J. Withers, I. Todd, R. Goodall, “The effect of defects on the mechanical response of Ti-6Al-4V cubic lattice structures fabricated by electron beam melting”, Acta Materialia 108 (2016) 279-292 (Open Access) doi:10.1016/j.actamat.2016.02.029 A. Amendola, C.J. Smith, R. Goodall, F. Auricchio, L. Feo, G. Benzoni and F. Fraternali, “Experimental Response of EBM-Manufactured Pentamode Materials Confined Between Stiffening Plates”, Composite Structures, 142 (2016) 254-262 A. Amendola, E. Hernandez-Nava, R. Goodall, I. Todd, R.E. Skelton, F. Fraternali “On the additive manufacturing, post-tensioning and testing of bi-material tensegrity structures”, Composite structures, 131 (2015) 66-71 E. Hernández-Nava, C.J. Smith, F. Derguti, S. Tammas-Williams, F. Leonard, P.J. Withers, I. Todd, R. Goodall “The effect of density and feature size on mechanical properties of iso-structural porous metals produced by additive manufacturing”, Acta Materialia, 85 (2015) 387-395 E.M. Elizondo Luna, F. Barari, R. Woolley and R. Goodall “Casting Protocols for the Production of Open Cell Aluminum Foams by the Replication Technique and the Effect on Porosity” Journal of Visualised Experiments. Date Published: 12/11/2014, Issue 94; See video article. T. Abdulla, A. Yerokhin and R. Goodall, “Enhancement in specific strength of open cell aluminium foams through plasma electrolytic oxidation treatment”, Scripta Materialia 75 (2014) 38–41 R. Goodall, J.-F. Despois & A. Mortensen, “The plasticity size effect in replicated microcellular aluminium”, Scripta Materialia, 69 (2013) 469-472 F. Diologent, R. Goodall & A. Mortensen, “Activation volume in microcellular aluminium: size-effects in thermally activated plastic flow”, Acta Materialia, 59 (18) (2011) 6869-6879 F. Diologent, R. Goodall, A. Mortensen, “Creep of Aluminium-Magnesium Open Cell Foam”, Acta Materialia, 57 (2009) 830-837