OxfordMicromechanics Publications

Publications
2013	Effect of sliding speed and counterface properties on the tribo-oxidation of brush seal material under dry sliding conditions MR Thakare, JF Mason, AK Owen, DRH Gillespie, AJ Wilkinson, G Franceschini Tribology International (2013) available online 18 February 2013 doi:10.1016/j.triboint.2013.02.010 Controlling the Orientation, Edge Geometry and Thickness of Chemical Vapor Depostion Graphene AT Murdock, A Koos, TB Britton, L Houben, T Batten, T Zhang, AJ Wilkinson, RE Dunin-Borkowski, CE Lekka, N Grobert ACS Nano, (2013), vol. 7 ,1351–1359 doi:10.1021/nn3049297 Measurement of geometrically necessary dislocation density with high resolution electron backscatter diffraction: Effects of detector binning and step size J Jiang, TB Britton and AJ Wilkinson Ultramicroscopy, (2013), vol. 125, 1-9 doi:10.1016/j.ultramic.2012.11.003
2012	Planes Strains and EBSD in Materials Science AJ Wilkinson and TB Britton Materials Today, (2012), vol. 15, 366-376 doi:10.1016/S1369-7021(12)70163-3 Stress fields and geometrically necessary dislocation density distributions near the head of a blocked slip band TB Britton and AJ Wilkinson Acta Materialia, (2012), vol. 60, 5773–5782 doi:10.1016/j.actamat.2012.07.004 Geometrically necessary dislocation density distributions in cyclically deformed Ti–6Al–4V PD Littlewood and AJ Wilkinson Acta Materialia, (2012), vol. 60, 5516–5525 doi:10.1016/j.actamat.2012.07.003 Transmission electron microscopy of deformed Ti–6Al–4 V micro-cantilevers R Ding, J Gong, AJ Wilkinson and IP Jones Philosophical Magazine, (2012), vol. 92, 3290–3314 doi:10.1080/14786435.2012.700414 Use of a dislocation-based boundary element model to extract crack growth rates from depth distributions of intergranular stress corrosion cracks A Stoll and AJ Wilkinson Acta Materialia, (2012), vol. 60, 5101–5108 doi:10.1016/j.actamat.2012.06.002 Determination of the complete microscale residual stress tensor at a subsurface carbide particle in a single-crystal superalloy from free-surface EBSD ME Kartal, FPE Dunne and AJ Wilkinson Acta Materialia, (2012), vol. 60, 5300–5310 doi:10.1016/j.actamat.2012.06.027 Accumulation of geometrically necessary dislocations near grain boundaries in deformed copper J Jiang, TB Britton, AJ Wilkinson Philosophical Magazine Letters, (2012), vol. 92, 580-588 doi:10.1080/09500839.2012.700412 Crystal Plasticity Analysis of Micro-Deformation, Lattice Rotation and Geometrically Necessary Dislocation Density FPE Dunne, R Kiwanuka, AJ Wilkinson Proc. Royal Society A, (2012), vol. 468, 2509-2531 doi:10.1098/rspa.2012.0050 Rapid Nondestructive Analysis of Threading Dislocations inWurtzite Materials Using the Scanning Electron Microscope G Naresh-Kumar, B Hourahine, PR Edwards, AP Day, A Winkelmann, AJ Wilkinson, PJ Parbrook, G England and C Trager-Cowan Physical Review Letters, (2012), vol. 108, 135503 doi:10.1103/PhysRevLett.108.135503 Local Deformation Patterns in Ti-6Al-4V under tensile, fatigue and dwell fatigue loading PD Littlewood and AJ Wilkinson International Journal of Fatigue, (2012), vol. 43, 111-119 doi:10.1016/j.ijfatigue.2012.03.001 Nanoindentation and micro-mechanical fracture toughness of electrodeposited nanocrystalline Ni–W alloy films DEJ Armstrong, ASMA Haseeb, SG Roberts, AJ Wilkinson, and K Bade Thin Solid Films, (2012), vol. 520, 4369–4372 doi:10.1016/j.tsf.2012.02.059 High resolution electron backscatter diffraction measurements of elastic strain variations in the presence of larger lattice rotations TB Britton and AJ Wilkinson Ultramicroscopy, (2012), vol. 114, 82-95 doi:10.1016/j.ultramic.2012.01.004
2011	Mechanical properties of ion-implanted tungsten–5wt% tantalum DEJ Armstrong, AJ Wilkinson and SG Roberts Physica Scripta, (2011), vol. T145, 014076 doi:10.1088/0031-8949/2011/T145/014076 Assessment of lattice strain, rotation and dislocation content using electron back-scatter diffraction AJ Wilkinson Journal of Physics: Conference Series, (2011), vol. 59, 6489-6500 doi:10.1088/1742-6596/326/1/012004 Geometrically necessary dislocation density distributions in Ti–6Al–4V deformed in tension PD Littlewood, TB Britton, AJ Wilkinson Acta Materialia, (2011), vol. 59, 6489-6500 doi:10.1016/j.actamat.2011.07.016 A microcantilever investigation of size effect, solid-solution strengthening and second-phase strengthening for <a> prism slip in alpha-Ti J Gong and, AJ Wilkinson Acta Materialia, (2011), vol. 59, 5970-5981 doi:10.1016/j.actamat.2011.06.005 Measurement of residual elastic strain and lattice rotations with high resolution electron backscatter diffraction TB Britton and AJ Wilkinson Ultramicroscopy, (2011) vol. 111, 1395-1404 doi:10.1016/j.ultramic.2011.05.007 Micro-mechanical measurements of fracture toughness of bismuth embrittled copper grain boundaries DEJ Armstrong, AJ Wilkinson, SG Roberts Philosophical Magazine Letters, (2011), vol. 91, 394-400 doi: 10.1080/09500839.2011.573813 Micro-cantilever testing of a prismatic slip in commercially pure Ti JC Gong, AJ Wilkinson Philosophical Magazine, (2011), vol. 91, 1137 - 1149 doi:10.1080/14786435.2010.495359 High resolution electron back-scatter diffraction analysis of thermally and mechanically induced strains near carbide inclusions in a superalloy PS Karamched and, AJ Wilkinson Acta Materialia, (2011), vol. 59, 263-272 doi:10.1016/j.actamat.2010.09.030
2010	Factors affecting the accuracy of High resolution electron backscatter diffraction when using simulated patterns TB Britton, C Maurice, R Fortunier, JH Driver, AP Day, G Meaden, DJ Dingley, K Mingard and, AJ Wilkinson Ultramicroscopy, (2010), vol. 110, 1443-1453 doi:10.1016/j.ultramic.2010.08.001 Elastic strain tensor measurement using electron backscatter diffraction in the SEM DJ Dingley, AJ Wilkinson, G Meaden, PS Karamched Journal of Electron Microscopy, (2010), vol. 59, S155-S163 doi:10.1093/jmicro/dfq043 High-resolution electron backscatter diffraction: an emerging tool for studying local deformation AJ Wilkinson, EE Clarke, TB Britton, P Littlewood, PS Karamched Journal of Strain Analysis for Engineering Design, (2010), vol. 45, 365-376 doi:10.1243/03093247JSA587 Investigation of elastic properties of single-crystal α-Ti using microcantilever beams J Gong and AJ Wilkinson Philosophical Magazine Letters, (2010), vol. 90, 503-512 doi:10.1080/09500831003772989 Determination of elastic strain fields and geometrically necessary dislocation distributions near nanoindents using electron back scatter diffraction AJ Wilkinson and D Randman Philosophical Magazine, (2010), vol. 90, 1159-1177 doi:10.1080/14786430903304145 Dislocation modeling of quasi-static crack propagation in an elasto-plastic medium A Stoll and AJ Wilkinson Int. J. Fracture, (2010), vol. 164, 103-115 doi:10.1007/s10704-010-9459-8 Electron backscatter diffraction study of dislocation content of a macrozone in hot-rolled Ti–6Al–4V alloy TB Britton, S Birosca, M Preuss and AJ Wilkinson Scripta Materialia, (2010), vol. 62, 639-642 doi:10.1016/j.scriptamat.2010.01.010 The effect of crystal orientation on the indentation response of commercially pure titanium: experiments and simulations TB Britton, H Liang, FPE Dunne and AJ Wilkinson Proceedings of the Royal Society A, (2010), vol. 466, 695-719 doi: 10.1098/rspa.2009.0455
2009	Characterisation of plastic zones around crack-tips in pure single-crystal tungsten using electron backscatter diffraction JD Murphy, AJ Wilkinson and SG Roberts IOP Conf. Series: Materials Science and Engineering, (2009), vol. 3, 012015 doi:10.1088/1757-899X/3/1/012015 Measuring anisotropy in Young’s modulus of copper using microcantilever testing DEJ Armstrong, AJ Wilkinson and SG Roberts J. Materials Research, (2009), vol. 24, 3268-3276 doi:10.1557/JMR.2009.0396 Anisotropy in the Plastic Flow Properties of Single Crystal Alpha Titanium Determined from Micro Cantilever Beams J Gong and AJ Wilkinson Acta Materialia, (2009), vol. 57, 5693-5705 doi:10.1016/j.actamat.2009.07.064 Mapping strains at the nanoscale using electron back scatter diffraction AJ Wilkinson, G Meaden, DJ Dingley Superlattices and Microstructures, (2009), vol. 45, 285-294 doi:10.1016/j.spmi.2008.10.046 A nanoindentation study of slip transfer phenomenon at grain boundaries TB Britton, D Randman, and AJ Wilkinson J. Materials Research, (2009), vol. 24, 607-614 doi:10.1557/JMR.2009.0088
2008	Ductile-brittle transition of poly-crystalline iron and iron-chromium alloys M Tanaka, AJ Wilkinson, SG Roberts J. Nuclear Materials, (2008) vol. 378, 305-311 doi:10.1016/j.jnucmat.2008.06.039 Electron Channeling and Ion Channeling Contrast Imaging of Dislocations in Nitride Thin Films C Trager-Cowan, F Sweeney, PR Edwards, FL Dynowski, AJ Wilkinson, A Winkelmann, AP Day, T Wang, PJ Parbrook, IM Watson, and DC Joy Microscopy & Microanalysis, (2008), vol. 14 (Suppl 2), 1194-1195 doi:10.1017/S1431927608086856
2007	Brittle-ductile transitions in vanadium and iron-chromium TD Joseph, M Tanaka, A. J. Wilkinson, and SG Roberts J. Nuclear Materials, (2007), vol. 367-370, 637-643 doi: 10.1016/j.jnucmat.2007.03.077 Electron backscatter diffraction and electron channeling contrast imaging of tilt and dislocations in nitride thin films C. Trager-Cowan and F. Sweeney, P. W. Trimby, A. P. Day, A. Gholinia, and N.-H. Schmidt, P. J. Parbrook, A. J. Wilkinson, and I. M. Watson Physical Review B, (2007), vol. 75, 085301 doi: 10.1103/PhysRevB.75.085301 Low-temperature fracture mechanisms in a spheroidised reactor pressure vessel steel A. Kumar, S. G. Roberts and A. J. Wilkinson, Int J Fracture, (2007), vol. 144,121-129 doi: 10.1007/s10704-007-9084-3 Quasi-cleavage fracture planes in spheroidized A533B steel A. Kumar, A. J. Wilkinson, and S. G. Roberts, J Microscopy, (2007), vol. 227, 248-253 doi: 10.1111/j.1365-2818.2007.01808.x Experimental and Computational Studies of Low Cycle Fatigue Crack Initiation in a Polycrystal FPE Dunne, AJ Wilkinson, R Allen Int J Plasticity, (2007), vol. 23, 273-295 doi:10.1016/j.ijplas.2006.07.001
2006	High resolution measurements of strain and tilt distributions in SiGe mesas using electron backscatter diffraction Wilkinson AJ Applied Physics Letters, (2006), vol. 89, 241910 doi:10.1063/1.2403904 Quantification of plastic strain of stainless steel and nickel alloy by electron backscatter diffraction Kamaya M, Wilkinson AJ, Titchmarsh JM Acta Materialia (2006), vol. 54, 239-248 doi:10.1016/j.actamat.2005.08.046 High Resolution Elastic Strain Measurement from Electron Backscatter Diffraction Patterns :- New Levels of Sensitivity Wilkinson A. J., Meaden G. and Dingley D. J. Ultramicroscopy (2006), vol. 106, 307-313 doi:10.1016/j.ultramic.2005.10.001 Characterising Dislocation Structure Evolution during Cyclic Deformation using Electron Channelling Contrast Imaging Ahmed J, Wilkinson A J and Roberts S G invited paper for Special Issue of Philosophical Magazine celebrating “50 years of TEM of Dislocations” Philosophical Magazine (2006), vol 86, 4965-4981 doi:10.1080/14786430600710941 High resolution mapping of strains and rotations using electron backscatter diffraction Wilkinson A. J., Meaden G. and Dingley D. J. Materials Science and Technology (2006) vol.22, 1271-1278 doi:10.1179/174328406X130966 Characterisation of nitride thin films by electron backscatter diffraction and electron channelling contrast imaging C. Trager-Cowan, F. Sweeney, A. Winkelmann, A. J. Wilkinson, P. W. Trimby, A. P. Day, A. Gholinia, N. H. Schmidt, P. J. Parbrook and I. M. Watson Materials Science and Technology (2006) vol.22, 1352-1358 doi:10.1179/174328406X130957
2005	Measurement of plastic strain of polycrystalline material by electron backscatter diffraction Kamaya M, Wilkinson AJ, Titchmarsh JM Nuclear Engineering & Design (2005), vol. 235 , 713-725 doi:10.1016/j.nucengdes.2004.11.006
2004
2003
2002	Modelling the initiation of cleavage fracture of ferritic steels Roberts SG, Noronha SJ, Wilkinson AJ and Hirsch PB Acta Materialia (2002), vol. 50, 1229-1244 doi:10.1016/S1359-6454(01)00425-6 High temperature fatigue crack growth in powder processed nickel based superalloy U720Li Tucker AM, Henderson MB, Wilkinson AJ, Hide NJ, and Reed PAS Materials Science and Technology (2002), vol. 18, 349-353 doi:10.1179/026708302225001840 Orientation dependence of the high cycle fatigue properties in a hot-cross rolled Al-Li 8090 alloy plate Zhai T, Wilkinson AJ, and Martin JW Materials Science Forum (2002), vol. 396-402, 1279-1284
2001	Electron channelling contrast imaging characterization of dislocation structures associated with extrusion and intrusion systems and fatigue cracks in copper single crystals Ahmed J, Wilkinson A J and Roberts S G Philosophical Magazine (2001), vol 81, 1473-1488 doi:10.1080/01418610010001303 A new method for determining small misorientations from electron back scatter diffraction patterns Wilkinson AJ Scripta Materialia (2001), vol. 44, 2379-2385 doi:10.1016/S1359-6462(01)00943-5 Modelling the effects of texture on the statistics of stage I fatigue crack growth Wilkinson AJ Philosophical Magazine (2001), vol 81, 841-855 doi:10.1080/01418610151133276 Grain boundary misorientation and thermal grooving in cube-textured Ni and Ni-Cr tape Gladstone TA, Moore JC, Wilkinson AJ and Grovenor CRM IEEE Transactions on Applied Superconductivity (2001), vol. 11, 2923-2926 doi:10.1080/01418610151133276
2000	A crystallographic mechanism for fatigue crack propagation through grain boundaries Zhai T,Wilkinson AJ and Martin JW Acta Materialia (2000), vol.48, 4917-4927 doi:10.1016/S1359-6454(00)00214-7 Measurement of fatigue crack plastic zones in fine-grained materials using electron backscatter diffraction Tucker AM, Wilkinson AJ, Henderson MB and Martin JW Material Science and Technology (2000), vol.16, 457-462 link to article on Ingenta Connect Control of texture in Ag and Ag-alloy substrates for superconducting tapes Gladstone TA, Moore JC, Henry BM, Speller S, Salter CJ, Wilkinson AJ and Grovenor CRM Superconductor Science and Technology (2000), vol. 13, 1399-1407 doi:10.1088/0953-2048/13/9/319 Effects of micro-texture and β′ particle distribution on short fatigue crack growth in an Al-Li 8090 alloy Zhai, T., Wilkinson, A.J., Martin, J.W. Materials Science Forum (2000), vol. 331-3, 1549-1554 Advances in SEM based diffraction studies of defects and strains in semiconductors Wilkinson AJ Journal of Electron Microscopy (2000), vol.49, 299-310 link to paper in oxfordjournals.org
1999	Sample geometry effect in four point bend fatigue Zhai T, Xu YG, Martin JW, Wilkinson AJ and Briggs GAD International Journal of Fatigue (1999), vol. 21, 889-894 doi:10.1016/S0142-1123(99)00084-5 Influence of grain orientations on the initiation of fatigue damage in an Al-Li alloy Taylor CJ, Zhai T, Wilkinson AJ and Martin JW Journal of Microscopy (1999), vol. 195, 239-247 doi:10.1046/j.1365-2818.1999.00573.x Study of dislocation structures near fatigue cracks using electron channelling contrast imaging technique (ECCI) Ahmed J, Wilkinson AJ and Roberts SG Journal of Microscopy (1999), vol. 195, 197-203 doi:10.1046/j.1365-2818.1999.00574.x Decoherence in electron backscattering by kinked dislocations Dudarev S. L., Ahmed J., Hirsch P. B., and Wilkinson A. J. Acta Crystallographica (1999), vol. A55, 234-245 doi:10.1107/S0108767398014810 Fabrication of biaxially textured Ni substrates and LaNiO3 buffer layers for Tl-1223 thick films Gladstone TA, Moore JC, Wilkinson AJ, and Grovenor CRM IEEE Trans. on Applied Superconductivity (1999), vol. 9, 2252-2255 link to paper at ieee.org
1998	Microstructural studies of Tl2Ba2Ca2Cu3Ox thin films on LaAlO3 and MgO substrates Bramley AP, Wilkinson AJ, Jenkins AP and Grovenor CRM Journal of Superconductivity (1998), vol. 11, 71-72 doi:10.1023/A:1022685913672 On the secondary recrystallisation of MA754 Miodownik MA, Wilkinson AJ and Martin JW Acta Materialia (1998), vol. 46, 2809-2821 doi:10.1016/S1359-6454(97)00460-6 Detection of small lattice strains using beam rocking on a nuclear microprobe deKerckhove DG, Breese MBH, Wilkinson AJ, and Grime GW Nuclear Instruments & Methods in Physics Research Section B- Beam Interactions with Materials and Atoms (1998), vol. 138, 1240-1243 doi:10.1016/S0168-583X(98)80020-7 Modelling the threshold conditions for the propagation of a stage I fatigue crack Wilkinson AJ, Roberts SG and Hirsch PB Acta Materialia (1998), vol. 46, 379-390 doi:10.1016/S1359-6454(97)00290-5
1997	Characterising dislocation structures in bulk fatigued copper single crystals using electron channelling contrast imaging (ECCI) Ahmed J, Wilkinson AJ and Roberts SG Philosophical Magazine Letters (1997), vol. 76, 237-245 doi:10.1080/095008397178986 Methods for determining elastic strains from electron back scatter diffraction and electron channelling patterns Wilkinson AJ Materials Science and Technology (1997), vol. 13, 79-84 [no online version available] Electron diffraction based techniques in scanning electron microscopy of bulk materials Wilkinson AJ and Hirsch PB MICRON (1997), vol. 28, 279-308 (invited review paper) doi:10.1016/S0968-4328(97)00032-2
1996	A dislocation model for the two critical stress intensities required for threshold fatigue crack propagation Wilkinson AJ, Roberts SG Scripta Materialia (1996), vol. 35, 1365-1371 doi:10.1016/1359-6462(96)00301-6 Fatigue damage at room temperature in aluminium single crystals - III. Lattice rotation Zhai T, Martin JW, Briggs GAD, Wilkinson AJ Acta Materialia (1996), vol. 44, 3477-3488 doi:10.1016/1359-6454(96)00026-2 Examination of fatigue crack plastic zones using scanning-electron-microscope-based electron diffraction techniques Wilkinson AJ, Henderson MB, and Martin JW Philosophical Magazine Letters (1996), vol. 74, 145-151 doi:10.1080/095008396180290 Observation of strain distributions in partially relaxed In0·2Ga0·8As on GaAs using electron channelling contrast imaging Wilkinson AJ Philosophical Magazine Letters (1996), vol. 73, 337-344 doi:10.1080/095008396180605 Measurement of elastic strains and small lattice rotations using electron back scatter diffraction Wilkinson AJ Ultramicroscopy (1996), vol. 62, 237-247 doi:10.1016/0304-3991(95)00152-2 Faceted voids and grain orientation at solid state diffusion bonded interfaces between Cu and single crystal cubic ZrO2 Ishii H, Mun JD, Wilkinson AJ, Derby B, and Sutton AP Materials Science Forum (1996), vol. 207-209, 253-256 The role of texture-related mobility in the secondary recrystallization of ODS alloys Miodownik MA, Wilkinson AJ, and Martin JW Materials Science Forum (1996), vol. 204, 443-448
1995	Evidence from ion channelling images for the elastic relaxation of a Si0.85Ge0.15 layer grown on a patterned Si substrate King PJC, Breese MBH, Smulders PJM, Wilkinson AJ, Booker GR, Parker EHC, and Grime GW Applied Physics Letters (1995), vol. 67, 3566-3568 doi:10.1063/1.115319 The effects of surface stress-relaxation on electron channelling contrast images of dislocations Wilkinson AJ and Hirsch PB Philosophical Magazine A (1995), vol. 72, 81-103 doi:10.1080/01418619508239583 Single-crystal magnetic metal-films on GaAs grown by electrodeposition Hart R, Midgley PA, Wilkinson AJ, and Schwarzacher W Applied Physics Letters (1995), vol. 67, 1316-1318 doi:10.1063/1.114525
1994
1993	Electron channelling contrast imaging of interfacial defects in strained silicon-germanium layers on silicon Wilkinson AJ, Anstis GR, Czernuszka JT, Long NJ, and Hirsch PB Philosophical Magazine A (1993), vol. 68, 59-80 doi:10.1080/01418619308219357 The measurement of local plastic deformation in a metal-matrix composite by electron back-scatter patterns Wilkinson AJ, Gonzalez G, and Dingley DJ Journal of Microscopy (1993), vol. 169, 255-261
1992	Distribution of plastic deformation in a metal matrix composite caused by straining transverse to the fibre direction Wilkinson AJ and Dingley DJ Acta Metallurgica et Materialia (1992), vol. 40, 3357-3368 doi:10.1016/0956-7151(92)90049-K Interfacial stresses in a continuous fibre metal matrix composite Wilkinson AJ Scripta Metallurgica et Materialia (1992), vol. 26, 387-392 doi:10.1016/0956-716X(92)90617-N
1991	Quantitative deformation studies using electron back scatter patterns Wilkinson AJ and Dingley DJ Acta Metallurgica et Materialia (1991), vol. 39, 3047-3055 doi:10.1016/0956-7151(91)90037-2 Deformation studies of metal matrix composites using electron backscatter patterns Wilkinson AJ Materials Science and Engineering A (1991), vol. A135, 189-193 doi:10.1016/0921-5093(91)90559-6