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Dr. Mudith Karunaratne

Head | Department of Materials Engineering

Faculty of Engineering | Materials Engineering

Career Summary

  • Head of Department/Senior Lecturer (2017 – date)
    Department of Materials Engineering, Faculty of Engineering, Sri Lanka Institute of Information Technology (SLIIT), Sri Lanka.
     
  • Research Associate (2005 – 2017)
    Department of Materials, Loughborough University, UK.
     
  • Research Fellow (2001-2004)
    School of Engineering Sciences, University of Southampton, UK.
     
  • PhD candidate (1996-2001)
    Department of Materials and Metallurgy, University of Cambridge, UK
     
  • Lecturer (1994-1996)
    Department of Materials, University of Moratuwa, Sri Lanka

ACADEMIC QUALIFICATIONS

  • PhD in Materials Science and Metallurgy
    University of Cambridge (2001)
     
  • BSc Eng (First Class Honours) in Materials Engineering
    University of Moratuwa (1994) 

HONOURS AND AWARDS

  • Poster Prize winner Materials Research Day
    Loughborough University, UK (2015).
  • Poster Prize winner
    Loughborough University High-Performance Computing (HPC) facility launch (2012).
  • Fellow
    Cambridge Commonwealth Trust (1996-1999)
  • Scholarship
    Corpus Christi College Studentship (1996-1999)
  • Scholarship
    Overseas Research Studentship (ORS) Award (1996-1999)
  • Student award
    University of Moratuwa Materials Engineering Best student award Years 1992, 1993 & 1994.
  • Manamperi Award
    Award for the best undergraduate project presented by the Sri Lanka Association for the Advancement of Science (1995).

Research Interests and Memberships

Research Interests

  • High temperature materials
  • Nickel base superalloys
  • 9Cr steels, Materials modelling
  • High performance computing in materials science
  • Thermodynamics
  • Coupled thermodynamics/kinetic modelling
  • Diffusion in multicomponent systems
  • Diffusion in semiconductor materials, Si and SiGe.

Memberships

  • Affiliate Member
    Institute of Materials, Minerals and Mining (IOM3)
     
  • Committee Member
    Materials Chemistry Committee, IOM3

Ongoing Research

  • Energy Materials
  • Materials Modelling

My Publications

Journal Publications Under Review

  • Dr M. Karunaratne, Dr S. Yan, Mr L. Coghlan, Professor R. Thomson, Dr R. L. Higginson  " Modelling Carburisation in 9Cr-1Mo Ferritic Steel Tube Substrates in Experimental CO2 Atmospheres "          Under Review

Journal Publications

  • M. S. A. Karunaratne, S. Kyaw, A. Jones, R. Morrell, R. C. Thomson  " Modelling the coefficient of thermal expansion in Ni-based superalloys and bond coatings "  Journal of Materials Science,  vol.51,  Issue 9,  2016,  pp.4213-4226,    08 February 2016,  doi:10.1007/s10853-015-9554-3,
  • M. S. A. Karunaratne, M. A. E. Jepson, N. J. Simms, J. R. Nicholls, R. C. Thomson  " Modelling of microstructural evolution in multi-layered overlay coatings "  Journal of Materials Science,  vol.52,  Issue 20,  2017,  pp.12279-12294,    17 July 2017,  doi:10.1007/s10853-017-1365-2,
  • Ana I Martinez-Ubeda, Ian Griffiths, Mudith S. A. Karunaratne, Peter E. J. Flewitt, Charles Younes, Tom Scott  " Influence of nominal composition variation on phase evolution and creep life of Type 316H austenitic stainless steel components "  Procedia Structural Integrity,  vol.2,    2016,  pp.958-965,      doi:10.1016/j.prostr.2016.06.123,
  • M. S. A. Karunaratne, S. L. Ogden, S. D. Kenny and R. C. Thomson  " A multicomponent diffusion model for prediction of microstructural evolution in coated Ni based superalloy systems "  Materials Science and Technology,  vol.25,  Issue 2,  2013,  pp.287-299,      doi:10.1179/174328408X355415,
  • U Hermosilla, M. S. A. Karunaratne, I. A. Jones, T. H. Hyde and R. C. Thomson  " Modelling the high temperature behaviour of TBCs using sequentially coupled microstructural-mechanical FE analyses "  Materials Science and Engineering A,  vol.513-514,    2009,  pp.302-310,      doi:10.1016/j.msea.2009.02.006,
  • R. C. Thomson, S. Newman, G. D. West and M. Karunaratne  " Microstructural evolution in coated superalloy systems "  Energy Materials ,  vol.4,  Issue 1,  2009,  pp.11-16,      doi:10.1179/174892310X12645184130523,
  • U Hermosilla, I. A. Jones, T. H. Hyde, R. C. Thomson, M. S. A. Karunaratne  " Finite element modelling of development of stresses in thermal barrier coatings "  Energy Materials,  vol.4,  Issue 3,  2009,  pp.133-140,      doi:10.1179/174892311X13033814430220,
  • R. A. Hobbs, M. S. A. Karunaratne, S. Tin, R. C. Reed and C. M. F. Rae  " Uphill diffusion in ternary Ni-Re-Ru alloys at 1000 and 1100°C "  Materials Science and Engineering,  vol.A460,    2007,  pp.587-594,      doi:10.1016/j.msea.2007.01.114,
  • Peter Pichler, Christophe J Ortiz, Benjamin Colombeau, Nicholas EB Cowern, Evelyne Lampin, Suresh Uppal, MSA Karunaratne, Janet M Bonar, Arthur FW Willoughby, Alain Claverie, Filadelfo Cristiano, Wilfried Lerch, Silke Paul  " Diffusion and activation of dopants in silicon and advanced silicon-based materials "  Physica Scripta,  vol.2006,  Issue T126,  2006,  pp.89,      doi:10.1088/0031-8949/2006/T126/021,
  • M. S. A. Karunaratne, J. M. Bonar, P. Ashburn and A. F. W Willoughby  " Suppression of boron diffusion due to carbon during rapid thermal annealing of SiGe based device materials-some comments "  Journal of materials science,  vol.41,  Issue 3,  2006,  pp.113-1016,      doi:10.1007/s10853-006-6618-4,
  • M. S. A. Karunaratne, A. F. W. Willoughby, J. M. Bonar, J. Zhang and P. Ashburn  " Effect of point defect injection on diffusion of boron in silicon and silicon-germanium in the presence of carbon "  Journal of applied physics,  vol.97,  Issue 11,  2005,  pp.113531,      doi:10.1063/1.1927706,
  • H. A. W. El Mubarek, M. Karunaratne, J. M. Bonar, G. D. Dilliway, Y. Wang, P. L. F. Hemment, A. F. Willoughby, and P. Ashburn  " Effect of fluorine implantation dose on boron transient enhanced diffusion and boron thermal diffusion in Si(1-x)/Ge(x) "  IEEE Transactions on Electron Devices,  vol.52,  Issue 4,  2005,  pp.518-526,       doi:10.1109/TED.2005.844738,
  • Mudith SA Karunaratne, Janet M Bonar, Jing Zhang, Peter Ashburn, Arthur FW Willoughby  " Diffusion of Boron in Silicon and Silicon-Germanium in the presence of Carbon "  Defect and Diffusion Forum,  vol.237,    2005,  pp.998-1003,      doi:10.4028/www.scientific.net/DDF.237-240.998,
  • M. S. A. Karunaratne and R. C. Reed  " Interdiffusion of Niobium and Molybdenum in Nickel between 900-1300°C "  Defect and Diffusion forum,  vol.237-240,    2005,  pp.420-425,      doi:10.4028/www.scientific.net/DDF.237-240.420,
  • Mudith S. A. Karunaratne, Janet M. Bonar, Jing Zhang and Arthur F. W. Willoughby  " Effect of Carbon on Diffusion of Boron in SiGe between 940-1050°C "  MRS Proceedings,  vol.809,    2004,  pp.B.10.2,      doi:10.1557/PROC-809-B10.2,
  • N. Matan, H. M. A. Winand, P. Carter, M. Karunaratne, P. D. Bogdanoff and R. C. Reed  " A coupled thermodynamic/kinetic model for diffusional processes in superalloys "  Acta Materialia,  vol.46,  Issue 13,  1998,  pp.4587-4600,      doi:10.1016/S1359-6454(98)00142-6,
  • M. S. A Karunaratne, P. Carter and R. C. Reed  " Interdiffusion in the face-centred cubic phase of the Ni-Re, Ni-Ta and Ni-W systems between 900 and 1300°C "  Materials Science and Engineering,  vol.281A ,  Issue 1-2,  2000,  pp.229-233,      doi:10.1016/S0921-5093(99)00705-4,
  • M. S. A Karunaratne, C. M. F. Rae and R. C. Reed  " On the Microstructural Instability of an Experimental Nickel-Based Single-Crystal Superalloy "  Metallurgical and Materials Transactions A,  vol.32,  Issue 10,  2001,  pp.2409-2421,      doi:10.1007/s11661-001-0032-y,
  • M. S. A Karunaratne, P. Carter and R. C. Reed  " On the diffusion of aluminium and titanium in the Ni-rich Ni-Al-Ti system between 900 and 1200°C "  Acta Materialia,  vol.49,  Issue 5,  2001,  pp.861-875,      doi:10.1016/S1359-6454(00)00390-6,
  • M. S. A. Karunaratne and R. C. Reed  " Interdiffusion of the platinum-group metals in nickel at elevated temperatures "  Acta Materialia,  vol.51,  Issue 10,  2003,  pp.2905-2919,      doi:10.1016/S1359-6454(03)00105-8,
  • H. A. W. El Mubarek, J. M. Bonar, G. D. Dilliway, P. Ashburn, M. Karunaratne, A. F. Willoughby, Y. Wang, P. L. F. Hemment, R. Price, J. Zhang and P. Ward  " Effect of fluorine implantation dose on boron thermal diffusion in silicon "  Journal of applied physics,  vol.96,  Issue 8,  2004,  pp. 4114-4121,      doi:10.1063/1.1790063,
  • J. M. Bonar, S. Uppal, M. S. A. Karunaratne, A. F. Willoughby  " Diffusion in SiGe: defect injection studies on Sb, As and B "  Electrochemical Society Proceedings,  vol.2004,  Issue 7,  2004,  pp.903-914,      
  • M. S. A. Karunaratne, I. Di Martino, Sarah L. Ogden, David L. Oates and Rachel C. Thomson  " Modeling of microstructural evolution in an MCrAlY overlay coating on different superalloy substrates "  Metallurgical and Materials Transactions A,  vol.43,  Issue 2,  2012,  pp.774-788,      doi:10.1007/s11661-011-0897-3,
  • U. Hermosilla, M. S. A. Karunaratne, I. A. Jones, T. H. Hyde and R. C. Thomson  " MCrAlY creep behaviour modelling by means of finite-element unit cells and self-consistent constitutive equations "  Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications,  vol.223,  Issue 1,  2009,  pp.41-51,      doi:10.1243/14644207JMDA227,
  • M. D. Banea, L. F. M. da Silva, G. J. Collie, I. Black, L. Fratini, U. Hermosilla, M. S. A. Karunaratne, I. A. Jones, T. H. Hyde and R. C. Thomson  " MCrAlY creep behaviour modelling by means of finite-element unit cells and self-consistent constitutive equations "  Journal of materials: Design and Applications,  vol.223,  Issue L1,  2009,  pp.41,      

Conference Proceedings

  • A. Rowe, M. Karunaratne, R. C. Thomson   NiCoCrAlYHf coating evolution through multiple refurbishment processing on a single crystal nickel superalloy  in 7th International Conference on Advances in Materials Technology for Fossil Power Plants,  year 2014,   Waikoloa, Hawaii, USA,  pp.412,  ASM International,    22-25 October 2013 ,  
  • Y Liu, M. S. A. Karunaratne, M. A. E. Jepson, R. C. Thomson   Characterization and modelling of Ni based superalloy materials with a dual layered MCrAlY coating system  in Superalloys 2012,  year 2018,   Seven Springs Mountain Resort, Seven Springs, Pennsylvania, USA,  pp.795-802,   John Wiley & Sons, Inc.,    Y Liu, M. S. A. Karunaratne, M. A. E. Jepson, R. C. Thomson,  
  • Unai Hermosilla, I. Arthur Jones, Tom H. Hyde, Rachel C. Thomson and Mudith S. A. Karunaratne   Finite element modelling of the development of stresses in thermal barrier coatings  in 2009 International Conference on Sustainable Power Generation and Supply,  year 2018,  Nanjing, China,  pp.1-7,  IEEE,    Unai Hermosilla, I. Arthur Jones, Tom H. Hyde, Rachel C. Thomson and Mudith S. A. Karunaratne,  
  • M. S. A. Karunaratne, D. C. Cox, P. Carter and R. C. Reed   Modelling of the microsegregation in CMSX-4 superalloy and its homogenisation during heat treatment  in Superalloys 2000,  year 2000,  Seven Springs Mountain Resort, Seven Springs, Pennsylvania, USA,  pp.263-272,  The Minerals, Metals & Materials Society (TMS),    M. S. A. Karunaratne, D. C. Cox, P. Carter and R. C. Reed,  
  • C. M. F. Rae, M. S. A. Karunaratne, C. J. Small, R. W. Broomfield, C. N. Jones and R. C. Reed   Topologically close packed phases in an experimental rhenium-containing single crystal superalloy  in Superalloys 2000,  year 2000,  Seven Springs Mountain Resort, Seven Springs, Pennsylvania, USA,  pp.768-776,  The Minerals, Metals & Materials Society (TMS),    C. M. F. Rae, M. S. A. Karunaratne, C. J. Small, R. W. Broomfield, C. N. Jones and R. C. Reed,  
  • Mudith S. A. Karunaratne, Janet M. Bonar, Jing Zhang and Arthur F. W. Willoughby   Effect of Point Defect Injection on B diffusion in C containing Si and SiGe  in Semiconductor ,  year 2004,  San Francisco, California, USA,  pp.B8.6,   Materials Research Society,    Mudith S. A. Karunaratne, Janet M. Bonar, Jing Zhang and Arthur F. W. Willoughby,  

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