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)
RESEARCH INTERESTS AND MEMBERSHIP
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
MY PUBLICATIONS
Journal Publications
- M. S. A. Karunaratne, S. Yan, R. C. Thomson, L. Coghlan, R. L. Higginson "Modelling Carburisation in 9Cr-1Mo Ferritic Steel Tube Substrates in Experimental CO2 Atmospheres"
- 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"
- 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"
- 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"
- A. Rowe, M. Karunaratne, R. C. Thomson "NiCoCrAlYHf coating evolution through multiple refurbishment processing on a single crystal nickel superalloy"
- 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"
- 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"
- 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"
- R. C. Thomson, S. Newman, G. D. West and M. Karunaratne "Microstructural evolution in coated superalloy systems"
- 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"
- 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"
- 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"
- 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"
- 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"
- 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"
- 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)"
- 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"
- M. S. A. Karunaratne and R. C. Reed "Interdiffusion of Niobium and Molybdenum in Nickel between 900-1300°C"
- 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"
- 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"
- 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"
- M. S. A Karunaratne, C. M. F. Rae and R. C. Reed "On the Microstructural Instability of an Experimental Nickel-Based Single-Crystal Superalloy"
- 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"
- M. S. A. Karunaratne and R. C. Reed "Interdiffusion of the platinum-group metals in nickel at elevated temperatures"
- 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"
- J. M. Bonar, S. Uppal, M. S. A. Karunaratne, A. F. Willoughby "Diffusion in SiGe: defect injection studies on Sb, As and B"
- 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"
- 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"
- 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"
- 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"
- 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"
- 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"
