- Faculty of Engineering
- Department of Materials Science and Engineering
- Senior Lecturer Grade II
Contact information
Department of Materials Science and Engineering
Faculty of Engineering
University of Moratuwa
Moratuwa
10400
Teaching and Administrative Activities
Polymer Engineering -Undergraduate -2016
Polymer Technology -Undergraduate -2016
Degradation of Materials -Undergraduate -2016
Properties of Materials -Undergraduate -2016
Dies and Moulds for Polymer Processing -Undergraduate -2016
Industrial Polymer Process Engineering -Undergraduate -2016
Cleaner Production -Undergraduate -2016
Engineering Materials -Undergraduate -2016
Corrosion & Degradation of Materials -Postgraduate -2016
Composite Materials -Postgraduate -2016
Group Coordinator -Group Coordinator (Group C2) (2015 To date)
Practical Work Coordinator -Practical Work Coordinator (Semester 7) (2015 To 2015)
Practical Work Coordinator -Practical Work Coordinator (Semester 4 - Mechanical Engineering Students) (2015 To date)
Semester Coordinator -Academic Coordinator (Semester 3) (2015 To 2015)
Semester Coordinator -Academic Coordinator (Semester 4) (2015 To date)
Member -Orientation committee (2015 To 2015)
Member -ERU committee (2015 To 2015)
Group Coordinator -Group Coordinator (Group E8) [16' Batch] (2016 To 2017)
Practical Work Coordinator -Practical Work Coordinator (Semester 7) (2022 To 2023)
Practical Work Coordinator -Practical Work Coordinator (Semester 4 - Mechanical Engineering Students) (2022 To 2022)
Practical Work Coordinator - Academic Coordinator (Semester 3) (2022 To 2022)
Practical Work Coordinator - Academic Coordinator (Semester 4) (2022 To 2022)
Member - ERU committee (2022 To 2022)
Student Counsellor - Student Counsellor (2018 To 2021)
Practical Work Coordinator - Practical Work Coordinator (Semester 7) (2022 To 2023)
Practical Work Coordinator - Practical Work Coordinator (Semester 4 - Mechanical Engineering Students) (2022 To 2022)
Academic Coordinator (Semester 4) -Semester Coordinator (Semester 4) (2022 To 2022)
Member - ERU committee (2022 To 2022)
Research Activities
Education and Professional Affiliations
Bachelor's, University of Moratuwa ,2003
MPhil, University of Moratuwa ,2010
PhD, University Of Moratuwa ,
Bachelors, University Of Moratuwa ,
The Institution of Engineers, Sri Lanka(2004 To date)
Career
Honours and Awards
Publications*
A. Ratnakumar, A. M. P. B. Samarasekara, D. A. S. Amarasinghe, and L. Karunanayake,".The influence of particle size on the extraction of cellulose nanofibers using chemical-ultrasonic process.",Materials Today: Proceedings,MLR Institute of Technology,2022,274-278
G. I Janith, H. S. Herath, D. A. S. Amarasinghe, Dinesh Attygalle, V. S. C. Weragoda, and A. M. P. B. Samarasekara,".A Novel Method on Fitting A Short Prony Series Using Creep or Stress Relaxation Data.",MERCon 2022,University of Moratuwa,2022,1-6
R. A. A. D. O. Weerasekera,., D. M. L. Y. Samarakoon, D. L. H. P. P. Dayalal, D. A. S. Amarasinghe, A. M. P. B. Samarasekara, and Dinesh Attygalle. ,".Mie-theory-based investigation of the effect of size distribution on the surface plasmon absorption of silver nanoparticles.",MERCon 2022,University of Moratuwa,2022,
J . Amutheesan, S. Sukirtha, A. M. P. B. Samarasekara, D. A. S. Amarasinghe, and L. Karunanayake.,".Modeling the Mechanical Behavior of Microcrystalline Cellulose-Based Polymer Composite Materials.",MERCon 2022,University of Moratuwa,2022,
D. P., Egodage, Roshan Dodampola, A. Ratnakumar, Sampath C. Weragoda, D. A. S. Amarasinghe, A. M. P. B. Samarasekara, and Dinesh Attygalle,".Study on Thermal Endurance of Plasticizer in Locally Manufactured Electrical Cable Insulation.",MERCon 2022,University of Moratuwa,2022,
JMR Jayasinghe, A Ratnakumar, AMPB Samarasekara, DAS Amarasinghe,".Process Optimization of Microfibrillated Cellulose Extraction from Cotton Waste Using Response Surface Methodology.",2021 Moratuwa Engineering Research Conference (MERCon),University of Moratuwa,2021,54-59
A Ratnakumar, AMPB Samarasekara, DAS Amarasinghe, L Karunanayake,".Individualization of Nanofibrillated Cellulose from Sri Lankan Rice Straw: Structural Characteristics and Thermal Properties.",2021 Moratuwa Engineering Research Conference (MERCon),University of Moratuwa,2021,37-42
GI Janith, DAS Amarasinghe, D Attygalle, VSC Weragoda, AMPB Samarasekara,".Linear and Non Linear Creep Modeling of Talc Filled PEEK Composite.",2021 Moratuwa Engineering Research Conference (MERCon),University of Moratuwa,2021,60-64
A Ratnakumar, AMPB Samarasekara, DAS Amarasinghe, L Karunanayake,".Microfibrillated Cellulose Fabrication and Characterization from Sri Lankan Rice Straw: A Comparison between Traditional and Hybrid Variety.",2021 Moratuwa Engineering Research Conference (MERCon),University of Moratuwa,2021,164-168
A Ratnakumar, AMPB Samarasekara, DAS Amarasinghe, L Karunanayake,".Cellulose microfibres from traditional rice straw: Physicochemical properties and analytical characterization.",Second International Conference on Aspects of Materials Science and Engineering (ICAMSE 2021)-Materials Today: Proceedings,Panjab University Chandigarh,2021,5714-5719
Thisara Sandanuwan, Nayanathara Hendeniya, Dinesh Attygalle, DAS Amarasinghe, Sampath C Weragoda, AMPB Samarasekara,".Atmospheric Cold Plasma to Improve Printability of Polyethylene Terephthalate.",2021 Moratuwa Engineering Research Conference (MERCon),University of Moratuwa,2021,654-658
JM R Jayasinghe, AMPB Samarasekara, DAS Amarasinghe,".Synthesis and Characterization of Microcrystalline Cellulose from Cotton Textile Waste.",2020 Moratuwa Engineering Research Conference (MERCon),University of Moratuwa,2020,187-192
A Ratnakumar, AMP B Samarasekara, DA S Amarasinghe, L Karunanayake,".Property Analysis of Cellulose Fibers Extracted from Traditional Rice Straw Varieties.",2020 Moratuwa Engineering Research Conference (MERCon),University of Moratuwa,2020,176-181
A Ratnakumar, AMP B Samarasekara, DA S Amarasinghe, L Karunanayake,".Property Analysis of Cellulose Fibers Extracted from Traditional Rice Straw Varieties.",2020 Moratuwa Engineering Research Conference (MERCon),University of Moratuwa,2020,176-181
K.D.H.N. Kahawita ,".Extraction and characterization of cellulosic fibers from sawmill waste.",2nd Moratuwa Engineering Research Conference - MERCon-16 (International multidisciplinary engineering research conference),University of Moratuwa,2016,343-348
S.Umadaran P.Somasuntharam,".Preparation and characterization of Cellulose and Hemi-Cellulose based degradable composite material using sugarcane waste.",2nd Moratuwa Engineering Research Conference - MERCon-16 (International multidisciplinary engineering research conference),University of Moratuwa,2016,367-372
D.A.S Amarasinghe D.P Egodage H.T.S Jayalath ,".Fabrication of Antimicrobial Material For Food Packaging Applications.",21st International Forestry and Environment Symposium 2016,Heritance Kandalama, Dambulla, Sri Lanka,2016,
W.K.K.K. Chathuranga M.I.Shashiranga ,".Development of Degradable Polymer Composite Using Cellulose Based Materials.",21st International Forestry and Environment Symposium 2016,Heritance Kandalama, Dambulla, Sri Lanka,2016,
D.P Egodage, H.T.S Jayalath,D.A.S Amarasinghe,".Preparation of Nano Silver Based Antibacterial Coating for Food Packaging Applications.",The Institution of Engineers, Sri Lanka, 110th Annual Sessions,Institution of Engineers Sri Lanka,2016,
M.D.S.L Wimalananda & N Muthugala,".Study the effect of ZnO and TiO2 to develop photo-degradable LDPE based composite materials.",2nd Ruhuna International Science & Technology Conference (RISTCON 2015),Faculty of Science, University of Ruhuna, Matara, ,2015,75
E.A.P.C.D Jayasuriya,".Effect of natural enzymes on the biodegradability of cellulose containing polymer composites.",2nd Ruhuna International Science & Technology Conference (RISTCON 2015),Faculty of Science, University of Ruhuna, Matara, ,2015,76
SOMASUNTHARAM. P & UMADARAN .S. ,".Extraction and usage of natural polymer materials from sugarcane waste to develop degradable composite material for packaging applications.",2nd International Conference on Multidisciplinary Approaches – ICMA 2015,Golden Rose Hall – Boralasgamuwa, Sri Lanka,2015,175
Sandamal. K. P. T. and Liyanachchi. S. H. ,".Synthesis of low density polyethylene based photodegradable polymer composite using cinnamon leaf oil.",2nd International Conference on Multidisciplinary Approaches – ICMA 2015,Golden Rose Hall – Boralasgamuwa, Sri Lanka,2015,176
K.D.H.N. Kahawita,".Extraction of Cellulose and Hemicellulose from Wood Waste to Produce Biodegradable Composite Material for Engineering Applications.",The Institution of Engineers, Sri Lanka, 109th Annual Sessions (Transactions 2015),The Institution of Engineers, Sri Lanka, Wijerama ,2015,159-165
K.D.H.N. Kahawita,".Extraction and Characterization of Lignocellulose from Wood Waste .",20th International Forestry and Environment Symposium 2015,Club Hotel Dolphin, Wayikkal,2015,78
SOMASUNTHARAM. P & UMADARAN .S.,".Development of Environmentally Friendly Cellulose Containing Packaging Products From Waste Materials.",International Postgraduate Research Conference 2015, University of Kelaniya, Sri Lanka,University of Kelaniya, Sri Lanka,2015,184
A. Ratnakumar , A.M.P.B. Samarasekara, D.A.S. Amarasinghe , L. Karunanayake,".The influence of particle size on the extraction of cellulose nanofibers using chemical-ultrasonic process.",Materials Today: Proceedings,Volume 64, Part 1,2022
Anne D Fernandopulle, Laleen Karunanayake, DONAS AMARASINGHE, Adikari MPB Samarasekara, Dinesh Attygalle,".Humidity Sensing Potential of a Microcrystalline Cellulose Sheet.",CELLULOSE CHEMISTRY AND TECHNOLOGY ,55,2021
Ratnakumar, A., A. M. P. B. Samarasekara, D. A. S. Amarasinghe, and L. Karunanayake,".Cellulose microfibres from traditional rice straw: Physicochemical properties and analytical characterization.",Materials Today: Proceedings,45,2021
WSM Rathnayake, L Karunanayake, AMPB Samarasekara, DAS Amarasinghe,".Sunflower oil-based MCC surface modification to achieve improved thermomechanical properties of a polypropylene composite.",Cellulose,27,2020
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