• Materials Engineering Symposium on Innovations for Industry 2022 - Pre Text 

  Abeygunawardana, AAGA [Conference-Abstract]
• A monitoring method for the degree of curing in epoxy adhesives using direct current resistivity 

  Janith, GI; Herath, WHS; Weragoda, VSC [Conference-Abstract]

  Adhesive bonding is a widely used technique in material joining. Research focused on enhancing the properties of resin-based adhesive systems is critically important in manufacturing quality control. One specifically ...
• Numerical simulation of lead-free bismuth perovskite by using scaps (solar cell capacitance simulator) 

  Akmal, UKDM; Fernando, WMTV; Galhenage, AS [Conference-Abstract]

  A perovskite solar cells were studied using the Solar cell capacitance simulator (SCAPS). The effect of the cation on the performance of perovskite solar cells with MA3Bi2I9 as the light-absorbing material and perovskite ...
• Mathematical modelling of mechanical behavior in randomly oriented micro crystalline cellulose-based polymer composite 

  Arthanayake, SAMASB; Pallewela, RSJ; Amarasinghe, DAS; Samarasekara, AMPB [Conference-Abstract]

  There are many theoretical models to predict the mechanical properties of Continuous long-fiber composites. But there is no proper mathematical model for randomly oriented short fiber composites (ROFC). This research aims ...
• Mechanical characterization of biological soft tissues under tensile loading - experimentation and numerical aspect 

  Edirisinghe, AD; Weerasuriya, MACS; Abeygunawardane, AAGA [Conference-Abstract]

  For the first time in Sri Lanka, rectus femoris muscle has been used to characterize the mechanical properties of human soft tissues. These properties can be used to synthesis artificial tissue for bio engineering applications; ...
• Development of cellulose-based precursor solution for electrospinning technique 

  Basnayaka, BMCGK; Udeshini, AA; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]

  To electro-spin a polymer solution, certain specific conditions need to be met, for example, acetyl content (A) (38- 40%), degree of substitution (DS) (2.3-2.5), molecular weight(M) (30,000 100,000 gmol-1) solution system ...
• Design and optimization of linear actuator for biomedical applications 

  Chandrasiri, WAD; Rashmika, WAD; Adikary, SU [Conference-Abstract]

  Microelectromechanical system (MEMS) actuators are a promising innovation that is essential to the development of a wide variety of biomedical devices. The invention of smaller fluid pumps has been valued with increasing ...
• Characterization of creep behaviour of viscoelastic materials by ultrasound pulse- echo technique 

  HEWESSAGE, HDDN; KOTHALAWALA, SSW; Sivahar, V [Conference-Abstract]

  For any viscoelastic material, creep is a phenomenon which tends to change microstructure and the mechanical properties of material. Therefore, it is important to quantify and predict the creep and creep rate of a component. ...
• Development of cellulose fiber reinforced soil-based composite wall panels using selected lignocellulosis materials 

  Jayaweera, WMIS; Malshan, MMH; De Silva, GIP; Fernando, TN [Conference-Abstract]

  The present study focuses on preparation of composite wall panels, reinforcing with three different pre-treated lignocellulosic material fibers - bagasse (B), paddy straw (PS), and banana stem (BS). Soil-based composite ...
• Development of cement, waste paper, and natural fiber based composite for ceiling sheet 

  Kumarasinghe, PDRS; Sachintha, KKN; Udayakumara, SV [Conference-Abstract]

  This study was focused on developing material for ceiling sheets using waste paper and cement. Every day, a large amount of paper waste is discarded into the environment. The new ceiling composite is produced, which is ...
• Preapartion and characterization of porous graphene from Sri Lankan vein graphite 

  Manikanth, P; Rasandran, S; Sitinamaluwa, HS [Conference-Abstract]

  GO (Graphene Oxide) is one of the most promising candidates for application of energy storage devices such as batteries and supercapacitors. For energy storage applications, surface area of the material is very important. ...
• Quantitative estimation of residual stresses in quenched steelthrough ultrasonic parameters 

  Rangana, HGS; Ishara, WKG; Sivahar, V [Conference-Abstract]

  After manufacturing and heat treatment processes, residual stresses are present in the specimen. Quenching is the heat treatment process that forms residual stress in metals. Two methods are used to find residual stresses ...
• Development of soil based composite wall panel using locally available laterite soils 

  Samarasinghe, MMA; Gunathunga, WPS; De Silva, GIP; Fernando, TN [Conference-Abstract]

  This research focus on developing laterite soil-based composite wall panels by using soil cement mixture, reinforced with cellulose fibers from pretreated cornhusk. In this, effect of various laterite soils and cement ...
• Molecular dynamics simulation of electric double layer capacitance of graphene electrodes 

  Sandaranga, KAM; Kumara, NAHWS; Sitinamaluwa, HS [Conference-Abstract]

  Graphene has been identified as a promising material for electric double layer capacitors (EDLCs) owing to its large surface area and high conductivity. This study aims to develop a computation model to study the double ...
• Design/fabrication of bi-axial tensile testing machine and numerical modeling of polymer composite under bi-axial stress state 

  Arachchi, KADDK; Sandanayaka, SMP; Abeygunawardane, AAGA; Weragoda, VSC [Conference-Abstract]

  In real engineering applications, materials are subjected to different types of loads applied in several directions. Characterizing materials using the Uni-axial tensile testing can be only enough for Isotropic materials. ...
• Simulation study on the effect of calcium carbonate and talc volume fractions on the mechanical properties of thermoplastics 

  Thilakarathna, TDK; Erathnage, TU; Udayakumara, SV [Conference-Abstract]

  Today, particle reinforced composites are widely used in the manufacturing of thermoplastic products for a variety of applications. Other than the trial-and-error method, numerical methods are used to obtain the properties ...
• Synthesis of calcium oxide nanoparticles from waste eggshells for seed priming 

  Jayaneththi, Y; Nipunika, U; Galhenage, AS [Conference-Abstract]

  Environmental pollution and scarcity of natural sources are two major problems that society faces at the present. Eggshells are a waste that is discarded without any value which contributes to the environmental pollution. ...
• Modelling and simulation of piezoelectric nanogenerator using zinc oxide for wearable electronics 

  Vithusan, T; Nashira, MNF; Adikary, SU [Conference-Abstract]

  A vertically integrated Zinc Oxide nanowire (NW) based piezoelectric nanogenerator (NG) was modelled for energy harvesting applications. Nanogenerators were modelled on unit element based and arrays based and were simulated ...
• Designing an elastomer for reinforced elastomeric cushion bridge expansion joints 

  Welivita, WKCS; Wijayasiri, ISWC; Weragoda, VSC [Conference-Abstract]

  This project is focused to improve the properties and to avoid the premature failures of the Reinforced Elastomeric Cushion Bridge Expansion Joint which is used by the industrial organization of Expressway Operation, ...
• Development of a theoretical model to predict filtration efficiency of electret based masks 

  Wimalasinghe, BP; Siriwardhana, BM; Attygalle, D [Conference-Abstract]

  In this study, a 2-Dimensional computational model to predict the filtration efficiency of the electret layer of N95 facemask was developed. The fiber packing density, fiber diameter and fiber layer thickness were included ...

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