• Development of a low cost, static light scattering based nano-particle size analyzer 

  Anuradha, SKA; Ishan, HHA; Amarasinghe, DAS [Conference-Abstract]

  A machine based on Static Light Scattering theories was developed for the cost effective and efficient Quality Control of the average particle size of nano-particles used in different manufacturing industries. In particular ...
• Design of a Dynamic Mechanical Analyser for Rubber Compounds 

  Herath, HMRC; Rodrigo, IJ; Weragoda, VSC [Conference-Abstract]

  Dynamic mechanical analysis (DMA) is a powerful technique for characterization of the viscoelastic properties of polymers such as thermoplastics, composites, thermosets and elastomers in the form of sheet specimens, ...
• Development of antimicrobial materials for food packaging applications 

  Senarath, SMNS; Madushani, SPA; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]

  The rising demand to increase fresh food shelf life as well as the need of protection against foodborne diseases urged the development of antimicrobial food packaging. Nanomaterials have increasingly being used in food ...
• development of CZTS based solar cell 

  Dilshan, HADI; Weerasinghe, WDD; Attygalle, D [Conference-Abstract]

  The two semiconductor layers Cu2ZnSnS4 (CZTS) and CdS were successfully fabricated using economical, solution-based fabrication techniques. CZTS thin film fabrication was done by spin coating technique onto soda-lime ...
• Development of metal oxide based solid state gas sensor platform 

  Udaraka, MPSD; Nanayakkara, HATV; Attygalle, D; Amarasinghe, DAS [Conference-Abstract]

  Gas sensors are chemical sensors which have a transducer and an active layer for converting the chemical information into another form of electronic signal. Gas detection and determining the composition of a gas in a ...
• Development of spark emission spectrometer to identify an alloy 

  Gunerathne, MGGM; Karunasena, DBTK; Attygalle, D; Amarasinghe, DAS [Conference-Abstract]

  Spark optical emission spectrometer (OES) is a widely used technique in identifying alloy compositions of metals. Based on the OES principle, a low-cost spark, portable and fully automated spark optical emission spectrometer ...
• Investigation of laser scribing technique for graphite oxide reduction and patterning 

  Prasath, M; Jayasinghe, JGDSD; Attygalle, D [Conference-Abstract]

  Engineering a low cost graphene-based electronic device has proven difficult to accomplish via a single-step fabrication process. An infrared laser assisted technique to reduce graphite oxide (GO) to graphene, at ambient ...
• Development of natural fiber-plastic composite using jute fiber and epoxy resin 

  Kumara, PKSP; Dharshana, WMTS; Udayakumara, SV [Conference-Abstract]

  In modern world, fiber reinforced plastics play a dominant role. The fiber which serves as a reinforcement in composite may be synthetic or natural. Although synthetic fibers (ex. Glass, carbon, etc..) posses higher ...
• Microcrystalline cellulose based polymer composite for engineering applications 

  Rajapaksha, LD; Saumyadi, HAD; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]

  In the last several years, polymer composites have been used heavily in aerospace, automotive and other engineering applications. Polymer matrix composites (PMCs) are comprised of a variety of short or continuous fibers ...
• Solar powered mini air conditioner for automobiles 

  Gunawardhana, HPB; Chamath, LG; Galhenage, AS [Conference-Abstract]

  As a tropical country, Sri Lanka experiences sunny conditions throughout the year. Most of the time vehicle users find it difficult to obtain shady places for their parking purposes. The temperature rise of the automobiles ...
• Nondestructive evaluation of corrosion damage in concrete reinforcement bars 

  Maddumahewa, KK; Madusanka, NPA; Sivahar, V [Conference-Abstract]

  Corrosion of reinforcement bars which are embedded in concrete is one of the significant problems encountered in reinforced concrete structures. Despite the fact that concrete gives protection against corrosion, ...
• Development of composite material based on waste paper and waste LDPE for ceiling sheets. 

  Pathirage, TG; Munasinghe, DKR; Udayakumara, SV [Conference-Abstract]

  In Sri Lanka used papers are re-utilized only for paper and board industry. However ,collecting used papers and recycling them are still highly inhomogeneous. Therefore major part of used papers become garbage. Used ...
• Rubber based strain sensor for detection of tyre and road conditions 

  Karunarathna, NPM [Conference-Abstract]

  Detection and measuring of larger strains as those exist in rubber components has long been a requirement that had met with limited success. Compared to traditional metallic strain gauge, elsatomer based strain sensors ...
• Preparation of wood-plastic composite using teak saw dust and high density polyethylene 

  Wimalaratne, BAPM; Madushan, WKR; Udayakumara, SV [Conference-Abstract]

  Wood-Plastic composites are materials made out of wood (Fibers, particles. dust, etc..) and thermoplastic materials (PP, LDPE, HDPE, etc...). From Recent history wood-plastic composites have an increase in popularity due ...
• Study of the dielectric behavior of graphite oxide upon exposure to chlorine 

  Silva, SM; Kulathilake, PHD; Attygalle, D; Amarasinghe, DAS [Conference-Abstract]

  Graphite Oxide (GO) was synthesized using the Improved Hummer’s Method. After the successful synthesis of GO, it was characterized and its dielectric properties were investigated. The change of dielectric behavior of GO ...
• Removal of mercury from dental wastewater 

  Abeysiri, NKDS; Kumarasinghe, KAMM [Conference-Abstract]

  Industrial waste, especially heavy metals such as mercury, have generated a significant threat to public health due to their toxicity and persistence in the environment. These effluents should be treated well before ...
• Thermoplastic polymer modified bitumen 

  Ranasinghe, HMLU; Madushanka, RD; Liyanage, NMVK [Conference-Abstract]

  Performance of Bitumen modified with thermoplastics based on natural rubber(NR) and Low density polyethylene(LDPE) was investigated. Blending of NR and LDPE in different ratios was done by using a plastic extruder at ...
• Fabrication of dye sensitized solar cells using locally available sensitizers 

  Samanchandra, MHAR; Tharanga, WADD; Galhenage, AS [Conference-Abstract]

  Dye sensitized solar cells (DSSCs) are the one of the most promising third generation solar cells which based on mesoporous nanocrystalline titanium dioxide and organic dyes. DSSCs provide a technically and economically ...
• Evaluation of potential of two natural polymers in enhancing physical properties of silica filled natural rubber latex films 

  Rajasekara, RWDHS; Randeepa, HPDK; Liyanage, NMVK [Conference-Abstract]

  The applicability of two natural proteins; zein and soy, extracted from corn and soya respectively, as surface modifiers for silica to be used in natural rubber latex(NRL) compounds was investigated. Two proteins were ...
• Exploring the value addition potential of the local rice straw varieties 

  Nanayakkara, MPA; Pabasara, WGA; Samarasekara, AMPB; Amarasinghe, DAS [Conference-Abstract]

  Polymers play a critical role in engineering applications today. Cellulose is the most abundant renewable natural biopolymer on earth. It is present in a wide variety of living species including plants and some marine ...

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