Faculty of Engineering, Materials Engineering: Recent submissions

Now showing items 1-20 of 56

Modification of mix design to utilize fly ash and gliricidia ash in concrete paving block

Amunugama HMTM [Thesis-Abstract]

Last few decades demand for renewable energy has increased. Among those resources, biomass is widely used to produce energy as it renewable and low-cost material. Therefore, it has led to the accumulation of industrial ...
Development of coir fiber based insulative composite material to reduce thermal heat in buildings

Chamath LG [Thesis-Abstract]

Energy consumption is a critical factor in building design. Maintaining a comfortable indoor temperature consumes high energy than other necessities such as lighting and cooking. The building envelope is the main component ...
Synthesis of porous graphene from Sri Lankan graphite for supercapacitor applications

Sandaruwani MKA [Thesis-Abstract]

A feasible process to synthesize porous graphene with ultra-high surface area is presented in this thesis. Graphene oxide (GO) was synthesized from Sri Lankan graphite via the modified hummers method. Then, GO was ...
Comparison of corrosion behavior of steel reinforcement bars in ordinary Portland cement and Portland Pozzolana cement environments

De Costa KBMVS [Thesis-Abstract]

In the Sri Lankan cement market present time blended hydraulic cement which is composited with fly ash or blast furnace slag are given a noticeable marketing share as supplementary cement. It has obtained more popularity ...
Developing a model to predict the propagation of sulfide stress corrosion of steel used for petroleum pipelines

Deemantha MBA [Thesis-Abstract]

Sulfide stress corrosion (SSC) is a deleterious type of corrosion that is abundant in petroleum refineries. SSC easily attacks oil country tubular goods (OCTG) in petroleum refineries. The main factors that affect SSC ...
Cost effective method to analyze lubrication oil

Rathnayake TNA [Thesis-Abstract]

The lubricating oil analysis is the most common method to identify the condition of any machinery. There are various ways to analyze lubricating oil, and those methods are based on an individual examination of lubricant ...
2D - 3D Hybrid perovskites for perovskite solar cells

Gunasekara HKYPG [Thesis-Abstract]

Hybrid Organic-Inorganic Perovskites (HOIP) have been studied extensively and grown popular. Especially in Three-dimensional (3D) Perovskites, achieving power conversion efficiency (PCE) exceeds 23%. Nevertheless, some of ...
Fabrication of roofing sheets using agricultural waste materials

Ferdinandus DP [Thesis-Abstract]

Modern roofing products are very popular in various applications due to their specific features to satisfy the local and global demand. Asbestos roofing products are currently used as a roofing solution in very large scale ...
Failure investigation of bell 412 main rotor blade trim tabs and study of suitable adhesive material application with a new trim tab design

Dheerasinghe PMGSD [Thesis-Abstract]

The Bell 412 helicopter is a type of aircraft in the Sri Lanka Air Force (SLAF) inventory which is accorded specialty status due to its role in the transportation of VVIPs in Sri Lanka. Over three decades of operation, the ...
Extraction and characterization of microfibrillated cellulose from textile cotton waste

Jayasinghe JMR [Thesis-Abstract]

Cotton is a natural staple fiber that almost consist with cellulose compared to wood. The major economic value of the cotton is in Textile Industry. In the past recent years, cotton consumption demand was increased than ...
Synthesis and characterization of reduced graphene oxide for supercapacitors

Perera PSD [Thesis-Abstract]

The main focus of this investigation was to add value to high purity Sri Lankan graphite. Reduced graphene oxide(rGO) was synthesized using locally available graphite from Kahatagaha mines and purity was recorded as 99%. ...
Sustainable development of un-refined fly ash in eco-friendly high-volume fly ash concrete structures

Niroshan K [Thesis-Abstract]

Sustainable development in concrete industries is reducing the cement consumption in overall the world. Huge amount of carbon dioxide gas is released to the atmosphere during the production time of Portland cement. Carbon ...
Derivation of nanofibrillated cellulose from locally available rice straw

Ratnakumar A [Thesis-Abstract]

Cellulose has become a wonder material in the present context of research and development since it is fibrous and tough, hence biodegradable, biocompatible, and renewable natural polymer. Nowadays, rice straw as a cellulose ...
Correlation between the degree of corrosion and the ultrasonic parameters in steel

Piyathilake SAKVM [Thesis-Abstract]

In metallurgical engineering, corrosion is considered as one of the main reasons for the failure of metallic components. The main reason for this is that, the corrosion is a phenomenon which is mainly influenced by the ...
Effects of carbon black and graphene oxide additions on properties of ordinary portland cement composite

Chandima AMB [Thesis-Abstract]

The effect of the carbon black (CB) and graphene oxide (GO) on the mechanical properties and microstructure of cement mortar composite were studied by preparing CB-cement composite (CBCC) and GO-cement composite (GOCC) ...
Use of waste polyethylene for property improvement of concrete

Karunarathna TAK [Thesis-Abstract]

Polyethylene waste products, especially thin polyethylene bag wastes have become a global problem in Environment Pollution Control Management. The primary objective of this project was to manufacture a property improved ...
Computational study on lead alternative perovskites for perovskite solar cells

Kumarasinghe KAMM [Thesis-Abstract]

Hybrid organic-inorganic metal halide based perovskite solar cells (PSCs) lie at the heart of the emerging technologies of the solar cells due to their ability to increase the cell efficiencies dramatically over the last ...
Prediction of corrosion behavior of mild steel in different Sri Lankan atmospheric conditions

Adikari, AAMT [Thesis-Full-text]

Corrosion is defined as the deterioration of materials due to the reaction with its environment. According to the physical nature of environment, corrosion can be categorized as 'corrosion in atmosphere', 'corrosion in ...
Reinforcement of carboxylated nitrile rubber latex films by surface modified nanosilica

Ramasinghe, RLP [Thesis-Full-text]

Carboxylated acrylonitrile butadiene rubber (XNBR) is synthetic elastomer which inherent number of physical and chemical properties such as comparable barrier protection, good puncture and chemical resistance and high ...
Fabrication and characterization of surface modified nanofibrillated cellulose incorporated polypropylene composites

Kahawita, KDHN [Thesis-Full-text]

Increasing demand for materials with improved properties leads to acquiring advancement of nanomaterial. Therefore, Interest in nanocellulose has been increasing exponentially in recent years. Nanocellulose extracted from ...

Now showing items 1-20 of 56

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