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 ...
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 ...
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 ...
Carboxylated acrylonitrile butadiene rubber (XNBR) latex is a widely used synthetic copolymer of acrylonitrile and butadiene with a small amount of a third monomer containing carboxylic groups. Some of the mechanical ...
This thesis is focused on developing an alternative roofing material for asbestos fibre cement sheets. Coal Fly ash (CFA) was selcted as the main matrix modifier, which was collected from the electrostatic precipitator in ...
Thermogravimetric (TG) analysis and differential thermogravimetric (DTG) analysis are the most commonly used analytical techniques to determine the kinetic behaviour of solid-state chemical reactions through Arrhenius ...
Though insulation is critical to the performance of an electrical cable the assessment of the status of an insulation is still a major challenge. Since the root cause of most electrical cable failures is due to insulation ...
Recycling of scrap steel to produce ribbed steel bars is a common practice followed in many countries. Selection of the best composition of ingredients for the melt is a huge challenge faced by the manufacturers in the ...
The flexible polyurethane foams have been fabricated from polymeric 4,4’-di-phenylmethane diisocyanate (MDI) and polyols. Catalysts play a major role in polyurethane foam preparation controlling the reaction profile ...
The conventional blast cupola in Sri Lanka is faced with new challenges such as how to minimize the energy consumption and economically produce good cast iron product with available resources.
The important factor for ...
This dissertation describes a study of the fatigue behavior of stiffeners on flange fillet welded joints stressed perpendicular to the weld line. The study included an experimental phase in which the fatigue life and ...
Development of a ceramic based cookware body with adequate thermal shock resistance was successfully developed using low cost raw materials. The objective of this work was to determine the composition and thermal shock ...
Steel is one of the major construction materials which play an important role in the construction industry in Sri Lanka. The supply of durable construction materials is always identified as one of the major obstacles to ...
Carbon black is a generic term for an important family of products used for the reinforcement of rubber, which is also a black pigment, and an electrically conductive properties of filler material. It is a fluffy powder ...
Properties of clay brick includes strength, water absorption, durability, expansion, efflorescence and pitting due to lime. Generally these properties are measured using destructive testing methods and as a result sampling ...
It is observed that frequent rudder failures of Sri Lanka Navy’s fast attack craft which are equipped with conventional propulsion system. Therefore, it was unable to effectively utilize these craft for operational ...
Effect of reflux temperature on synthesis of Chitosan / nano Hydroxyapatite composite
In this study, effect of reflux temperature for synthesis of chitosan / Nano-hydroxyapatite composites was investigated. Chitosan / ...
The water distribution main in the Colombo south area itself experiences around about 3000 failures per year and these causes emergency situations where in some cases it causes disruptions in water supply and require ...
This research is based on the results of the study of ultrasonic pulse velocity and
compressive strength of ordinary Portland cement mortar. Objectives of this study are to
determine correlations between ultrasonic pulse ...
The metal tubes are often used in aircraft to convey fluids to one or more destinations as they are capable of withstanding high levels of internal pressure and hoop stresses. The internal surfaces of fluid carrying metal ...