Materials Engineering (MatEng): Recent submissions
Now showing items 141-160 of 320
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Nanoparticles for Bio-Imaging : Magnetic Resonance Imaging and Fluorescence Imaging
(2018-07-19)This thesis provides several nanomaterial systems that can be used as contrast agents in magnetic resonance imaging (MRI) and for optical fluorescence imaging. Nanoparticle systems described in this thesis fall under three ... -
Moisture Barrier Polymer Nanocomposites for Organic Device Encapsulation
(2018-07-10)The advancement in smart technologies for organic conducting polymers as flexible substrates in LEDs, PVs and solid state lighting necessitates the development of ultra-high barrier films to protect the devices from moisture ... -
Development of Corrosion Protective Coating Systems for AZ31B Magnesium Alloy
(2018-07-05)Magnesium and its alloys are extensively used for various industries such as aerospace, automobile and electronics due to their excellent properties such as low density, high strength and stiffness and electromagnetic ... -
EMI Shielding Materials Derived from PC/SAN Blends Containing Engineered Nanoparticles
(2018-07-05)In recent years, increased use of electronic devices and wireless operations resulted in unavoidable electromagnetic (EM) pollution which has a significant impact on civil and military sectors. Considering the foremost ... -
Improving High Temperature Strength of 2219 Al Alloy by Minor Alloying Additions
(2018-06-25)Among Al alloys, 2219 Al alloy possesses highest strength at elevated temperatures. However, the application of this alloy is also restricted to a maximum temperature of 150°C, above which, the strengthening precipitates ... -
Hot Deformation Behaviour of Some Refractory Metals and Alloys
(2018-06-21)Out of the known refractory metals and alloys, molybdenum (Mo) and its alloys are very important due to their unique combination of properties which render them suitable for various applications. Owing to their good creep ... -
Microstructural Studies on High Cr-Mo Secondary Hardening Ultra-High Strength Steels
(2018-06-11)Secondary hardening ultra-high strength (SHUHS) steels possess a unique combination of strength, fracture toughness and stress corrosion cracking resistance, which makes them candidate materials for aircraft landing ... -
Bioremediation of Chromium : Mechanisms and Biosensing Applications
(2018-06-05)Water pollution, especially caused due to the indiscriminate release of heavy metals as a result of anthropogenic activities is a major concern worldwide. Chromium, a heavy metal, regardless of its commercial importance ... -
Design and Fabrication of Conjugated Molecule Based Resistive Sensor for Environmental Monitoring Detecting Targeted Analytes
(2018-06-05)Volatile organic compounds (VOCs) in air and heavy metal ions, anions, microorganism in water are environmental contaminants that require detection at certain low concentrations to avoid detrimental effects. Analytical ... -
Effect of Humidity and Temperature on Wear of TiN and TiAIN Coatings
(2018-05-30)When loss of material due to sliding of two solids is promoted/prevented, in the presence of chemically reacting liquid or gas, tribochemical wear is said to occur. Tribochemical wear, in which corrosive media promotes ... -
Mechanical and Corrosion Properties of Selective Laser Melted Alloys
(2018-05-23)Selective laser melting (SLM) of metallic powders is an additive manufacturing technique that is widely employed to produce 3D components, and is fast becoming an important method for manufacturing near-net shape and complex ... -
Whisker Growth from Electrodeposited Sn Coatings - Developing Materials Science and Mechanics Based Insights
(2018-05-23)Pure Sn and Sn-alloys are widely used in electrical and microelectronic devices as protective layer to prevent oxidation of Cu conductors and also as a component of Pb-free, Sn-based solders. Sn coatings, typically 0.5-10 ... -
Study on Development of Aluminium Based Metal Matrix Composites Using Friction Stir Processing
(2018-05-14)Composite materials are multifunctional materials having unique mechanical and physical properties that can be tailored to meet the requirements of a particular application. Aluminium based Metal Matrix Composites (MMC) ... -
Interface Engineering and Evaluation of Device Performance in Organic Photovoltaics
(2018-05-11)In recent years, organic photovoltaics (OPVs) have attracted considerable attention as a potential source of renewable energy over traditional materials due to their light weight, low production cost, mechanically stability ... -
Morpological Architecturing of Electroactive Materials in Organic Electronics
(2018-05-11)Morphological architecturing is one of the smart and efficient ways to maximize the number of excitons harvested from the known photoactive materials and existing fabrication technologies. Surfaces and interfaces play a ... -
Correlation Between Structure, Microstructure and Enhanced Piezoresponse Around the Morphotropic Phase Boundary of Bismuth Scandate-Lead Titanate Piezoceramic
(2018-05-11)Piezoelectric materials find use as actuators and sensors in automotive, aerospace and other related industries. Automotive applications such as fuel injection nozzles and engine health monitoring systems require operating ... -
Investigation of Graphene Oxide Based Multilayered Capsules/Films for Drugs Delivery And Antimicrobial Applications
(2018-04-24)Polyelectrolyte multilayer capsules fabricated by layer-by-layer (LbL) self-assembly technique consistsing of core-shell structure have emerged as potential drug delivery systems along with their applications in micro-reactors, ... -
Microstructural Developments and Mechanical Properties of Electroless Ni-B Coating
(2018-04-24)Phase transformation behavior, micro structural development, mechanical and tribological properties of electroless Ni-B coating was characterized using different characterization techniques. As deposited electroless Ni-B ... -
Structural, Ferroelectric, Piezoelectric and Phase Transition Studies of Lead Free (Na0.5Bi0.5)TiO3 Based Ceramics
(2018-04-23)Ferroelectric materials, especially the polycrystalline ceramics, are very promising material for a variety of applications such as high permittivity dielectrics, ferroelectric memories, piezoelectric sensors, piezoelect ... -
Effect of Heat Treatment and Modification on Flow and Fracture Behaviour of a Newly Developed Al-Si Based Cast Alloy
(2018-04-17)The compression behavior of a newly developed near eutectic Al-Si based cast alloy with three different microstructures has been investigated in the present work. Microstructures with modified and unmodified Si particles ...