Browsing Materials Engineering (MatEng) by thesis submitted date"2021"
Now showing items 1-18 of 18
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Architecting and Developing Sensors for Environmental Monitoring
Pollution arising from inorganic and organic contaminants is a major environmental hazard that needs imperative attention. Anthropogenic and natural deposition of heavy metal ions constitute a significant component of this ... -
Development of a coarsening resistant microstructure in precipitation strengthened aluminium alloys with Zr, Ta and Hf
The work herein aims at developing precipitation-strengthened aluminium-copper (Al-Cu) alloys that can meet the current challenges of the aeronautical and automobile sectors to increase the fuel efficiency where operating ... -
Effect of microstructure and texture on the dwell fatigue behaviour of titanium alloys
Ever since the failure of the fan blades of the Rolls Royce gas turbine engine that powered the Lockheed Martin tristar aircraft in 1972, ambient temperature dwell fatigue (DF) in titanium alloys has received considerable ... -
Effect of off-stoichiometry, grain size and chemical substitution on microstructure, global structure, electromechanical and energy storage properties of lead free Na0.5Bi0.5TiO3 (NBT) based piezoceramics
Ferroelectric and piezoelectric materials, especially the polycrystalline ceramics, are promising candidates for application in pressure sensors, actuators, transducers, ultrasonic motors, energy storage capacitors, ... -
Electromechanical properties of PbTiO3 based piezoelectric ceramics and energy harvesting application of their flexible polymer composites
Ferroelectric and piezoelectric polycrystalline ceramics exhibiting large electromechanical response are sought after in electronic devices such as actuators, transducers in sonar, sensors, accelerators, aerospace, ... -
Eutectic microstructures: Role of interfacial energy anisotropy and diffusivities
Eutectic alloys find a wide application in industrial cast alloys, solder alloys, and in the emerging field of functional materials. Apart from technological applications, multiphase eutectic alloys have also received keen ... -
Evaluation of Low-stress High-temperature Creep: Insights into the Harper-dorn Creep
The theory of creep behavior of single crystals and polycrystalline materials having large grains at very low-stresses and at very high temperatures, as originally proposed by Harper and Dorn in 1957, has been under constant ... -
Evolution of recrystallization texture in face-centered cubic materials: Role of twin boundaries
The phenomenon of recrystallization and corresponding texture evolution in metallic systems has been studied for several decades yet not understood completely. The complexity of the problem arises due to its dependence on ... -
Exotic eutectic microstructures
Solidification of eutectic systems delivers compelling examples of microstructure formation, which makes the phenomena intriguing to many engineers and scientists. Therefore, eutectic solidification is extensively studied ... -
Extraction of Creep Parameters from Indentation Creep Experiment: An Artificial Neural Network- Based Approach
Conventional methods for extracting creep properties require conducting several uniaxial tests at different loads, which consumes an intensive amount of material and time. Indentation may minimize the material volume ... -
Inkjet-Printed Co-continuous Mesoporous Oxides for Surface Dominated Functional Devices
Over the last few decades, printed and flexible electronics have emerged as a major area of research, which may cater multiple domains of application requirements for the forthcoming industrial revolution. The solution ... -
Investigation of thermoelectric properties of Sn-Te based alloys with microstructural studies
The basic concept of thermoelectricity is the conversion of dissipated heat into electricity with applications in the areas such as automobile engineering, refrigerating coolants, satellites, etc. The thermoelectric figure ... -
Investigation of Thin Films for Frequency Selective Surface Based Radar Absorbing Structures
Modern day stealth aircraft uses microwave absorbers for absorption of incident Radar signals transmitted by rival aircraft. Recently, several attempts were made to fabricate radar absorbing structures (RAS) of various ... -
Mechanical and curing behavior of tetra-functional epoxy reinforced with nano-fillers
Synopsis Tetra-functional epoxy resins are used as a matrix for aerospace composites owing to their excellent mechanical, adhesive, corrosion resistance and thermal properties. Although epoxy is a high-performance ... -
Microstructure and Electrochemical Properties of Electrodeposited High Entropy Alloys Coatings
High entropy alloys (HEA) are composed of five or more alloying elements in a nearly equi-atomic ratio. HEAs exhibit high oxidation and corrosion resistance behaviour. In this work, HEA coatings were electrodeposited over ... -
Microstructure and texture engineering strategies to enhance the corrosion resistance of tin based coatings
Coating corrosion-prone material with metal/alloy and passivated oxide layers is the primary protection method in the ever-evolving corrosion protection area. To improve the corrosion resistance of the coatings, the coating ... -
On the development of Fe-containing high entropy alloys with improved strength at high temperatures
The emergence of new multicomponent high entropy alloys (HEA) has opened up new avenues for development of high performance materials for structural applications [1]. Among all of them, the precipitation strengthened HEAs ... -
Printed and Low Temperature Processed Oxide Electronics with Superior Electrical Performance and Mechanical Reliability
In line with the forthcoming industrial revolution, printed and flexible electronics is a rapidly developing research area that involves wearable and consumer electronics to be produced in large quantities and be connected ...