Browsing Materials Engineering (MatEng) by Title
Now showing items 62-81 of 311
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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, ... -
Effect of Process Parameters on the Growth of N-Polar GaN on Sapphire by MOCVD
(2017-09-20)Group III-Nitrides (GaN, InN & AlN) are considered one of the most important class of semiconducting materials after Si and GaAs. The excellent optical and electrical properties of these nitrides result in numerous ... -
Effect Of Processing And Test Variables On The Deformation Characteristics Of Tantalum
(2016-11-23)The dependence of flow stress of body centered cubic metals on variables such as strain rate, temperature, strain and microstructural is a research area of continued interest. Recently, there has been renewed interest in ... -
Effect of Processing Mg-6zn-0.2ce Through High-pressure Torsion on Its Use as a Biomaterial
Here, we investigate the effect of high-pressure torsion (HPT), a severe plastic deformation process, on the mechanical properties, corrosion, and cytotoxicity of Mg-6Zn-0.2Ce alloy, a candidate material for bioresorbable ... -
Effect of processing on texture and microstructure in Aluminium-Lithium alloys and its consequences on mechanical properties
Lightweight Aluminium -Lithium based alloys have high potential for use in aerospace structural components. However, large anisotropy in mechanical properties restricts the use of these alloys. The alloy AA2195 (Al-Li-Cu-Mg-Ag-Zr) ... -
Effect of Sintering on Microstructure and Mechanical Properties of Air Plasma Sprayed 7 wt.% Y2O3 Stabilized ZrO2
Air plasma sprayed (APS) 7 wt.% Y2O3 stabilized ZrO2 (7YSZ) coating is conventionally used for thermal insulations (in form of thermal barrier coating, TBC) in various hotter sections of land-based gas turbine engines and ... -
Effect of thermo-mechanical treatment on the evolution of microstructure and mechanical properties in a β and a β rich α+β titanium alloy
Near β and metastable β-titanium alloys are difficult to process due to narrow processing window. Lower processing temperature causes difficulty in recrystallization of these alloys especially in the two phase conditions, ... -
Effect of Thermomechanical Processing on Microstructure And Microtexture Evolution in Titanium Alloys
(2017-09-26)The properties of titanium alloys are based on alloy compositions and microstructures that consist of mixtures of the two allotropic modifications of titanium, the low temperature α (hcp) and the high temperature β (bcc) ... -
Electric Field Driven Structural Transformations in BaTiO3 and Lead Zirconate Titanate (PZT) based Piezoceramics
Ferroelectrics are important class of functional materials that finds application in transducers, actuators, memory devices, electro-optics and position sensing devices. Until recently, the high performance piezoelectrics ... -
Electrobioleaching Of Sphalerite Flotation Concentrate
(2012-11-19) -
Electrochemical Behavior of Metallic Coatings Containing Carbonaceous Additives
Coatings have been traditionally used for protection against corrosion. Therefore, substantial efforts have been focused on engineering the microstructure and morphology of coatings to enhance their corrosion resistance ... -
Electromagnetic interference shielding materials derived from epoxy based nanocomposites
The thesis entitled “EMI shielding materials derived from epoxy based nanocomposites” systematically studies the effect of CF and surface modified CF on the EMI shielding of epoxy composites. In addition, to target the ... -
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, ... -
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 ... -
Engineering Bioactive And Multifunctional Graphene Polymer Composites for Bone Tissue Regeneration
(2017-09-26)The growing incidences of orthopedic problems globally have created a huge demand for strong bioactive materials for bone tissue engineering. Over the years, studies have shown chemical, physical, and mechanical properties ... -
Engineering Bioactive Polymer/Ceramic Composite Nanofibrous Scaffolds for Bone Tissue Regeneration
Tissue repair and regeneration is a natural healing process seen in human body in response to injuries and infections. The regenerative capacity of most tissues decelerates with age and its associated pathological conditions. ... -
Enhancement in corrosion resistance of selected high entropy alloys by incorporation of carbon nanotubes
High entropy alloys (HEAs) have attracted considerable interest due to their remarkable structural and functional properties. HEAs generally contain 5–13 principal elements with the concentrations of each component lying ... -
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 ...