Browsing Materials Engineering (MatEng) by Title
Now showing items 81-100 of 234
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Improvement of High Temperature Oxidation Behavior of ‘w’ Free Y strengthened Co-based Superalloys through Alloying Addition
The discovery of coherent g-g’ microstructure in Co-Al-W and Co-Al-Mo-Nb/Ta systems represents new possibilities for turbine engines materials. Their chemical and mechanical properties are similar to commercially successful ... -
Improvement of High Temperature Strength of Al and Co Alloy by L12 Type Coherent Precipitates
The present work aims at developing a new class of high temperature alloys based on ordered intermetallic compound that forms coherently with the matrix during solid state transformation. The chosen intermetallics have ... -
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 ... -
Indentation Strength Of Piezoelectric Ceramics
(2011-08-30) -
Influence of Electric Field on the Global and Local Structure in the Ferroelectric Ceramic Na1/2Bi1/2TiO3 and its Solid Solutions with BaTiO3 and K1/2Bi1/2TiO3
(2018-08-14)Ferroelectric ceramics are very promising materials for a variety of piezoelectric applications such as high permittivity dielectrics, piezoelectric sensors, piezoelectric/electrostrictive transducers, actuators, electro-optic ... -
Influence of Surface Topography and Tribosystem on Reciprocating Friction in Sparsely Lubricated Contacts
Surface texturing to achieve reduced sliding friction has been a widely studied topic, as seen in contemporary literature. Laser surface texturing, grinding and ion beam milling are popular techniques accepted by researchers ... -
Insights into the Influence of Electric Field on the Structural Evolution and its Correlation with the Properties in the Lead-based BiScO3-PbTiO3 and the Lead-free Na0.5Bi0.5TiO3 based Piezoceramics
Advanced piezoelectric ceramics are widely used as piezoelectric sensors, transducers, actuators, etc. Among the commercially viable piezoelectric systems, lead zirconate titanate, PbZr1-XTiXO3 (PZT) has dominated the ... -
Intelligent Microcontainers : Fabrication, Characterization And Tunable Release Properties For Drug Delivery
(2013-06-26)Polyelectrolyte capsules fabricated by layer-by-layer (LbL) technique are introduced as a simple and efficient carrier system for spontaneous deposition of proteins and low molecular water soluble drug. The objective of ... -
Interdiffusion Studies In Metal Silicon Systems
(2013-07-10)Metal silicon systems have a wide range of applications, ranging from the use in electronic industry, as superconductors, protective coatings and as high temperature structural materials. Mo- and Nb-based silicides have ... -
Interdiffusion Study in Group IVB, VB and VIB Refractory Metal-Silicon Systems
(2018-04-13)The knowledge of diffusion parameters provides important understanding of many physical and mechanical properties of materials. In most of the applications silicides are grown by a diffusion controlled process mainly in ... -
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 ... -
Interfacial Processes in Densification of Cubic Zirconia
(2018-02-21)Sintering, a process of forming dense solid bodies from powder compacts remains the most important route for processing of ceramics. The process of sintering involves formation and growth of necks during initial stage, ... -
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, ... -
An Investigation On The Effect Of Structural And Microstructural Attributes On Magnetostriction Of Tb-Dy-Fe And Fe-Ga Alloys
(2016-04-26)Giant magnetostrictive RFe2 type (R represents rare earths) intermetallics form an important class of magnetic materials keeping in view of their potential applications as sensors and/ or actuators. In this thesis, one ... -
Investigations On The Properties Of TiN, NbN Thin Films And Multilayers By Reactive Pulsed Laser Deposition
(2013-10-21)Two technologies, namely Laser Technology and Surface Modification Technology, have made rapid strides in the last few decades. The lasers have evolved from a simple laboratory curiosity to a matured industrial tool and ... -
Ion-Nitriding Of Maraging Steel (MDN 250A Grade) For Light Combat Aircraft Applications
(2009-05-12)Maraging steels have got high strength and good toughness. Maraging steel MDN 250A grade is used for slat tracks on the leading edge of the wing of Light Combat Aircraft (LCA). This application requires high strength and ... -
Kinetics Of Pressureless Infiltration Of Al-Mg Alloys Into Al2O3 Preforms : A Non-Uniform Capillary Model
(2009-03-06)Al-Mg alloys spontaneously infiltrate into porous ceramic preform in a nitrogenous atmosphere above 750 °C with Mg either pre-alloyed or introduced at the interface to initiate the process. The governing process variables ...