Browsing Materials Engineering (MatEng) by Title
Now showing items 218-237 of 286
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Some Critical Issues Pertaining To Deformation Texture In Close-Packed Metals And Alloys : The Effect Of Grain Size, Strain Rate And Second Phase
(2013-05-20)Crystallographic texture in polycrystalline materials are known to play an important role in tailoring suitable properties for various technological applications. In addition, the evolution of texture provides a profound ... -
Some Mechanical Properties of Ti-6Al-4V-B Alloys
(2017-09-27)The alloys of Ti are extensively used in a number of industries with the α+β alloy Ti-6Al-4V (referred to as Ti64 hereafter) being the most popular. Recently, it was demonstrated that the addition of a small amount of B ... -
Some Processing and Mechanical Behavior Related Issues in Ti-Ni Based Shape Memory Alloys
(2017-11-30)Shape memory alloys (SMAs) exhibit unique combination of structural and functional properties and hence have a variety of current and potential applications. The mechanical behaviour of SMAs, in particular the influence ... -
Strain Hardening in Extruded Pure Magnesium
There has been a surge in interest in wrought magnesium alloys for structural applications in automotive industry. However, the application of wrought alloys is limited by its poor plasticity, due to its inherent strong ... -
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 ... -
Structure property correlation studies on Ca-modified Ba(Ti, Zr/Sn)O3 piezoceramics
In this thesis we have investigated the structure, property correlation of the lead-free piezoelectric ceramic of (Ba,Ca) (Ti,Zr/Sn)O3 system. A self-consistent set of experimental techniques such as X-ray powder diffraction, ... -
Structure, Microstructure and Magnetic Properties of Fe-Ga and R-Fe based Magnetostrictive Thin Films
(2018-02-27)Magnetostrictive materials belong to an important class of smart magnetic materials which have potential applications as ultrasonic transducers, sensors, actuators, delay lines, energy harvesting devices etc. Although, ... -
Structure-Property Correlation in Binary Immiscible Polymer Blends Compatibilized by Mutually Miscible Homopolymer and Carbonaceous Nanoparticles
The thesis systematically studies the various morphology, mechanical properties, crystallization kinetics and compatibilization effects of homopolymers, carbonaceous nanoparticles such as multiwall carbon nanotubes (MWNTs), ... -
Structure-Property correlation in epoxy composites containing carbonaceous nanoparticles
Epoxy is widely used as thermosetting materials in carbon fiber composites due to its combined superior thermal and mechanical properties which makes them a potential candidate for myriad applications. But epoxy suffers ... -
Structures, Thermodynamics and Phase Relations in Selected Oxide Systems
(Indian Institute of Science, 2005-02-08)Understanding of the interrelationship between structure, thermodynamic properties and phase diagrams is very useful for rationalizing the behavior of materials and development of predictive models, which can be used to ... -
Studies Of Glass Formation In Al-La-Ni And Mg-TM-RE Alloys With A Structure Mapping Approach
(2010-07-14)The glass-forming composition ranges in Al-La-Ni and Mg-TM (Cu, Zn)-Y alloys were predicted using Miedema’s model. Glass-forming abilities of Al-La-Ni alloys and Mg-Cu-RE alloys were studied in terms of reduced glass ... -
Studies On Acid Production Potential Of Some Sulphide Minerals And Bioremediation Of Acid Mine Drainage
(2009-08-19)Acid mine drainage (AMD) is a worldwide environmental problem associated with the mining wastes, generated from active and inactive mining sites from mineral processing activities. AMD is defined as the drainage that occurs ... -
Studies On Bio-Oxidation A Refractory Gold Containing Sulphidic Concentrate With Respect To Optimization And Modeling
(Indian Institute of Science, 2005-12-22)Although bacterial leaching of sulphidic minerals is a well-known phenomenon, it is only in the last ten years that full-scale bacterial leaching plants have been commissioned for gold processing. In order for bacterial ... -
Studies On Biodegradation Of Organic Flotation Collectors Using Bacillus polymyxa
(Indian Institute of Science, 2005-12-22)Numerous organic reagents of diverse structural composition are employed in the froth flotation process for the beneficiation of non-metallic and sulphide ores. Alkyl xanthates are used as collectors for sulphide ores while ... -
Studies on Bioremediation of Cr (VI) using Indigenous Bacterial Strains Isolated from a Chromite Mine
(2018-02-16)Heavy metals are released into the environment either by natural processes or by anthropogenic activities. Industries such as leather tanning, textiles, metallurgical, electroplating and mining activities discharge the ... -
Studies On Bulk And Multilayer Composites Of Nb-Si Alloys
(2013-08-02)The present thesis deals with Nb-Si alloy composites in both bulk and multilayer forms. The work has been divided into two parts. First part (chapter 4-6) deals with Nb based silicides binary and ternary alloys with ... -
Studies On Corrosion Of Some Structural Materials In Deep Sea Environment
(Indian Institute of Science, 2005-12-22)Efficient exploitation and conservation of the oceans poses great technological challenges for scientists and engineers who must develop materials, structures and equipment for use in harsh environment of the oceans. For ... -
Studies On Dissimilar Metal Welding
(2010-07-23)The area of research dealing with joining of dissimilar metals has been active in recent time. Although fusion and non-fusion techniques of joining have been effectively used for manufacturing components, a comprehensive ... -
Studies on Fracture in Ductile Bulk Metallic Glasses
Bulk metallic glasses (BMGs) possess very attractive mechanical properties like high yield strength (~ 2 GPa), high elastic strain limit (2 %), and good corrosion resistance. BMGs display fracture toughness values (in mode ...