Browsing Materials Engineering (MatEng) by Title
Now showing items 163-182 of 325
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Mechanism and Modeling of Contact Damage in ZrN-Zr and TiAIN-TiN Multilayer Hard Coatings
(2018-02-23)With the amalgamation of hard coating in cutting tools industries for three decades now, a stage with proven performance has been reached. Today, nearly 40% of all cutting tools used in machining applications are sheltered ... -
Metastable Phases In Mg-Based Alloys
(Indian Institute of Science, 2005-12-22)Mg-based alloys form a variety of interesting structures including stable and metastable crystalline, stable and metastable quasicrystalline, nanocrystalline and amorphous phases. Many of these phases can be made to coexist ... -
Micro-scale Fracture Testing of Graded (Pt,Ni)Al Bond Coats
(2018-04-16)PtNiAl bond coats are diffusion aluminide coatings deposited on superalloy based turbine blades for oxidation resistance and improved adhesion between the substrate and the YSZ thermal barrier coating on top. They are ... -
Microbially-induced Mineral Flocculation and Flotation with Proteins and Polysaccharides Isolated from Paenibacillus
The most significant environmental issue that has arisen in the mining industries over the last decade is that of acid mine drainage (AMD) from tailing dumps and waste mined rock piles. AMD is caused by the oxidation of ... -
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 ... -
Microstructural Evolution of Directionally Solidified Ni-Al-Re/Ru Alloys
Nickel based superalloys are high temperature materials which find application as blade and disc components of jet engines due to their ability to retain their mechanical properties at temperatures close to 0.8 of their ... -
Microstructural Stability of Fully Lamellar and Duplex y-TiAl Alloys During Creep
(2018-03-06)γ-TiAl based alloys have attracted considerable research interest in the past few decades and have gained niche high temperature applications in aero-engines and automobiles. As high temperature structural materials, these ... -
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 ... -
Microstructural, Mechanical and Oxidation Behavior of Ni-Al-Zr Intermetallic Eutectic Alloys
(2018-01-04)The excellent high temperature microstructure stability, high strength, and oxidation resistance of intermetallics has for long driven the development of intermetallic based alloys. More recent studies demonstrated attractive ... -
Microstructural, Mechanical and Oxidation Behavior of Ni-Al-Zr Ternary Alloys
(2018-01-09)The thesis introduces a novel alloy system based on submicron distributions of intermetallic phases realised through eutectic solidification in the ternary system Ni-Al-Zr. Various compositions in this system comprising ... -
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 mechanical properties of a 3D printed titanium alloy
The selective laser melting (SLM) process is increasingly being adopted for the manufacturing of metal parts as it provides better design flexibility and has the capability to produce near net shape complex parts, which ... -
Microstructure And Mechanical Properties Of Consolidated Magnesium Chips
(2013-04-04)Development of sustainable manufacturing and conservation of primary materials are the key challenges to environmental degradation and climate change. Recycling of primary materials is one of the approaches suggested for ... -
Microstructure and Shape Memory Behavior of quaternary Ni(50-x)-(Pt/Pd)x-Ti(50-y)-(Hf/Zr)y alloys
Shape memory alloys (SMA) are those class of alloys that can cause shape memory, pseudoelastcity and two-way memory effects due to reversible austenite to martensite phase transformations. The NiTi shape memory alloys ... -
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 ... -
Microstructure And Texture Evolution And Its Effect On Mechanical Properties In Dilute Magnesium Based AZ21 Alloy
(2009-03-05)Dilute Mg alloys are exclusively identified for wrought structural applications in automotive industry. Any improvement in mechanical properties of alloys is possible only by grain size refinement and by the development ... -
Microstructure and texture evolution in wire drawing and its role on the tension and torsion response of nickel microwires
It is now well known that the strength of the metallic materials depends on microstructural features such as dislocation density, grain size, and precipitates. The migration of lattice defects such as dislocations is a ... -
Microstructure Design And Interfacial Effects On Thermoelectric Properties Of Bi-Sb-Te System
(2017-09-07)Climate change is a subject of deep distress in today’s world. Over dependence on hydrocarbon has resulted in serious environmental problems. Rising sea level, global warming and ozone layer depletion are the mainstream ... -
Microstructure Development During Laser And Electron Beam Welding Of Ti/Ni Dissimilar Joints
(2009-09-02)Fusion welding of dissimilar metals constitutes a crucial processing stage in a variety of applications, and the use of high energy beams (HEB) like lasers and electron beams for such welding applications has several ...