Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 44 for “"coating materials"”.
-
Polydimethylsiloxane-Based Self -Healing Composite and Coating Materials
… research focus is on self-healing polymer coatings which prevent corrosion of a metal substrate after deep scratch damage. The anti-corrosion properties of the self-healing polymer on metal substrates are investigated by corrosion resistance and electrochemical tests. Even after scratch …
-
Development of Iron-Based Soft Magnetic Composites with Novel Coating Materials
… characteristic can be effectively exploited, SMC materials may provide a step improvement in the performance of electric machines, progressing the global shift towards the electricifaction of transportation methods. SMC materials consist of a base magnetic powder with an electrically resistive …
-
Thermal Evolution of MAS, YSZ and GZO Thermal Barrier Coating Materials in Benign and CMAS Rich Environments
Abradable thermal barrier coatings (TBCs) play a crucial role as thermal insulators and dynamic seals in turbine engines. However, the conventional choice, yttria-stabilised zirconia (YSZ), exhibits vulnerabilities, such as sintering induced stiffening, phase transformations, and susceptibility to …
-
Ceramic coatings for silica and sapphire optical waveguides for high temperature embedding and sensing
… waveguides are extended considerably by suitably coating them. Plastic coated silica waveguides are gradually replacing metal coaxial cables used in communications and they have been used successfully in various types of sensing. Unfortunately plastic coatings cannot withstand very high …
-
An Evaluation of Coating Material Dependent Toxicity of Silver Nanoparticles
… (AgNPs) synthesized using numerous types of coating materials may exhibit different toxicity effects. The study evaluated coating material dependent toxicity by selecting 3 types of AgNP synthesis methods with different coating materials (citrate, polyvinyl pyrrolidone, and branched …
-
Design of Fouling-Resistant Coatings for Energy Systems: Theory and Proof of Principle at Realistic Conditions
… for foulant-agnostic thin film (sub-micrometer) coatings, based on minimizing van der Waals (vdW) forces between a material surface and any foulant immersed in a fluid. First-principles calculations of Hamaker constants are used to determine candidate coating materials. These materials are then …
-
The Deformation and Fracture of Thick Thermal Barrier Coatings
Plasma-sprayed thick thermal barrier coatings (TTBCs) are being developed for thermal protection of diesel engine components in high temperature service. Comparing to thin thermal barrier coatings used in gas turbine industry, increased thickness causes some TTBCs failure to occur within the bulk …
-
Tribological studies of micro/nanoscale thin solid films
… requirements, it is necessary to explore new materials and develop experimental and theoretical framework to better understand the coating system. In this work, five different topics in regard to thin solid films have been studied. First, the adhesion behavior of thin film layers in contact …
-
Immediate release ginseng chewable tablets and sustained release amino acid pellets based on dry powder coating technology platform
Based on the dry powder coating technology platform, this study aimed to develop immediate release ginseng chewable tablets using the electrostatic powder coating technique and sustained release amino acid pellets using the plasticizer powder coating technique. For the immediate release ginseng …
-
Coating Thermal Noise in Gravitational-Wave Detectors
… arising from the highly reflective multilayer coatings on the test mass mirrors. Reducing this coating thermal noise, particularly its Brownian component, while simultaneously maintaining exceptionally low optical absorption and scatter is necessary to advance detector capabilities. This thesis …
-
Development of a Novel Grease Resistant Functional Coatings for Paper-based Packaging and Assessment of Application by Flexographic Press
… developments have created a need for alternative materials and methods for imparting oil/grease resistance to paper and/or paperboard used in packaging. The performance of a novel grease resistant functional coating comprised of polyvinyl alcohol (PVA), sodium tetraborate pentahydrate (borate) and …
-
Assessment of Passive Fire Protection on Steel-Girder Bridges
… fire protection systems. Therefore, new materials and applications are needed to mitigate structural damage that can be caused to civil infrastructure by severe fires. Accordingly, the objective of this study is to further the development of new fire protection applications in …
-
ESA based fiber optical humidity sensor
… achieve this, some chemicals induce on specific coating materials were applied at the end of optical fiber. In this thesis, experimental results are given to prove that the humidity sensor has high sensitive and fast response time. Furthermore, we investigate the potential for the use of human …
-
Toxicity of manufactured nano-ZnO to Lemna minor
… toxicity matches the release of Zn2+. Functional coating materials are commonly added to nano-ZnO particles to improve specific industrial applications. To test if coating materials contribute to nano-ZnO toxicity on lesser duckweed, the effect of silane coupling agent (KH550) coated nano-ZnO on …
-
Pengaruh jenis pati sebagai bahan dasar edible coating dan suhu penyimpanan terhadap kualitas buah tomat (Lycopersicon esculentum Mill.)
… respirasi dan transpirasi adalah teknik edible coating. Edible coating pati singkong (Manihot esculenta) dan pati ganyong (Canna edulis Ker.) dapat diaplikasikan untuk melapisi buah tomat (Lycopersicon esculentum Mill.). Pelapis edible berbahan polisakarida berfungsi sebagai barrier yang …
-
Effects of Tricalcium Phosphate Coated Titanium on Adjacent Early Bone Formation
… growth around these implants. Several different coating materials have been used to increase bone formation. Titanium (Ti) surfaces have been coated with hydroxyapatite (HA), plasma spray, and several blasting techniques have been implemented. Tricalcium phosphate (TCP) is a coating that has been …
-
Effect Of Surfaces On Strength Evolution Of Silicon Nanostructures
… of Si nanostructures by looking at more coating materials and longer time scales.
-
Synthesis and functionalisation of metal and metal oxide nanoparticles for theranostics
… the carboxyl, amine or hydroxyl groups on the coating materials. Recrystallisation of the coating materials to form HCl salts, was found to increase the binding efficiency with no detrimental effects to the particles. These coated SPIOs were found to be stable in a range of buffered solutions …
-
COLD SPRAYED COATINGS WITH DUAL NANOPARTICLE REINFORCEMENTS FOR WEAR AND CORROSION PROTECTION
… to an aluminum substrate as a cold sprayed coating. Using nano-boron carbide (nB4C) and boron nitride nanoplatelets (BNNP) at various combinations up to 2 vol%, an increase of 11.59% in hardness from the control was achieved. Wear testing of each coating was performed, but most of the tests …
-
Recycling of worn-out vehicular brake pads and discs
… this issue, including the recycling of friction materials recovered from exhaust brake pads and the refurbishing of worn-out brake discs by coating with metallic powders through direct energy deposition. For refurbishing worn-out brake discs, laser deposition technique I indicated to be a …
Page 1 of 3