Anti-Abrasive Nanocoatings

Mahmood Aliofkhazraei is a PhD researcher in the Corrosion and Surface Engineering Group at the Tarbiat Modares University in Tehran, Iran. Having obtained his academic degrees from this university, his research has focussed on different aspects of nanocoatings. He is the author of over 50 scientific publications on nanocoatings and has received numerous scientific awards, including the Khwarizmi Award. In 2010, he was selected as the best young nanotechnologist nationwide. Mahmood is also a member of the National Association of Surface Sciences, Iranian Corrosion Association and the National Elite Foundation of Iran.

• List of figuresList of tablesAbout the editorAbout the contributorsPrefacePart One 1. Wear, friction and prevention of tribo-surfaces by coatings/nanocoatings 1.1 Introduction1.2 Friction of materials1.3 Wear in metals, alloys and composites1.4 Materials and their selection for wear and friction applications1.5 Coatings/nanocoatings and surface treatments1.6 ConclusionAcknowledgementsReferences2. An investigation into the tribological property of coatings on micro- and nanoscale 2.1 Drivers of studying the origin of tribology behavior2.2 Contact at nanometer scale2.3 Atomic friction with zero separation2.4 Scratching wear at atomic scale2.5 ConclusionReferences3. Stress on anti-abrasive performance of sol-gel derived nanocoatings 3.1 Classical curvature stress for thin films on plate substrates3.2 Thermal stress of thin films3.3 Why do drying films crack?3.4 Cracks by stress come from constraint of shrinkage by the substrate3.5 Rapid sol-gel fabrication to confront tensile trailing cracks3.6 Anti-abrasive SiO2 film in application: self-assembling covalently bonded nanocoating3.7 Abrasive test3.8 Anti-abrasive performance of sol-gel nanocoatings3.9 ConclusionAcknowledgmentsReferences4. Self-cleaning glass 4.1 Introduction4.2 History of glass4.3 Self-cleaning glass4.4 Hydrophilic coating4.5 Anti-reflective coating4.6 Porous materials4.7 Photocatalytic activity of TiO24.8 Hydrophobic coatings4.9 Fabrication of self-cleaning glass4.10 Application of self-cleaning glassesAcknowledgementsReferences5. Sol-gel nanocomposite hard coatings 5.1 Introduction5.2 Sol-gel nanocomposite hard coatings5.3 Mechanical property studies of sol-gel hard coatings on various substrates5.4 Possible applications of hard coatings5.5 SummaryAcknowledgmentsReferences6. Process considerations for nanostructured coatings 6.1 Overview6.2 Anti-reflection coatings6.3 Fluidized bed method6.4 Electroplating6.5 Nanografting6.6 Plasma spray coating6.7 Nanostructuring in thin films6.8 Electrochemical deposition6.9 Anti-corrosion coating6.10 Infrared transparent electromagnetic shielding6.11 Underlying science – self-assembly6.12 ConclusionsReferences Part Two 7. Nanostructured electroless nickel-boron coatings for wear resistance 7.1 Introduction7.2 Synthesis of electroless nickel-boron coatings7.3 Morphology and structure of electroless nickel-boron coatings7.4 Mechanical and wear properties of nanocrystalline electroless nickel-boron coatings7.5 Corrosion resistance7.6 ConclusionReferences8. Wear resistance of nanocomposite coatings 8.1 Introduction8.2 Materials and methods8.3 Results and discussion8.4 ConclusionsAcknowledgmentsReferences9. Machining medical grade titanium alloys using nonabrasive nanolayered cutting tools 9.1 Metallurgical Aspects9.2 Machining of titanium alloys9.3 Machining with coated cutting tools: a case study9.4 ConclusionsAcknowledgmentsReferences10. Functional nanostructured coatings via layer-by-layer self-assembly 10.1 Introduction10.2 LbL process10.3 LbL-deposited nanostructured coatings with different functions10.4 ConclusionsAcknowledgmentReferences11. Theoretical study on an influence of fabrication parameters on the quality of smart nanomaterials 11.1 Introduction11.2 Literature survey on VO211.3 Synthesis techniques description11.4 ConclusionReferences12. Formation of dense nanostructured coatings by microarc oxidation method 12.1 Introduction12.2 Phenomena of MAO-coating formation12.3 Voltage–current characteristics12.4 Discussion about growth mechanism of MAO coating12.5 Model of fractal growth of the dense wear-resistant layer12.6 Macro- and microstructure of MAO coatings12.7 Wear-resistant properties12.8 ConclusionReferences13. Current trends in molecular functional monolayers 13.1 Introduction13.2 Steps for self-assembly13.3 Mechanism13.4 Characterization of SAMs13.5 Use of SAMs for various applications13.6 Self-assembled monolayers on gold substrates13.7 Si-C monolayer formation and C-C bonding13.8 Supramolecular assembly on surface–host-guest interactions and other non-covalent bonding13.9 Self-assembled monolayers on other surfaces such as titania nanotubes13.10 Chemical and electrical biosensors13.11 Quality improvement13.12 ConclusionsReferences14. Surface engineered nanostructures on metallic biomedical materials for anti-abrasion 14.1 Introduction14.2 Surface technologies on metallic biomedical materials for anti-abrasion14.3 Future prospectsReferences15. Theoretical modeling of friction and wear processes at atomic level 15.1 Introduction15.2 MD method15.3 Quantum chemistry methods15.4 Basic types of problems15.5 Lubrication and one-electron transfers15.6 ConclusionReferences16. Mechanical characterization of thin films by depth-sensing indentation 16.1 Introduction16.2 Hardness16.3 Young’s modulus16.4 ConclusionAcknowledgementsReferences Part Three 17. Advanced bulk and thin film materials for harsh environment MEMS applications 17.1 Introduction17.2 Piezoelectric substrates17.3 Non-piezoelectric substrates17.4 Thin piezoelectric films17.5 Metal electrodes17.6 ConclusionReferences18. Plasma-assisted techniques for growing hard nanostructured coatings: An overview 18.1 Introduction18.2 Hard nanocoatings: from history to designs and properties18.3 Main plasma-based techniques for synthesis of hard nanocoatings18.4 ConclusionAcknowledgmentsReferences19. Thermal spray nanostructured ceramic and metal-matrix composite coatings 19.1 Introduction19.2 Nanostructured feedstock19.3 Nanostructured coatings19.4 Proven applications19.5 Possible future applications19.6 SummaryAcknowledgementsReferences20. Thermally sprayed nanostructured coatings for anti-wear and TBC applications: State-of-the-art and future perspectives 20.1 Introduction20.2 Thermal spraying processes20.3 Typical nanostructured coatings for technological applications20.4 ConclusionReferences21. Hard thin films: Applications and challenges 21.1 Introduction21.2 Characterization of thin films21.3 Challenges21.4 SummaryReferences Index