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Liquid-Crystal Nanomaterials

Tribology and Applications

Paperback Engels 2019 9783319892825
Verwachte levertijd ongeveer 9 werkdagen

Samenvatting

This book discusses the tribological, rheological and optical properties of liquid-crystal nanomaterials as well as lubricant media. It also describes the formation of liquid-crystal materials and the application of cholesteric liquid-crystal compounds in technical friction units and in human and animal joints. Further, it shows the connection between the tribological and other physical properties of liquid-crystal cholesterol compounds and develops a lubricity conceptual model of cholesteric–nematic, liquid-crystalline nanostructures on the basis of physical and energetic interpretations. This general model is valid for all surfaces and friction pairs, including biopolymers, and could lead to applications of cholesteric liquid-crystalline nanomaterials in different friction units and tribosystems as well as in the treatment of joint diseases.

Specificaties

ISBN13:9783319892825
Taal:Engels
Bindwijze:paperback
Uitgever:Springer International Publishing

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Inhoudsopgave

<p>PREFACE</p> <p>INTRODUCTION</p> <p>1. STRUCTURE AND PROPERTIES OF LIQUID–CRYSTAL NANOMATERIALS </p> <p>1.1.       Classification and Structure of Liquid-Crystal Nanomaterials</p> <p>1.2. Mesomorphous and Optical Properties of Cholesteric Liquid-Crystal Nanomaterials </p> <p>1.3. Physical Anisotropy and Application of Cholesteric Liquid-Crystal Nanomaterials </p> <p>2. TRIBOLOGY AND LUBRICATION OF SOLIDS</p> <p>2.1. Modern Antifriction and Antiwear Additives in Tribology (Passive Friction Control) </p> <p>2.2.  Present-Day Advances in Control of Antifriction Behavior of Solids (Active Friction Control) </p> <p>2.3. Effect of Lattice-Ordered Lubricant Film on Friction of Solids </p> <p>2.3.1. Structure of Fine Fluid Layers on the Solid Body Contact </p> <p>2.3.2. Surface Forces in Fine Fluid Interlayers  </p> <p>2.3.3. Effects Observed During Deformation of Structured Boundary Layers</p> <p>2.3.4. The Concept of the Micropolar Fluid</p> and Related Hydrodynamic Effects<p></p> <p>2.4. Tribology of Synovial Joints – Unique Natural Rubbing Organs </p> <p>2.4.1. General Concepts of   Joints Friction, Wear and Lubrication</p> <p>2.4.2. Conceptual Approaches to the Explanation of Low Friction in the Joints</p> <p>3. ENGINEERING AND TECHNIQUE OF EXPERIMENTAL TESTS OF LIQUID-CRYSTAL NANONATERIALS </p> <p>3.1. Triboengineering Tests</p> <p>3.1.1. Triboengineering Tests on Standard Equipment  </p> <p>3.1.2.  Integral-Counting Method for Estimation of Small Variations of Oscillation Parameters for High-Precision Tribometry </p> <p>3.1.3. Experimental Setup for the Simulation of Friction Processes in Natural Rubbing Organs – Joints </p> <p>3.1.4. Tribometric Equipment for Precision Tests of  Metal- and Biopolymer Coupling </p> <p>3.2. Methods to Determine the Structuring Additives and Their Content in the Basic Compositions  </p> <p>3.2.1.  Infrared Spectroscopy </p> <p>3.2.2. Determin</p>ation of the Concentration of the Liquid Crystal Additive in the Base Compositions by Measuring a Rotation Angle of  Polarization Plane <p></p> <p>3.2.3.  Development of Methods and Equipment to Control the Mesophase of  Cholesteric Liquid-Crystal Nanomaterials and Their Compounds </p> <p>4. TRIBOLOGICAL PROPERTIES OF LIQUID-CRYSTAL NANOMATERIALS </p> <p>4.1. Influence of  Liquid-Crystal  Nanomaterials on Frictional Interaction of Chemically-Inactive Materials  </p> <p>4.2. Influence of Liquid-Crystal Nanomaterials on Friction of Metal Coupling </p> <p>4.3. Adsorptive Properties of  Liquid-Crystal Compounds </p> <p>4.3.1. Interaction of Liquid-Crystal Nanomaterials with Hard Surface under the Condition of  Static Contact </p> <p>4.3.2. Triboinduced Adsorption of Liquid-Crystal Nanomaterials under Frictional Interaction of Solids </p> <p>4.4. The Role of  Liquid-Crystal Additives in Mechanism of Friction, Wear and Lubrication of </p> Tribocouples <p></p> <p>4.5. Diagnostics of Liquid-Crystal Cholesterol Compounds in Lubricants by Optical  Methods </p> <p>4.6. Lubricity of Cholesteric Liquid-Crystal Nanomaterials and Their Mixtures Depending on the Temperature </p> 5. PRACTICAL APPLICATION OF LIQUID-CRYSTAL NANOMATERIAL  IN  ENGINEERING AND MEDICINE <p></p> <p>5.1. Application of  Liquid-Crystal Nanomaterials when Running-in of  Internal-Combustion Engines </p> 5.2. Liquid-Crystal Nanomaterials as Antiwear Engine Oil Additives  <p></p> <p>5.3. Assessment  of  Liquid-Crystal Compositions’  Efficiency when Polishing of  Diamonds </p> <p>5.4. Artificial Mediums Based on  Liquid-Crystal  Nanomaterials  for Correction of  Joint Tribology </p> <p>5.5. Antifriction Plastic Greases Based on Intermediate Products of Oil Refining and Liquid Crystalline Compounds </p> <p>ConclusionS</p> <p>Abbreviations and Nomenclature</p> SUBJECT INDEX <p></p>

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