multifunctional materials for tribological applications

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Multifunctional Materials For Tribological Applications

Author : Robert J. K. Wood
ISBN : 9789814463911
Genre : Technology & Engineering
File Size : 51. 27 MB
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An important aspect of engineering surfaces is that they need to be multifunctional as designs of machine components require cheaper, lighter, smarter, longer-wearing, and more environmentally friendly surfaces that see applications that are hotter, faster, highly pressurized, and exposed to other increasingly hostile environments. This can be achieved by use of modern advanced materials and coatings, which now usually are coated systems. This is a challenging area as usually there is antagonism between obtaining low friction and low wear as well as between high corrosion resistance and low wear. This book covers the increasingly important aspect for engineering surfaces to be multifunctional with a focus on tribological applications. It captures the state of the art regarding the emerging needs for multifunctional surface design for controlling wear, friction, and corrosion, as well as having decorative, self-healing, and/or self-sensing capabilities. It focuses on coatings and materials that include CVD diamond, diamond-like carbon, and multilayered and functionally graded systems for a range of engineering applications including machine tools, orthopedic joints, aero-engines/gas turbines, automotive engines, glass windows and walls, and offshore and marine sectors. It is a unique book as it discusses a range of wet- and dry-deposited coatings and multifunctional materials not often seen in one publication. It allows the reader to understand a wide range of design concepts and what is possible to achieve by current surface engineering techniques.

Composite Hybrid And Multifunctional Materials Volume 4

Author : Gyaneshwar Tandon
ISBN : 9783319069920
Genre : Technology & Engineering
File Size : 88. 21 MB
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Experimental Mechanics of Composite, Hybrid, and Multifunctional Materials, Volume 4: Proceedings of the 2014 Annual Conference on Experimental and Applied Mechanics, the fourth volume of eight from the Conference, brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on a wide range of areas, including: Composites for Energy Applications Novel/Bio Composites NDE of Composites Mechanical Testing of Composites Strain Measurements Using Digital Image Correlation Digital Image Correlation for Composite Structures Particulate Composites Nanocomposites

Advanced Rubber Composites

Author : Gert Heinrich
ISBN : 9783642195037
Genre : Technology & Engineering
File Size : 47. 79 MB
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Morphology–Property Relationship in Rubber-Based Nanocomposites: Some Recent Developments, by A. K. Bhowmick, M. Bhattacharya, S. Mitra, K. Dinesh Kumar, P. K. Maji, A. Choudhury, J. J. George and G. C. Basak; * Rubber–Clay Nanocomposites: Some Recent Results, by Amit Das, De-Yi Wang, Klaus Werner Stöckelhuber, René Jurk, Juliane Fritzsche, Manfred Klüppel and Gert Heinrich; * Surface Modification of Fillers and Curatives by Plasma Polymerization for Enhanced Performance of Single Rubbers and Dissimilar Rubber/Rubber Blends, by J. W. M. Noordermeer, R. N. Datta, W. K. Dierkes, R. Guo, T. Mathew, A. G. Talma, M. Tiwari and W. van Ooij; * Recent Developments on Thermoplastic Elastomers by Dynamic Vulcanization, by R. Rajesh Babu and Kinsuk Naskar; * PTFE-Based Rubber Composites for Tribological Applications, by M. S. Khan and G. Heinrich

Multifunctional Properties Of Nanostructured Zro2 Based Coatings For Tribological Applications

Author : Stéphane Lang
ISBN : OCLC:493712786
Genre :
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The loadings applied to engine components are increasing with the demand for more efficient, safer, and environmental friendlier cars. On the opposite to coatings for cutting applications, the future coatings should also protect the counterpart and reduce the friction between the bodies. In the past decade a new type of wear protective films -called nanocomposite coatings- showed promising results in terms of hardness and fracture toughness. Most of the investigations were performed with nitride or carbide-based materials. Oxides were less studied because of their brittleness, but these materials would offer the corrosion and temperature stability required in the future engines.In this work, we proposed an investigation of a nanocomposite coating based on oxides for tribological applications in various environments. We choose ZrO2 as oxide for high temperature applications and copper as surrounding. The properties of this coating were extended with the addition of carbon as solid lubricant material. First, we optimized the pulsed magnetron sputtering for the deposition of nanoparticles. This experience was applied to the deposition of ZrO2/Cu nanocomposite coatings. The Zr-Cu-O-C coatings were optimized for tribological applications under various environments. The film structure was correlated with the mechanical properties. The tribological behavior of this coating was investigated in various environments and wear conditions. The enhanced ion bombardment during the reactive sputtering was obtained by pulsing the cathodes, providing a high sputtering power to the targets, and applying a negative bias to substrate. Using these conditions, 10 nm-particles were captured. This experiment was verified in the ZrO2/Cu coatings with t-ZrO2 particles smaller than 20 nm. The insertion of 35 atomic percent carbon in the nanocomposite structure increased the hardness to 30 GPa and reduced the COF to 0.15. The hardness of this coating was stable in annealing tests up to 500°C. The structure investigations showed the presence of ZrO2 and ZrC particles inserted in a matrix of copper and a-C:H. This coating presented a low COF independent of the humidity in sliding tests without lubricants. The impact resistance was assured at high loads for medium durations and at low loads for long durations.

Multifunctional Materials

Author : Alan Buckley
ISBN : UOM:39015018851744
Genre : Technology & Engineering
File Size : 68. 9 MB
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The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners.

Comprehensive Nanoscience And Technology

Author :
ISBN : 0123743966
Genre : Science
File Size : 87. 5 MB
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From the Introduction: Nanotechnology and its underpinning sciences are progressing with unprecedented rapidity. With technical advances in a variety of nanoscale fabrication and manipulation technologies, the whole topical area is maturing into a vibrant field that is generating new scientific research and a burgeoning range of commercial applications, with an annual market already at the trillion dollar threshold. The means of fabricating and controlling matter on the nanoscale afford striking and unprecedented opportunities to exploit a variety of exotic phenomena such as quantum, nanophotonic and nanoelectromechanical effects. Moreover, researchers are elucidating new perspectives on the electronic and optical properties of matter because of the way that nanoscale materials bridge the disparate theories describing molecules and bulk matter. Surface phenomena also gain a greatly increased significance; even the well-known link between chemical reactivity and surface-to-volume ratio becomes a major determinant of physical properties, when it operates over nanoscale dimensions. Against this background, this comprehensive work is designed to address the need for a dynamic, authoritative and readily accessible source of information, capturing the full breadth of the subject. Its six volumes, covering a broad spectrum of disciplines including material sciences, chemistry, physics and life sciences, have been written and edited by an outstanding team of international experts. Addressing an extensive, cross-disciplinary audience, each chapter aims to cover key developments in a scholarly, readable and critical style, providing an indispensible first point of entry to the literature for scientists and technologists from interdisciplinary fields. The work focuses on the major classes of nanomaterials in terms of their synthesis, structure and applications, reviewing nanomaterials and their respective technologies in well-structured and comprehensive articles with extensive cross-references. It has been a constant surprise and delight to have found, amongst the rapidly escalating number who work in nanoscience and technology, so many highly esteemed authors willing to contribute. Sharing our anticipation of a major addition to the literature, they have also captured the excitement of the field itself in each carefully crafted chapter. Along with our painstaking and meticulous volume editors, full credit for the success of this enterprise must go to these individuals, together with our thanks for (largely) adhering to the given deadlines. Lastly, we record our sincere thanks and appreciation for the skills and professionalism of the numerous Elsevier staff who have been involved in this project, notably Fiona Geraghty, Megan Palmer and Greg Harris, and especially Donna De Weerd-Wilson who has steered it through from its inception. We have greatly enjoyed working with them all, as we have with each other.

Mechanics Of Composite And Multi Functional Materials Volume 7

Author : W. Carter Ralph
ISBN : 9783319417660
Genre : Technology & Engineering
File Size : 54. 29 MB
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Mechanics of Composite, Hybrid, and Multifunctional Materials, Volume 7 of the Proceedings of the 2016 SEM Annual Conference & Exposition on Experimental and Applied Mechanics, the seventh volume of ten from the Conference, brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on a wide range of areas, including: Recycled-Constituent Composites Nano and Particulate Composites Damage Detection and Non-Destructive Evaluation of Composites Fracture and Fatigue Novel Developments in Composites Additive Manufacturing of Composites Mechanics of Graphene & Graphene Oxide Smart Materials Novel Developments in Composites Manufacturing and Joining of Composites

Crc Handbook Of Lubrication And Tribology Volume Iii

Author : E. Richard Booser
ISBN : 1420050451
Genre : Technology & Engineering
File Size : 23. 82 MB
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Volume III extends this handbook series to cover new developments and topics in tribology that have occurred during the past decade. It includes in-depth discussions on revolutionary magnetic bearings used in demanding applications in compressors, high-speed spindles, and aerospace equipment. Extensive coverage is given to tribology developments in office machines and in magnetic storage systems for computers. Monitoring sensors are addressed in the first chapter, followed by chapters on specific monitoring techniques for automobiles, diesels, and rotating machines. One chapter is devoted to procedures used for tracking the remaining life of lubricants. Synthetic lubricants are discussed by outstanding specialists in this rapidly developing field. Synthetics are increasingly important in widely diverse areas, including compressors using the new ozone-layer-friendly refrigerants and a variety of extreme-temperature and environmentally-sensitive applications. Water- and gas-lubricated bearings are given similar attention. The contributors also develop a new, unified coverage for fatigue life of ball and roller bearings; for design and application of porous metal bearings; for self-contained lubrication, involving oil rings, disks, and wicks; and for plastic bearings. Each of these classes of bearings are used by the millions daily throughout industry. The three-volume handbook is an essential reference to tribologists and lubrication, mechanical, and automotive engineers. It is invaluable to lubricant suppliers; bearing companies; those working in the aerospace industry; and anyone concerned with machine design, machinery wear, and maintenance.

High Performance Structures And Composites

Author : C. A. Brebbia
ISBN : 1853129046
Genre : Building materials
File Size : 50. 18 MB
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The papers featured in this book cover a wide range of topics related to advanced types of structures and the behaviour of composites. Originally presented at the First International Conference on High Performance Structures and Composites, the contributions highlight the latest developments in design, optimisation, manufacturing and experimentation within these areas.Most of the structures described are of the non-conventional type because their design is based on new concepts or new types of materials, while a considerable number of papers focus on new types of composites.

Mechanics Of Biological Systems And Materials Volume 5

Author : Barton C. Prorok
ISBN : 9781461444275
Genre : Technology & Engineering
File Size : 21. 92 MB
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Mechanics of Biological Systems and Materials, Volume 5: Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics represents one of seven volumes of technical papers presented at the Society for Experimental Mechanics SEM 12th International Congress & Exposition on Experimental and Applied Mechanics, held at Costa Mesa, California, June 11-14, 2012. The full set of proceedings also includes volumes on Dynamic Behavior of Materials, Challenges in Mechanics of Time-Dependent Materials and Processes in Conventional and Multifunctional Materials, Imaging Methods for Novel Materials and Challenging Applications, Experimental and Applied Mechanics, MEMS and Nanotechnology and, Composite Materials and Joining Technologies for Composites.

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