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140122 ||| eng |
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|a 9781468403350
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| 100 |
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|a Bhushan, Bharat
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| 245 |
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|a Tribology and Mechanics of Magnetic Storage Devices
|h Elektronische Ressource
|c by Bharat Bhushan
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| 250 |
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|a 1st ed. 1990
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| 260 |
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|a New York, NY
|b Springer New York
|c 1990, 1990
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| 300 |
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|a XVIII, 1019 p
|b online resource
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| 505 |
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|a 1. Introduction -- 1.1 Definition and History of Tribology -- 1.2 Industrial Significance of Tribology -- 1.3 Physics of Magnetic Recording -- 1.4 Magnetic Data-Storage Systems -- 2. Solid Surface Characterization -- 2.1 The Nature of Surfaces -- 2.2 Statistical Analysis of Surface Roughness -- 2.3 Measurement of Surface Roughness -- 2.4 Measurement of Isolated Asperities -- 2.5 Physico-Chemical Characteristics of Surface Layers -- 3. Contact between Solid Surfaces -- 3.1 Physical Properties of Polymers -- 3.2 Apparent and Real Area of Contact -- 3.3 Analysis of the Real Area of Contact -- 3.4 Measurement of the Real Area of Contact -- 4. Friction -- 4.1 Introduction -- 4.2 Need for Controlled Friction -- 4.3 Friction Theories -- 4.4 Role of Physical Properties in Magnetic Tapes -- 4.5 Role of Interlayer Pressure in Magnetic Tapes -- 4.6 Role of Chemical Properties in Magnetic Tapes -- 4.7 Role of Physical and Chemical Properties in Rigid Disks --
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|a 9.1 Lubrication Analysis -- 9.2 Measurement of Air-Film Thickness -- 10. Surface Finishing of Ceramic Head Materials -- 10.1 Grinding and Lapping Processes -- 10.2 Residual Stresses -- 10.3 Specific Energy -- 10.4 Interface Temperatures -- 10.5 Surface Finish and Morphology -- 10.6 Alternate Methods of Finishing Ferrites -- Appendix A: Techniques for Measuring Mechanical Properties of Thin Films -- Appendix B: Surface Analytical Techniques -- Appendix C: Accelerated Friction and Wear Tests -- Name Index
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|a 5. Interface Temperature of Sliding Surfaces -- 5.1 Introduction -- 5.2 Thermal Analysis -- 5.3 Application of Analysis to Particulate Magnetic Media -- 5.4 Temperature Measurement of Particulate Magnetic Tapes -- 6. Wear Mechanisms -- 6.1 Types of Wear Mechanics -- 6.2 Head Wear -- 6.3 Medium Wear -- 6.4 Head-Medium Wear Studies using Autoradiographic Techniques -- 6.5 Head-Tape Wear Studies In-Situ SEM -- 6.6 Tape-Path Component Wear -- 7. Measurement Techniques of Head and Medium Wear -- 7.1 Head and Tape Wear -- 7.2 Head Slider and Rigid Disk Wear -- 8. Lubrication Mechanisms and Lubricants -- 8.1 Regimes of Lubrication -- 8.2 Types of Lubricants -- 8.3 Methods of Lubrication in Magnetic Media -- 8.4 History of Lubricants for Magnetic Media -- 8.5 Mechanisms of Lubrication in Magnetic Media -- 8.6 Stability Studies of Magnetic Tape and Floppy Disk Lubricants -- 8.7 Volatility Studies of Rigid Disk Lubricants -- 9. Analysis and Measurement of Hydrodynamic Air Films --
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| 653 |
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|a Classical Mechanics
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| 653 |
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|a Corrosion
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| 653 |
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|a Tribology
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| 653 |
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|a Corrosion and anti-corrosives
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| 653 |
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|a Mechanics
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| 653 |
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|a Coatings
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| 041 |
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|a eng
|2 ISO 639-2
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| 989 |
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|b SBA
|a Springer Book Archives -2004
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| 028 |
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|a 10.1007/978-1-4684-0335-0
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| 856 |
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|u https://doi.org/10.1007/978-1-4684-0335-0?nosfx=y
|x Verlag
|3 Volltext
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|a 667.9
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|a 620.11
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|a Magnetic recording is presently a $50 billion industry. It spans audio, video, and digi tal applications in the form of tapes and disks. The industry is expected to grow by a factor of five or more in the next decade. This growth will be accompanied by dramatic improvements in the technology, and the potential exists for magnetic-recording den sities to improve by at least one order of magnitude! Magnetic-recording process is accomplished by relative motion between a mag netic head and a magnetic medium. Types of magnetic media for digital recording are: flexible media (tapes and floppy disks) and rigid disks. Physical contact between head and medium occurs during starts and stops and hydrodynamic air film develops at high speeds. Hying heights (mean separation between head and medium) are on the order of 0. 1 micrometer comparable to surface roughness of the mating members. Need for higher and higher recording densities requires that surfaces be as smooth as possible and flying heights be as low as possible. Smoother surfaces lead to increased static/ kinetic friction and wear. In the case of magnetic tapes, in order to have high bit capac ity for a given size of a spool, we like to use as thin a tape substrate as possible. Thinner tapes are prone to local or bulk viscoelastic deformation during storage. This may lead to variations in head-tape separations resulting in problems in data reliability
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