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Friction And Wear Micromechanisms Of Carbon Coated Thin Film Magnetic Rigid Disks And Application Of Ion Beam Technology In Head Media Tribology
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Book Synopsis Friction and Wear Micromechanisms of Carbon-coated Thin-film Magnetic Rigid Disks and Application of Ion Beam Technology in Head/media Tribology by : Bo Wei
Download or read book Friction and Wear Micromechanisms of Carbon-coated Thin-film Magnetic Rigid Disks and Application of Ion Beam Technology in Head/media Tribology written by Bo Wei and published by . This book was released on 1994 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1995 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tribochemistry of Thin Film Magnetic Recording Disks by : Brian Douglas Strom
Download or read book Tribochemistry of Thin Film Magnetic Recording Disks written by Brian Douglas Strom and published by . This book was released on 1993 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deposition, Characterization, and Tribological Studies on Carbon Overcoats for Magnetic Storage Disks by : Tse-an Yeh
Download or read book Deposition, Characterization, and Tribological Studies on Carbon Overcoats for Magnetic Storage Disks written by Tse-an Yeh and published by . This book was released on 1993 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tribology and Mechanics of Magnetic Storage Devices by : Bharat Bhushan
Download or read book Tribology and Mechanics of Magnetic Storage Devices written by Bharat Bhushan and published by Springer. This book was released on 2012-02-22 with total page 1019 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Friction, Wear, and Interfacial Chemistry in Thin Film Magnetic Rigid Disk Files by : M. T. Dugger
Download or read book Friction, Wear, and Interfacial Chemistry in Thin Film Magnetic Rigid Disk Files written by M. T. Dugger and published by . This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present results of a study of hemispherical pins of manganese-zinc ferrite sliding against rigid disks composed of thin films of a sputtered cobalt-nickel-platinum alloy and carbon, with perfluoropolyether as the topical lubricant. The contact life, as marked by the total distance slid to the point at which the coefficient of friction increases rapidly over the steady state value, is much longer in air with 50 percent relative humidity than in dry air or vacuum. The wear debris generated in humid air is much finer and is enriched with cobalt on its surface. In dry air and vacuum, the debris is substantially larger than one micron and tends to be enriched with nickel on its surface. We present a hypothesis which explains the wear mechanisms in various operating environments.
Book Synopsis Deposition, Characterization and Tribological/magnetic Studies of Diamond-like Carbon and Magnetic Thin Films by : Geng Wang
Download or read book Deposition, Characterization and Tribological/magnetic Studies of Diamond-like Carbon and Magnetic Thin Films written by Geng Wang and published by . This book was released on 1997 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1994 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Effects on the Friction, Wear and Durability of Thin-film Magnetic Hard Disks by : Kathryn Jean Wahl
Download or read book Environmental Effects on the Friction, Wear and Durability of Thin-film Magnetic Hard Disks written by Kathryn Jean Wahl and published by . This book was released on 1992 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Tribological Behaviour of Thin-film Magnetic Hard Disks Using Scratch Tests and Acoustic Emission by : Hong Li
Download or read book Study of Tribological Behaviour of Thin-film Magnetic Hard Disks Using Scratch Tests and Acoustic Emission written by Hong Li and published by . This book was released on 1994 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Wear Studies of Magnetic Media Disks by : Catherine Anne Keely
Download or read book Experimental Wear Studies of Magnetic Media Disks written by Catherine Anne Keely and published by . This book was released on 1985 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atomic-Scale Friction Measurements Using Friction Force Microscopy: Part II- Application to Magnetic Media by :
Download or read book Atomic-Scale Friction Measurements Using Friction Force Microscopy: Part II- Application to Magnetic Media written by and published by . This book was released on 1993 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomic Force/Friction Force Microscopes (AFM/FFM) were used to study tribological properties of metal-particle tapes with two roughnesses, Co gamma Fe2O3 tapes (unwiped and wiped), and unlubricated and lubricated thin-film magnetic rigid disks (as-polished and standard textured). Nanoindentation studies showed that the hardness of the tapes through the magnetic coating is not uniform. These results are consistent with the fact that the tape surface is a composite and is not homogeneous. Nanoscratch experiments performed on magnetic tapes using silicon nitride tips revealed that deformation and displacement of tape surface material occurred after one pass under light loads approx. 100 nN). A comparison between friction force profiles and the corresponding surface roughness profiles of all samples tested shows a poor correlation between localized values of friction and surface roughness.
Book Synopsis Tribological and Mechanical Properties of Rigid Magnetic Recording Disks by : Farid Kaymaram
Download or read book Tribological and Mechanical Properties of Rigid Magnetic Recording Disks written by Farid Kaymaram and published by . This book was released on 1990 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atomic-Scale Friction Measurements Using Friction Force Microscopy. Part 2. Application to Magnetic Media by :
Download or read book Atomic-Scale Friction Measurements Using Friction Force Microscopy. Part 2. Application to Magnetic Media written by and published by . This book was released on 1993 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomic Force/Friction Force Microscopes (AFM/FFM) were used to study tribological properties of metal-particle tapes with two roughnesses, Co-gamma Fe2O3 tapes (unwiped and wiped), and unlubricated and lubricated thin-film magnetic rigid disks (as-polished and standard textured). Nanoindentation studies showed that the hardness of the tapes through the magnetic coating is not uniform. These results are consistent with the fact that the tape surface is a composite and is not homogeneous. Nanoscratch experiments performed on magnetic tapes using silicon nitride tips revealed that deformation and displacement of tape surface material occurred after one pass under light loads (approx. 100 nN). A comparison between friction force profiles and the corresponding surface roughness profiles of all samples tested shows a poor correlation between localized values of friction and surface roughness. Detailed studies of friction and surface profiles demonstrate an excellent correlation between localized variation of the slope of the surface roughness along the sliding direction and the localized variation of friction. Atomic-scale friction in magnetic media and natural diamond appears to be due to adhesive and ratchet (roughness) mechanisms. Directionality in the local variation of atomic-scale friction data was observed as the samples were scanned in either direction, resulting from the scanning direction and the anisotropy in the surface topography. Atomic-scale coefficient of friction is generally found to be smaller than the macro coefficient of friction as there may be less ploughing contribution in atomic-scale measurements.
Book Synopsis On the Friction of Thin Film Rigid Disks by : Harm Visscher
Download or read book On the Friction of Thin Film Rigid Disks written by Harm Visscher and published by . This book was released on 2001 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Adsorption of Moisture on Carbon Films Used as Overcoats for Rigid Disk Thin Film Magnetic Recording Media by : Keith Goodson
Download or read book The Adsorption of Moisture on Carbon Films Used as Overcoats for Rigid Disk Thin Film Magnetic Recording Media written by Keith Goodson and published by . This book was released on 1992 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Glass and Plastic Substrates written by and published by . This book was released on 1985 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
