Tribochemistry Of The Decomposition Mechanisms Of Perfluoropolyether Lubricants At The Head Disk Interface Of Hard Disk Drives In Uhv
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Tribochemistry Of The Decomposition Mechanisms Of Perfluoropolyether Lubricants At The Head Disk Interface Of Hard Disk Drives In Uhv
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Author : Chao-Yuan Chen
language : en
Publisher:
Release Date : 1999
Tribochemistry Of The Decomposition Mechanisms Of Perfluoropolyether Lubricants At The Head Disk Interface Of Hard Disk Drives In Uhv written by Chao-Yuan Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Study Of Perfluoropolyether Lubricant Transfer And Hydrocarbon Contamination At The Head Disk Interface
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Author : Young Woo Seo
language : en
Publisher:
Release Date : 2017
Study Of Perfluoropolyether Lubricant Transfer And Hydrocarbon Contamination At The Head Disk Interface written by Young Woo Seo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
To achieve an areal density of 1 terabit per square inch (1 Tb/in2) in hard disk drives, the mechanical spacing between the flying slider and the rotating disk has decreased to approximately 1 nm. With this decrease in spacing, the head-disk interface has become increasingly more susceptible to slider-disk contacts, wear, and lubricant transfer from the disk to the slider. Contamination at the head-disk interface can cause "flying stiction", flying instability, and read/write errors, leading ultimately to failure of the disk drive. It is essential to understand perfluoropolyether lubricant transfer and hydrocarbon contamination at the head-disk interface to improve the tribological performance and the reliability of hard disk drives. In this dissertation, perfluoropolyether lubricant transfer and lubricant fragmentation at the head-disk interface are investigated numerically as a function of temperature, local pressure change, and disk velocity. Molecular dynamics is used to study the effect of laser pulse peak power, pulse duration, and repetition rate on lubricant depletion. Hydrocarbon contamination at the head-disk interface is modeled experimentally by assuming a three-step mechanism for hydrocarbon contamination, consisting of evaporation, transfer, and condensation. In addition, a numerical investigation of hydrocarbon contamination at the head-disk interface is performed using molecular dynamics simulations. The results of this dissertation provide guidance in the design of perfluoropolyether and hydrocarbon lubricants to improve the tribological performance and reliability of the head-disk interface in hard disk drives.
Tribology Of Carbon Films As Protective Overcoats For High Areal Density Disk Drive Applications
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Author : Walton Fong
language : en
Publisher:
Release Date : 2002
Tribology Of Carbon Films As Protective Overcoats For High Areal Density Disk Drive Applications written by Walton Fong and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Journal Of Tribology
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Author :
language : en
Publisher:
Release Date : 2000
Journal Of Tribology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Tribology categories.
Interfacial Structure And Dynamics Of Perfluoropolyether Hard Disk Lubricants
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Author : Larry E. Bailey Jr.
language : en
Publisher:
Release Date : 2001
Interfacial Structure And Dynamics Of Perfluoropolyether Hard Disk Lubricants written by Larry E. Bailey Jr. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Thin Films
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Author :
language : en
Publisher:
Release Date : 2000
Thin Films written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Thin films categories.
Asme Technical Papers
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Author :
language : en
Publisher:
Release Date : 2000
Asme Technical Papers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Mechanical engineering categories.
Ultrathin Carbon Based Overcoats For Extremely High Density Magnetic Recording
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Author : Reuben Jueyuan Yeo
language : en
Publisher: Springer
Release Date : 2017-06-20
Ultrathin Carbon Based Overcoats For Extremely High Density Magnetic Recording written by Reuben Jueyuan Yeo and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-20 with Technology & Engineering categories.
This book presents the latest research in ultrathin carbon-based protective overcoats for high areal density magnetic data storage systems, with a particular focus on hard disk drives (HDDs) and tape drives. These findings shed new light on how the microstructure and interfacial chemistry of these sub-20 nm overcoats can be engineered at the nanoscale regime to obtain enhanced properties for wear, thermal and corrosion protection – which are critical for such applications. Readers will also be provided with fresh experimental insights into the suitability of graphene as an atomically-thin overcoat for HDD media. The easy readability of this book will appeal to a wide audience, ranging from non-specialists with a general interest in the field to scientists and industry professionals directly involved in thin film and coatings research.
Paper
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Author :
language : en
Publisher:
Release Date : 2000
Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Mechanical engineering categories.
Nanotribology
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Author : Stephen M. Hsu
language : en
Publisher: Springer
Release Date : 2012-10-08
Nanotribology written by Stephen M. Hsu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-08 with Technology & Engineering categories.
Nanotribology: Critical Assessment and Research Needs is an excellent reference for both academic and industrial researchers working in the fields of nanotechnology, tribology, mechanical engineering, materials science and engineering, MEMS, NEMS, magnetic recording, and biomedical devices. It will also be of interest to those pursuing scanning probe microscopy, nanoimaging, mesomanufacturing, sensors, actuators, aerospace, defense (controllers, microsystems), and military systems. Nanotribology: Critical Assessment and Research Needs provides a critical assessment of the current state of the art of nanotribology within the context of MEMS, mesomanufacturing, nanotechnology and microsystems. It contains chapters written by the leading experts in these fields. It identifies gaps in current knowledge and barriers to applications, and recommends research areas that need to be addressed to enable the rapid development of technologies.
