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Proceedings Papers

Predicting Fly-Height Modulation and Contact Forces in Ultra-Low Flying Head-Disk Interfaces Using a Tri-State Switching Dynamic Contact Model

Sung-Chang Lee, Andreas A. Polycarpou
Proc. ASME. TRIB2001, ASME 2001 Symposium on Nanotribology and Nanotechnology for 1Tbit/in2, 27-35, October 21–24, 2001
Paper No: TRIB-NANO2001-104
DOI: https://doi.org/10.1115/TRIB-NANO2001-104
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Topics: Disks, Dynamics (Mechanics), Air bearings, Contact dynamics, Damage, Degrees of freedom, Design, Dynamic models, Excitation, Rotating disks
Proceedings Papers

Ultrathin CN x Overcoats for 1 Tb/in 2 Hard Disk Drive Systems

De-Jun Li, Murat U. Guruz, Yip-Wah Chung
Proc. ASME. TRIB2001, ASME 2001 Symposium on Nanotribology and Nanotechnology for 1Tbit/in2, 61-64, October 21–24, 2001
Paper No: TRIB-NANO2001-108
DOI: https://doi.org/10.1115/TRIB-NANO2001-108
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Topics: Disks, Rotation, Atomic force microscopy, Carbon, Corrosion, Damage, Momentum, Silicon, Sputtering (Irradiation), Surface roughness
Proceedings Papers

A New Finite-Element Based Suspension Model Including Displacement Limiters for Load/Unload Simulations

Stefan Weissner, Uwe Zander, Frank E. Talke
Proc. ASME. TRIB2001, ASME 2001 Symposium on Nanotribology and Nanotechnology for 1Tbit/in2, 11-17, October 21–24, 2001
Paper No: TRIB-NANO2001-102
DOI: https://doi.org/10.1115/TRIB-NANO2001-102
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Topics: Displacement, Engineering simulation, Finite element analysis, Simulation, Stress, Disks, Degrees of freedom, Pressure
Proceedings Papers

PFPE Lubricant Bonding to Carbon Overcoats

Ryan Z. Lei, Kris R. Paserba, Andrew J. Gellman, Nisha Shukla, Laura M. Cornaglia
Proc. ASME. TRIB2001, ASME 2001 Symposium on Nanotribology and Nanotechnology for 1Tbit/in2, 45-53, October 21–24, 2001
Paper No: TRIB-NANO2001-106
DOI: https://doi.org/10.1115/TRIB-NANO2001-106
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Topics: Bonding, Carbon, Lubricants, Disks, Contamination, Data storage systems, Ethers (Class of compounds), Evaporation, Reliability, Temperature
Proceedings Papers

The Future of Magnetic Recording

Roger Wood
Proc. ASME. TRIB2001, ASME 2001 Symposium on Nanotribology and Nanotechnology for 1Tbit/in2, 1-2, October 21–24, 2001
Paper No: TRIB-NANO2001-100
DOI: https://doi.org/10.1115/TRIB-NANO2001-100
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Topics: Magnetic recording, Disks, Data storage systems, Density, Geometry, Inventions, Materials properties, Packing (Shipments), Packings (Cushioning), Storage
Proceedings Papers

Self-Adjusting Flying Height Sliders for Operation in the Near-Contact Recording Regime

J. Hanchi, C. I. Serpe, W. Qian, Z. Boutaghou
Proc. ASME. TRIB2001, ASME 2001 Symposium on Nanotribology and Nanotechnology for 1Tbit/in2, 19-26, October 21–24, 2001
Paper No: TRIB-NANO2001-103
DOI: https://doi.org/10.1115/TRIB-NANO2001-103
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Topics: Bearings, Disks, Geometry, Texture (Materials)
Proceedings Papers

Head-Disk Interface Issues for Near Contact Recording

R. H. Wang, V. Raman, U. V. Nayak
Proc. ASME. TRIB2001, ASME 2001 Symposium on Nanotribology and Nanotechnology for 1Tbit/in2, 37-43, October 21–24, 2001
Paper No: TRIB-NANO2001-105
DOI: https://doi.org/10.1115/TRIB-NANO2001-105
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Topics: Air bearings, Disks, Pressure
Proceedings Papers

Comparison of Energetic Carbon Deposition Processes for Use As Ultra-Thin Disk Overcoats

Richard L. White, Bing K. Yen, Jan-Ulrich Thiele, Hans-Herman Schneider, James H. Rogers, Bernd Jacoby
Proc. ASME. TRIB2001, ASME 2001 Symposium on Nanotribology and Nanotechnology for 1Tbit/in2, 65-72, October 21–24, 2001
Paper No: TRIB-NANO2001-109
DOI: https://doi.org/10.1115/TRIB-NANO2001-109
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Topics: Carbon, Disks, Plasma-enhanced chemical vapor deposition, Nitrogen, Atomic force microscopy, Bonding, Carbon films, Manufacturing, Manufacturing tools, Mechanical properties
Proceedings Papers

Shock Test Modeling of a Hard Disk Drive Using Hypermesh and LS-Dyna

Eric M. Jayson, James Murphy, Paul W. Smith, Frank E. Talke
Proc. ASME. TRIB2001, ASME 2001 Symposium on Nanotribology and Nanotechnology for 1Tbit/in2, 89-93, October 21–24, 2001
Paper No: TRIB-NANO2001-112
DOI: https://doi.org/10.1115/TRIB-NANO2001-112
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Topics: Disks, Modeling, Shock (Mechanics), Actuators, Boundary-value problems, Displacement, Finite element analysis, Finite element model, Generators, Horizontal directional drilling
Proceedings Papers

Thermal Behavior of Magnetoresistive Heads: An Analysis of the Thermal Asperity Problem

Francis E. Kennedy, Li Chen, David B. Bogy
Proc. ASME. TRIB2001, ASME 2001 Symposium on Nanotribology and Nanotechnology for 1Tbit/in2, 73-80, October 21–24, 2001
Paper No: TRIB-NANO2001-110
DOI: https://doi.org/10.1115/TRIB-NANO2001-110
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Topics: Air bearings, Cooling, Disks, Fluctuations (Physics), Geometry, Heating, Particulate matter, Signals, Temperature, Thin films
Proceedings Papers

Tribological Property Analyses of DLC Films on Ceramic Ball Surfaces With 3-D FEA Method and Experiments

Chuanwei Zhang, Le Gu, Dezhi Zheng
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 63-65, October 7–10, 2012
Paper No: IJTC2012-61068
DOI: https://doi.org/10.1115/IJTC2012-61068
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Topics: Ceramics, Diamond films, Finite element analysis, Tribology, Disks, Shear stress, Stress, Stress concentration, Carbon, Coatings
Proceedings Papers

Effect of Proteins on Film Formation in Bovine Serum Lubricated Contacts Under Rolling/Sliding Conditions

Martin Vrbka, Tomas Navrat, Ivan Krupka, Martin Hartl, Jiri Gallo
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 39-41, October 7–10, 2012
Paper No: IJTC2012-61089
DOI: https://doi.org/10.1115/IJTC2012-61089
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Topics: Proteins, Film thickness, Disks, Artificial joints, Ceramics, Diluents, Glass, Interferometry, Lubrication, Metals
Proceedings Papers

A Thermo-Mechanical Finite Element Analysis of Light Sliding Contact at the Head-Disk Interface

Yuliang Liu, Jia Lou, David B. Bogy, Guangyu Zhang
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 335-337, October 7–10, 2012
Paper No: IJTC2012-61063
DOI: https://doi.org/10.1115/IJTC2012-61063
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Topics: Disks, Finite element analysis, Thermomechanics, Temperature, Magnetic recording, Aluminum, Corners (Structural elements), Deformation, Finite element model, Friction
Proceedings Papers

Flying Height Control Using Dual Thermal Protrusions in Heat Assisted Magnetic Recording (HAMR)

Shaomin Xiong, Liping Li, David B. Bogy
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 339-341, October 7–10, 2012
Paper No: IJTC2012-61083
DOI: https://doi.org/10.1115/IJTC2012-61083
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Topics: Heat, Magnetic recording, Disks, Computer simulation, Control systems, Density, Feedback, Lasers, Storage
Proceedings Papers

Direct Observation of Surface Transition During Scuffing in Dry Condition

Kazuyuki Yagi, Naoya Ikeda, Joichi Sugimura, Seiji Kajita, Toshihide Ohmori, Takatoshi Shinyoshi, Atsushi Suzuki
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 305-307, October 7–10, 2012
Paper No: IJTC2012-61139
DOI: https://doi.org/10.1115/IJTC2012-61139
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Topics: Deformation, Disks, Flow (Dynamics), Friction, Microscopes, Sapphire, Steel, Temperature
Proceedings Papers

The Effects of Floor Roughness on Shoe-Floor Friction Adhesion and Hysteresis

Matthew Cowap, Kurt Beschorner
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 111-113, October 7–10, 2012
Paper No: IJTC2012-61152
DOI: https://doi.org/10.1115/IJTC2012-61152
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Topics: Adhesion, Friction, Surface roughness, Rubber, Detergents, Tiles, Accidents, Blasting, Fluids, Gears
Proceedings Papers

Lubricant Flow and Evaporation Model for Heat Assisted Magnetic Recording Systems Including Reactive End-Group Effects and Thin-Film Viscosity

Joanna E. Bechtel, David B. Bogy
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 347-349, October 7–10, 2012
Paper No: IJTC2012-61167
DOI: https://doi.org/10.1115/IJTC2012-61167
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Topics: Evaporation, Flow (Dynamics), Heat, Lubricants, Magnetic recording, Thin films, Viscosity, Pressure, Disks, Film thickness
Proceedings Papers

Simultaneous Measurements of Friction Forces and Contact Areas During Shearing of Nanometer-Thick Liquid Lubricant Films

Shintaro Itoh, Takumi Mizuno, Yusuke Norizuki, Kenji Fukuzawa, Hedong Zhang
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 25-27, October 7–10, 2012
Paper No: IJTC2012-61154
DOI: https://doi.org/10.1115/IJTC2012-61154
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Topics: Die cutting, Friction, Lubricants, Shearing (Deformation), Probes, Fibers, Mechanical properties, Shear (Mechanics), Deflection, Design
Proceedings Papers

Local Adaptive Multi-Grid Control Volume Method for the Air Bearing Problem in Hard Disk Drives

Liping Li, David B. Bogy
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 185-187, October 7–10, 2012
Paper No: IJTC2012-61118
DOI: https://doi.org/10.1115/IJTC2012-61118
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Topics: Air bearings, Disks, Algorithms, Simulation, Stability, Steady state
Proceedings Papers

Influence of Surface Roughness on Traction and Scuffing Performance of Lubricated Contacts for Aerospace and Automotive Gearing

Sam Shon, Ahmet Kahraman, Kelsen LaBerge, Brian Dykas, David Stringer
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 87-89, October 7–10, 2012
Paper No: IJTC2012-61212
DOI: https://doi.org/10.1115/IJTC2012-61212
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Topics: Aerospace industry, Surface roughness, Traction, Gears, Polishing, Steel, Automotive transmissions, Disks, Lubricants, Mirrors