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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
https://doi.org/10.1115/IJTC2012-61063
View Paper titled, A Thermo-Mechanical Finite Element Analysis of Light Sliding Contact at the Head-Disk Interface
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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
https://doi.org/10.1115/IJTC2012-61083
View Paper titled, Flying Height Control Using Dual Thermal Protrusions in Heat Assisted Magnetic Recording (HAMR)
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Topics: Heat, Magnetic recording, Disks, Computer simulation, Control systems, Density, Feedback, Lasers, Storage
Proceedings Papers

Transient Thermo-Mechanical Plowing Contact Between Rigid Sphere and Elastic-Plastic Sphere

Wenping Song, Andrey Ovcharenko, Longqiu Li, Guangyu Zhang, Frank E. Talke
Proc. ASME. IJTC2012, ASME/STLE 2012 International Joint Tribology Conference, 343-345, October 7–10, 2012
Paper No: IJTC2012-61115
https://doi.org/10.1115/IJTC2012-61115
View Paper titled, Transient Thermo-Mechanical Plowing Contact Between Rigid Sphere and Elastic-Plastic Sphere
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Topics: Thermomechanics, Transients (Dynamics), Deformation, Finite element analysis, Temperature
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
https://doi.org/10.1115/IJTC2012-61167
View Paper titled, Lubricant Flow and Evaporation Model for Heat Assisted Magnetic Recording Systems Including Reactive End-Group Effects and Thin-Film Viscosity
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Topics: Evaporation, Flow (Dynamics), Heat, Lubricants, Magnetic recording, Thin films, Viscosity, Pressure, Disks, Film thickness
Proceedings Papers

Thermo-Mechanical Contact and Micro-Wear in Head Disk Interface

Sungae Lee, Chang-Dong Yeo
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 317-319, October 24–26, 2011
Paper No: IJTC2011-61059
https://doi.org/10.1115/IJTC2011-61059
View Paper titled, Thermo-Mechanical Contact and Micro-Wear in Head Disk Interface
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Topics: Disks, Thermomechanics, Wear, Heat, Carbon, Carbon films, Design, Engineering simulation, Heat transfer, Materials properties
Proceedings Papers

Numerical Analysis Method of Contact Mechanics Between a Sphere and a Flat Considering Lennard-Jones Surface Forces of Contacting Asperities and All Rough Height Surfaces

Kyosuke Ono
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 321-323, October 24–26, 2011
Paper No: IJTC2011-61077
https://doi.org/10.1115/IJTC2011-61077
View Paper titled, Numerical Analysis Method of Contact Mechanics Between a Sphere and a Flat Considering Lennard-Jones Surface Forces of Contacting Asperities and All Rough Height Surfaces
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Topics: Contact mechanics, Numerical analysis, Surface roughness, Adhesives, Deformation, Disks
Proceedings Papers

Depletion of Monolayer Liquid Lubricant Films Induced by Laser Heating in Thermally Assisted Magnetic Recording

Norio Tagawa, Takao Miki, Hiroshi Tani
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 325-327, October 24–26, 2011
Paper No: IJTC2011-61136
https://doi.org/10.1115/IJTC2011-61136
View Paper titled, Depletion of Monolayer Liquid Lubricant Films Induced by Laser Heating in Thermally Assisted Magnetic Recording
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Topics: Heating, Lasers, Lubricants, Magnetic recording, Temperature programmed desorption, Film thickness, Spectroscopy, Carbon, Desorption, Diamonds
Proceedings Papers

Analysis of Off-Track Slider Vibrations in a Laptop Hard Disk Drive

Rahul Rai, David B. Bogy
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 329-331, October 24–26, 2011
Paper No: IJTC2011-61167
https://doi.org/10.1115/IJTC2011-61167
View Paper titled, Analysis of Off-Track Slider Vibrations in a Laptop Hard Disk Drive
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Topics: Disks, Laptop computers, Vibration, Horizontal directional drilling, Excitation, Manufacturing, Actuators, Air bearings, Fluids, Bearings
Proceedings Papers

Vibration Control of a High Speed Rotor Supported by the Combined Smart Bearing

Se Na Jeong, Tae Ho Kim, Chang Ho Kim, Yong Bok Lee
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 333-335, October 24–26, 2011
Paper No: IJTC2011-61177
https://doi.org/10.1115/IJTC2011-61177
View Paper titled, Vibration Control of a High Speed Rotor Supported by the Combined Smart Bearing
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Topics: Bearings, Rotors, Vibration control, Design, Dynamic analysis, Dynamic stability, Foil bearings, Load bearing capacity, Machinery, Magnetic bearings
Proceedings Papers

Dynamic Characteristics of the Combined Smart Bearing

Yong Bok Lee, Kyung Min Lee, Jin-Taek Chung, Seung Jong Kim, Se Na Jeong
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 337-339, October 24–26, 2011
Paper No: IJTC2011-61179
https://doi.org/10.1115/IJTC2011-61179
View Paper titled, Dynamic Characteristics of the Combined Smart Bearing
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Topics: Bearings, Finite element methods, Damping, Foil bearings, Machinery, Reliability, Stability, Stiffness, Turbochargers
Proceedings Papers

Slider Air Bearing Design in Consideration of the Pumping Effect

Bo Zhang, Toshifumi Mawatari, Akira Nakajima
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 311-313, October 24–26, 2011
Paper No: IJTC2011-61033
https://doi.org/10.1115/IJTC2011-61033
View Paper titled, Slider Air Bearing Design in Consideration of the Pumping Effect
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Topics: Air bearings, Design, Contamination, Disks, Shear stress
Proceedings Papers

Thermal Stability of Modified Perfluoropolyether Lubricants for Application in Heat Assisted Magnetic Recording

Jumin Rhew, Hogap Kim, Hao Zheng, Ho-Jong Kang, Frank E. Talke
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 315-316, October 24–26, 2011
Paper No: IJTC2011-61044
https://doi.org/10.1115/IJTC2011-61044
View Paper titled, Thermal Stability of Modified Perfluoropolyether Lubricants for Application in Heat Assisted Magnetic Recording
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Topics: Heat, Lubricants, Magnetic recording, Thermal stability, Nuclear magnetic resonance, Spectra (Spectroscopy), Thermogravimetry
Proceedings Papers

Coupled Thermo-Mechanical Modeling of Head-Disc Interface in Heat Assisted Magnetic Recording

Zoran Jandric, Wei Peng, James D. Kiely, Yiao-Tee Hsia
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 713-715, October 20–22, 2008
Paper No: IJTC2008-71279
https://doi.org/10.1115/IJTC2008-71279
View Paper titled, Coupled Thermo-Mechanical Modeling of Head-Disc Interface in Heat Assisted Magnetic Recording
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Topics: Disks, Heat, Magnetic recording, Modeling, Thermomechanics, Stress, Air bearings, Lasers, Clearances (Engineering), Design
Proceedings Papers

Understanding to Read/Write Signal Modulation Due to Lube Droplet at Head Disk Interface

Jianhua Li, Junguo Xu
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 665-667, October 20–22, 2008
Paper No: IJTC2008-71026
https://doi.org/10.1115/IJTC2008-71026
View Paper titled, Understanding to Read/Write Signal Modulation Due to Lube Droplet at Head Disk Interface
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Topics: Disks, Drops, Signals, Damping, Pressure, Errors, Lubricants, Modeling, Shock (Mechanics), Simulation
Proceedings Papers

Effect of Temperature on the Spreading Characteristics of Molecularly Thin Liquid Lubricant Films in Hard Disk Drives

Norio Tagawa, Kenta Mori, Atsunobu Mori, Masako Ikegami
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 669-671, October 20–22, 2008
Paper No: IJTC2008-71035
https://doi.org/10.1115/IJTC2008-71035
View Paper titled, Effect of Temperature on the Spreading Characteristics of Molecularly Thin Liquid Lubricant Films in Hard Disk Drives
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Topics: Disks, Lubricants, Temperature, Mechanical admittance, Diffusion (Physics), Evaporation, Horizontal directional drilling, Robustness, Viscosity
Proceedings Papers

Numerical Analysis of Contact Mechanics Between Spherical Slider and Disk Due to Intermolecular Forces

Kyosuke Ono
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 673-675, October 20–22, 2008
Paper No: IJTC2008-71076
https://doi.org/10.1115/IJTC2008-71076
View Paper titled, Numerical Analysis of Contact Mechanics Between Spherical Slider and Disk Due to Intermolecular Forces
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Topics: Contact mechanics, Disks, Intermolecular forces, Numerical analysis, Magnetic heads, Surface roughness
Proceedings Papers

Flying Clearance Distribution With Thermo-Mechanical Actuation of Hard Disk Drive

Sung-Chang Lee, George W. Tyndall, Mike Suk
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 677-679, October 20–22, 2008
Paper No: IJTC2008-71083
https://doi.org/10.1115/IJTC2008-71083
View Paper titled, Flying Clearance Distribution With Thermo-Mechanical Actuation of Hard Disk Drive
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Topics: Clearances (Engineering), Disks, Thermomechanics, Temperature, Failure, Gages
Proceedings Papers

Identification of the Multiple Flying Heights in a Loading Process

Shuyu Zhang, Mike Suk, George Tyndall
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 681-683, October 20–22, 2008
Paper No: IJTC2008-71128
https://doi.org/10.1115/IJTC2008-71128
View Paper titled, Identification of the Multiple Flying Heights in a Loading Process
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Topics: Air bearings, Design, Disks, Stress, Transducers
Proceedings Papers

Numerical Analysis on Lubrication Characteristics of Nanometer Gas Film in Hard Disk Drive

Hua-Ping Yao, Yan-Hua Wu, Huang Ping
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 685-687, October 20–22, 2008
Paper No: IJTC2008-71137
https://doi.org/10.1115/IJTC2008-71137
View Paper titled, Numerical Analysis on Lubrication Characteristics of Nanometer Gas Film in Hard Disk Drive
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Topics: Disks, Lubrication, Numerical analysis, Flow (Dynamics), Pressure, Bearings, Film thickness, Finite difference methods, Modeling
Proceedings Papers

Nanorheological Measurement of Monolayer Lubricant Films Using the Oscillating Optical Fiber Probe

Yuya Hamamoto, Shintaro Itoh, Kenji Fukuzawa, Hedong Zhang
Proc. ASME. IJTC2008, STLE/ASME 2008 International Joint Tribology Conference, 689-691, October 20–22, 2008
Paper No: IJTC2008-71138
https://doi.org/10.1115/IJTC2008-71138
View Paper titled, Nanorheological Measurement of Monolayer Lubricant Films Using the Oscillating Optical Fiber Probe
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Topics: Lubricants, Optical fiber, Probes, Fibers, Shear (Mechanics)