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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

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
DOI: https://doi.org/10.1115/IJTC2011-61167
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Topics: Disks, Laptop computers, Vibration, Horizontal directional drilling, Excitation, Manufacturing, Actuators, Air bearings, Fluids, Bearings
Proceedings Papers

Elasto-Aerodynamic Lubrication Analysis of a Self-Acting Foil Air Journal Bearing

Hamza Bensouilah, Mustapha Lahmar, Benyebka Bou-Sai¨d
Proc. ASME. IJTC2011, ASME/STLE 2011 Joint Tribology Conference, 159-162, October 24–26, 2011
Paper No: IJTC2011-61143
DOI: https://doi.org/10.1115/IJTC2011-61143
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Topics: Journal bearings, Lubrication, Deformation, Stability, Compressibility, Damping, Equations of motion, Excitation, Finite element analysis, Performance characterization
Proceedings Papers

Effect of Spinning Disk–Parking Ramp Collison on the Operational Shock Performance of a Mobile Hard Disk Drive

Rahul Rai, David B. Bogy
Proc. ASME. IJTC2010, STLE/ASME 2010 International Joint Tribology Conference, 389-391, October 17–20, 2010
Paper No: IJTC2010-41149
DOI: https://doi.org/10.1115/IJTC2010-41149
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Topics: Disks, Rotating disks, Shock (Mechanics), Excitation, Failure, Horizontal directional drilling, Air bearings, Collisions (Physics), Computers, Design
Proceedings Papers

Experimental Structural Stiffness and Damping in a 2 nd Generation Foil Bearing for Increasing Shaft Temperatures

Luis San Andre´s, Keun Ryu
Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 209-211, October 19–21, 2009
Paper No: IJTC2009-15188
DOI: https://doi.org/10.1115/IJTC2009-15188
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Topics: Damping, Foil bearings, Stiffness, Temperature, Bearings, Excitation, Clearances (Engineering), Deflection, Energy dissipation, Gas turbines
Proceedings Papers

The Dynamic Performance Analysis of Foil Journal Bearings Considering Coulomb Friction: Rotating Unbalance Response

D. H. Lee, Y. C. Kim, K. W. Kim
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 253-255, October 22–24, 2007
Paper No: IJTC2007-44225
DOI: https://doi.org/10.1115/IJTC2007-44225
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Topics: Coulombs, Friction, Journal bearings, Design, Excitation, Finite element methods, Foil bearings, Pressure, Rotors, Strips
Proceedings Papers

A Simplified Dynamic Model for the Analysis of the Slider Off-Track Motion Due to Head-Disk Interactions

Yanhui Yuan, Shao Wang
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 673-675, October 22–24, 2007
Paper No: IJTC2007-44194
DOI: https://doi.org/10.1115/IJTC2007-44194
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Topics: Disks, Dynamic models, Displacement, Excitation, Actuators, Impulse (Physics), Steady state
Proceedings Papers

Detection of the Asperity Contact Between Sliding Surfaces by Monitoring the Excitation of Resonant Oscillation Using the Fiber Wobbling Method

Shintaro Itoh, Kenji Fukuzawa, Yuya Hamamoto, Hedong Zhang, Yasunaga Mitsuya
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 677-679, October 22–24, 2007
Paper No: IJTC2007-44222
DOI: https://doi.org/10.1115/IJTC2007-44222
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Topics: Disks, Excitation, Fibers, Lubricants, Lubrication, Magnetic heads, Magnetic recording, Oscillations, Resonance, Viscoelasticity
Proceedings Papers

Optimization of Groove Geometry for Thrust Air Bearing to Maximize Bearing Stiffness

Hiromu Hashimoto, Masayuki Ochiai, Tadashi Nanba
Proc. ASME. IJTC2007, ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 225-227, October 22–24, 2007
Paper No: IJTC2007-44129
DOI: https://doi.org/10.1115/IJTC2007-44129
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Topics: Air bearings, Bearings, Geometry, Optimization, Stiffness, Thrust, Thrust bearings, Design, Design methodology, Excitation
Proceedings Papers

Ultra-Thin Film Ultrasonic Characterization

Antanas Daugela, Vytautas Blechertas, Oden L. Warren, Hiroshi Kutomi, Thomas J. Wyrobek
Proc. ASME. TRIB2003, Contact Mechanics, 111-114, October 26–29, 2003
Paper No: 2003-TRIB-0276
DOI: https://doi.org/10.1115/2003-TRIB-0276
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Topics: Delamination, Excitation, Fatigue, Friction, Nanoindentation, Nanoscale phenomena, Oscillations, Stress, Ultrasonic waves
Proceedings Papers

Experimental Rotordynamic Coefficient Results for a Load-on-Pad Flexible-Pivot Tilting-Pad Bearing With Comparisons to Predictions From Bulk-Flow and Reynolds Equation Models

L. E. Rodriguez, D. W. Childs
Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 529-537, October 24–27, 2004
Paper No: TRIB2004-64042
DOI: https://doi.org/10.1115/TRIB2004-64042
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Topics: Bearings, Flow (Dynamics), Stress, Stiffness, Excitation, Inertia (Mechanics), Fluids, Degrees of freedom, Dynamics (Mechanics), Eigenvalues
Proceedings Papers

Investigation of the Contact Zone of Ultrasonic Motors at Different Modes of Exciter Vibrations

V. Ostasevicius, A. Palevicius, M. Ragulskis, A. Daugela, G. Janusas
Proc. ASME. TRIB2004, ASME/STLE 2004 International Joint Tribology Conference, Parts A and B, 47-50, October 24–27, 2004
Paper No: TRIB2004-64344
DOI: https://doi.org/10.1115/TRIB2004-64344
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Topics: Excitation systems, Ultrasonic motors, Vibration, Atomic force microscopy, Electrodes, Excitation, Holography, Lasers, Mechanical properties, Piezoelectric ceramics
Proceedings Papers

Identification of Force Coefficients in a Squeeze Film Damper With a Mechanical End Seal: Centered Circular Orbit Tests

Luis San Andre´s, Adolfo Delgado
Proc. ASME. IJTC2006, Part A: Tribomaterials; Lubricants and Additives; Elastohydrodynamic Lubrication; Hydrodynamic Lubrication and Fluid Film Bearings; Rolling Element Bearings; Engine Tribology; Machine Components Tribology; Contact Mechanics, 309-318, October 23–25, 2006
Paper No: IJTC2006-12041
DOI: https://doi.org/10.1115/IJTC2006-12041
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Topics: Dampers, Damping, Dry friction, Excitation, Lubricants, Stress, Aircraft, Clearances (Engineering), Gates (Closures), Leakage
Proceedings Papers

Stability Analyses on Flexure Pivot Tilting Pad Gas Bearings for Microturbomachinery

Kyuho Sim, Daejong Kim
Proc. ASME. IJTC2006, Part B: Magnetic Storage Tribology; Manufacturing/Metalworking Tribology; Nanotribology; Engineered Surfaces; Biotribology; Emerging Technologies; Special Symposia on Contact Mechanics; Special Symposium on Nanotribology, 1281-1289, October 23–25, 2006
Paper No: IJTC2006-12158
DOI: https://doi.org/10.1115/IJTC2006-12158
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Topics: Bending (Stress), Gas bearings, Stability, Bearings, Clearances (Engineering), Rotors, Resonance, Damping, Excitation, Film thickness