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TECHNICAL PAPERS

Design Consideration of Contact/Near-Contact Sliders Based on a Rough Surface Contact Model

[+] Author and Article Information
Kohei Iida

Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8552, Japan

Kyosuke Ono

Department of Mechanical and Control Engineering, Tokyo Institute of Technology

J. Tribol 125(3), 562-570 (Jun 19, 2003) (9 pages) doi:10.1115/1.1537269 History: Received March 05, 2002; Revised August 06, 2002; Online June 19, 2003
Copyright © 2003 by ASME
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References

A. K. Menon, 1999, “Critical Requirements For 100Gb/in2 Head/Media Interface,” Interface Technology Towards 100 Gbit/in2 , ASME, New York, pp. 1–9.
Ono,  K., Iida,  K., and Takahashi,  K., 1999, “Effects of Design Parameters on Bouncing Vibrations of a Single-DOF Contact Slider and Necessary Design Conditions for Perfect Contact Sliding,” ASME J. Tribol., 121, pp. 596–603.
Ono,  K., and Takahashi,  K., 1999, “Analysis of Bouncing Vibrations of a 2-DOF Tripad Contact Slider Model With Air Bearing Pads Over a Harmonic Wavy Disk Surface,” ASME J. Tribol., 121, pp. 939–947.
Ono,  K., and Iida,  K., 2000, “Statistical Analysis of Perfect Contact and Wear Durability Conditions of a Single-Degree-of-Freedom Contact Slider,” ASME J. Tribol., 122, pp. 238–245.
Iida,  K., and Ono,  K., 2001, “Analysis of Bouncing Vibrations of a 2-DOF Model of Tripad Contact Slider Over a Random Wavy Disk Surface,” ASME J. Tribol., 123, pp. 159–167.
Greenwood,  J. A., and Williamson,  J. B. P., 1966, “Contact of Nominally Flat Surfaces,” Proc. R. Soc. London, Ser. A, A295, pp. 300–319.
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Ren,  N., and Lee,  Si C., 1993, “Contact Simulation of Three-Dimensional Rough Surfaces Using Moving Grid Method,” ASME J. Tribol., 115, pp. 597–601.
Tian,  X., and Bhushan,  B., 1996, “A Numerical Three-Dimensional Model for the Contact of Rough Surfaces by Variational Principle,” ASME J. Tribol., 118, pp. 33–42.
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Bhushan,  B., 1998, “Contact Mechanics of Rough Surfaces in Tribology: Multiple Asperity Contact,” Tribol. Lett., 4, pp. 1–35.
Iida,  K., Ono,  K., and Yamane,  M., 2002, “Dynamic Characteristics and Design Consideration of a Tripad Slider in The Near-Contact Regime,” ASME J. Tribol., 124, pp. 600–606.
Ono,  K., Takahashi,  K., and Iida,  K., 1999, “Computer Analysis of Bouncing Vibration and Tracking Characteristics of a Point Contact Slider Model Over Random Disk Surfaces,” ASME J. Tribol., 121, pp. 587–595.
Archard,  J. F., 1953, “Contact and Rubbing of Flat Surfaces,” J. Appl. Phys., 24, pp. 981–988.
Kusumi, T., Yamakawa, K., and Ouchi, K., 2000, “Wear Characteristics Study of the Head Slider for Durable Contact Recording,” Technical Report of IEICE, 100 , No. 337, pp. 1–6 (in Japanese).
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Figures

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Comparison of contact force between present model and GW model
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Comparison of real area of contact between present model and GW model
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Comparison of real contact pressure between present model and GW model
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Effect of pad area and asperity density on contact force
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Effect of pad area and asperity density on contact stiffness
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Image of asperity contact in cases of large and small separation
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Effect of contact pad area and asperity density on apparent contact pressure
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Effect of contact pad area and asperity density on mean real contact pressure
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Analytical model of 1-DOF slider and 1-DOF pad slider model that has only 2nd vibration mode: (a) analytical model of 1-DOF slider; and (b) 1-DOF pad slider having only 2nd vibration mode.
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Design conditions of slider and disk surface for tracking ability (○: contact, ▵: near-contact, ×: not satisfy either of them)
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Effect of lubricant thickness on the relationship between contact force and separation
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Effects of asperity height distribution and asperity density on contact force, including meniscus force
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Hysteresis phenomenon of slider behavior due to meniscus force (hl=1 nm,ka=1.5×105 N/m)

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