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TECHNICAL PAPERS

Dynamic Characteristics of an In-Contact Headslider Considering Meniscus Force: Part 2—Application to the Disk With Random Undulation and Design Conditions

[+] Author and Article Information
Takahisa Kato

Mechanical Engineering Laboratory, 1-2 Namiki, Tsukuba, Ibaraki, 305, JAPAN

Souta Watanabe

The University of Tokyo

Hiroshige Matsuoka

Department of Applied Mathematics and Physics, Faculty of Engineering, Tottori University, Koyama, Tottori, 680, JAPAN

J. Tribol 123(1), 168-174 (Sep 19, 2000) (7 pages) doi:10.1115/1.1330741 History: Received February 07, 2000; Revised September 19, 2000
Copyright © 2001 by ASME
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References

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Figures

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Tri-pad slider with spherical pads
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Three-dimensional model of contact slider/disk interface system
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A model of bouncing z-direction
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A model of pitching (θ) direction
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A model of rolling (φ) direction
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Four regimes of head-lubricant-disk interface
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Disk surface with random undulation: (a) λ*=10,RMS=2 nm; (b) λ*=2,RMS=2 nm.
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Bouncing height of pad 1 in time domain: (a) λ*=80; (b) λ*=10; and (c) λ*=4.
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Correlation length and maximum bouncing height varying RMS value
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Effect of RMS value varying correlation length and surface energy
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Correlation length and maximum bouncing height varying disk velocity
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Effect of disk velocity varying correlation length and surface energy
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Correlation length and maximum bouncing height varying mass of slider
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Effect of mass of slider varying correlation length and surface energy
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Correlation length and maximum bouncing height varying contact damping ratio
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Effect of contact damping ratio varying correlation length and surface energy
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Relation between design index, D, and maximum bouncing height

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