A plasticity index formula for the contact between a flat plane and crater-shaped laser bumps is derived based on contact analysis of a circular cylinder in contact with a flat plane. The plasticity index for “cylinder-on-plane” contacts differs by a scale factor from that for “sphere-on-plane” contacts while the criterion for the deformation mode is the same for both types of contacts. For a wide range of typical head/disk interface conditions, the plasticity index for “cylinder-on-plane” contacts is found to be smaller than that of “sphere-on-plane contacts.” [S0742-4787(00)03501-3]
Issue Section:
Technical Papers
1.
Greenwood
, J. A.
, and Williamson
, J. B. P.
, 1966
, “Contact of Nominally Flat Surfaces
,” Proc. R. Soc. London, Ser. A
, 295
, pp. 300
–319
.2.
Arnell, R. D., Davies, P. B., Halling, J., and Whomes, T. L., ed. by Halling, 1993, Tribology, Principles and Design Applications, Springer-Verlag, New York, pp. 23–26.
3.
Nayak
, P. R.
, 1973
, “Random Process Model of Rough Surfaces in Plastic Contact
,” Wear
, 26
, pp. 305
–333
.4.
Bush
, A. W.
, Gibson
, R. D.
, and Keogh
, G. P.
, 1979
, “Strongly Anisotropic Rough Surfaces
,” ASME J. Lubr. Technol.
, 101
, pp. 15
–20
.5.
McCool
, J. I.
, 1986
, “Predicting Microfracture in Ceramics via a Microcontact Model
,” ASME J. Tribol.
, 108
, pp. 380
–386
.6.
Kotwal
, C. A.
, and Bhushan
, B.
, 1996
, “Contact Analysis of Non-Gaussian Surfaces for Minimum Static and Kinetic Friction and Wear
,” Tribol. Trans.
, 39
, pp. 890
–898
.7.
Francis
, H. A.
, 1977
, “Application of Spherical Indentation Mechanics to Reversible and Irreversible Contact between Rough Surfaces
,” Wear
, 45
, pp. 221
–269
.8.
Bhushan
, B.
, 1984
, “Analysis of the Real Area of Contact between a Polymeric Magnetic Medium and a Rigid Surface
,” ASME J. Tribol.
, 106
, pp. 26
–34
.9.
Chang
, W. R.
, Etsion
, I.
, and Bogy
, D. B.
, 1987
, “An Elastic-Plastic Model for the Contact of Rough Surfaces
,” ASME J. Tribol.
, 109
, pp. 257
–263
.10.
Onions
, R. A.
, and Archard
, J. F.
, 1973
, “The Contact of Surfaces Having a Random Structure
,” J. Phys. D
, 6
, pp. 289
–304
.11.
Bhushan
, B.
, 1996
, “Contact Mechanics of Rough Surfaces in Tribology: Single Asperity Contact
,” Appl. Mech. Rev.
, 49
, pp. 275
–298
.12.
Bhushan
, B.
, 1998
, “Contact Mechanics of Rough Surfaces in Tribology: Multiple Asperity Contact
,” Tribol. Lett.
, 4
, pp. 1
–35
.13.
Johnson, K. L., 1996, Contact Mechanics, Cambridge University Press, New York, pp. 129–134, pp. 154–155.
14.
Li
, Y.
, and Talke
, F. E.
, 1992
, “A Model for the Effect of Humidity on Stiction of the Head/Disk Interface
,” Tribol. Trans.
, 35
, pp. 429
–434
.15.
Tian
, H.
, and Matsudaira
, T.
, 1993
, “The Role of Relative Humidity, Surface Roughness and Liquid Build-up on Static Friction Behavior of the Head/Disk Interface
,” ASME J. Tribol.
, 115
, pp. 28
–35
.16.
Gao
, C.
, Tian
, X.
, and Bhushan
, B.
, 1995
, “A Meniscus Model for Optimization of Texturing and Liquid Lubrication of Magnetic Thin-Film Rigid Disks
,” Tribol. Trans.
, 38
, pp. 201
–212
.17.
Gui
, J.
, and Marchon
, B.
, 1995
, “A Stiction Model for a Head-Disk Interface of a Rigid Disc Drive
,” J. Appl. Phys.
, 78
, pp. 4206
–4217
.18.
Chilamakuri
, S.
, and Bhushan
, B.
, 1997
, “Optimization of Asperities for Laser-Textured Magnetic Disk Surfaces
,” Tribol. Trans.
, 40
, pp. 303
–311
.19.
Bhushan
, B.
, Kotwal
, C. A.
, and Chilamakuri
, S. K.
, 1998
, “Kinetic Meniscus Model for Prediction of Rest Stiction
,” ASME J. Tribol.
, 120
, pp. 42
–53
.20.
Tanaka
, K.
, and Kusumi
, T.
, 1998
, “Elastic Contact and Friction between Sliders and Circumferentially Textured Disks—Part I: Analytical Model
,” ASME J. Tribol.
, 120
, pp. 28
–34
.21.
Chilamakuri
, S.
, and Bhushan
, B.
, 1999
, “Contact Analysis of Laser Textured Disks in Magnetic Head-Disk Interface
,” Wear
, 230
, pp. 11
–23
.22.
Gui
, J.
, Kuo
, D.
, Marchon
, B.
, and Rauch
, G. C.
, 1997
, “A Stiction Model for a Head-Disc Interface: Experimental
,” IEEE Trans. Magn.
, 33
, No. 1
, pp. 932
–937
.23.
Bennett
, T. D.
, Baumgart
, P.
, Tam
, A. C.
, and Grigoropoulos
, C. P.
, 1997
, “Modeling Stiction of Laser-Texture
,” IEEE Trans. Magn.
, 33
, pp. 3205
–3207
.24.
Bhushan, B., 1996, Tribology and Mechanics of Magnetic Storage Devices, 2nd ed., Springer, New York.
25.
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
.26.
Knigge
, B.
, Zhao
, Q.
, Talke
, F. E.
, and Baumgart
, P.
, 1998
, “Tribological Properties and Environmental Effects of Nano and Pico Sliders on Laser Textured Media
,” IEEE Trans. Magn.
, 34
, pp. 1732
–1734
.27.
Zhao, Q., and Talke, F. E., 1999, “Stiction and Deformation Analysis of Laser Textured Media with Crater-Shaped Laser Bumps,” Tribol. Trans., in press.
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