Experimental Study of Long-Term Static Friction and Magnetic Slider/Disk Interplanar Separation-Reference-Cited by-同舟云学术

Experimental Study of Long-Term Static Friction and Magnetic Slider/Disk Interplanar Separation

Published:1996-01-01 Issue:1 Volume:118 Page:12-20
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Gerber C. T.¹,Bhushan B.¹,Gitis N. V.²

Affiliation:

1. Computer Microtribology and Contamination Laboratory, Department of Mechanical Engineering, The Ohio State University, 206 W. 18th Avenue, Columbus, OH 43210-1107

2. Maxtor Corporation, 281 River Oaks Parkway, San Jose, CA 95134

Abstract

Abstract Capacitance between a slider and disk was measured to relate slider/disk interplanar separation to static friction. The parallel plate capacitance formula was used to convert the capacitance into separation with a resolution of less than 1 nm. Separation and coefficient of static friction (stiction) were measured using assorted lubricant thicknesses with and without bonding on polished and textured disks. Separation was measured during contact start/stop (CSS) and long term slider dwell times, after which static friction was measured. Polished disks had high stiction events with smaller separations during and after the stiction event, unlike textured disks. Long-term dwell studies showed the coefficient of static friction and slider micro descent (decrease in interplanar separation) to be greatest with greater lubricant thickness and polished disks. Static friction and separation with bonded and unlubricated disks were time independent.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Link

https://asmedigitalcollection.asme.org/tribology/article-pdf/118/1/12/6837230/12_1.pdf

Reference8 articles.

1. Bhushan, B., 1990, Tribology and Mechanics of Magnetic Storage Devices, Springer-Verlag, New York.

2. Bhushan B. , and DuggerM. T., 1990, “Liquid-Mediated Adhesion at the Thin-Film Magnetic Disk/Slider Interface,” ASME JOURNAL OF TRIBOLOGY, Vol. 112, pp. 217–223.

3. Lide, D. R. (ed.), 1992, Handbook of Chemistry and Physics, 72 ed., Chapter 12, CRC Press, Boca Raton, FL, p. 38.

4. Liu C. L. , and MeeP. B., 1983, “Stiction at the Winchester Head-Disk Interface,” IEEE Trans. Magn., Vol. Mag-19, No. 5, pp. 1659–1661.

5. Gitis, N. V., Volpe, L., and Sonnenfeld, R., 1991, “Long-Term Stiction at the Magnetic Thin-Film Disk-Slider Interface,” Adv. Info. Storage Syst., Vol. 3, pp. 91–105.

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