A numerical model is developed to study the effect of texture on air bearing sliders at large Knudsen numbers. The effect of texture location, texture size, and density on the pressure generation is studied. First, a textured plane slider parallel to the disk surface is investigated and the texture parameters are determined that result in optimum pressure generation. Then, a plane inclined slider is studied using optimum texture parameters found in the parallel slider case. Thereafter, the effect of texture on the steady state flying characteristics of an actual magnetic recording slider is investigated. Finally, the flying height modulation, pitch and roll motion of a textured slider (pico and femto form factors) are determined numerically by exciting the slider using a step on the disk. Comparison of the results for textured and untextured sliders is made. It is found that textured sliders show better dynamic performance compared to the untextured sliders in terms of stiffness and damping.
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ASME/STLE 2007 International Joint Tribology Conference
October 22–24, 2007
San Diego, California, USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4810-8
PROCEEDINGS PAPER
Analysis of Surface Textured Air Bearing Sliders With Rarefaction Effects
Aravind N. Murthy,
Aravind N. Murthy
University of California - San Diego, La Jolla, CA
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Izhak Etsion,
Izhak Etsion
Technion–Israel Institute of Technology, Haifa, Israel
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Frank E. Talke
Frank E. Talke
University of California - San Diego, La Jolla, CA
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Aravind N. Murthy
University of California - San Diego, La Jolla, CA
Izhak Etsion
Technion–Israel Institute of Technology, Haifa, Israel
Frank E. Talke
University of California - San Diego, La Jolla, CA
Paper No:
IJTC2007-44164, pp. 661-663; 3 pages
Published Online:
March 23, 2009
Citation
Murthy, AN, Etsion, I, & Talke, FE. "Analysis of Surface Textured Air Bearing Sliders With Rarefaction Effects." Proceedings of the ASME/STLE 2007 International Joint Tribology Conference. ASME/STLE 2007 International Joint Tribology Conference, Parts A and B. San Diego, California, USA. October 22–24, 2007. pp. 661-663. ASME. https://doi.org/10.1115/IJTC2007-44164
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