Effect of disjoining pressure on disk-to-head lubricant transfer
In this paper, the effect of disjoining pressure was investigated for its role in lubricant transfer from magnetic recording disks to heads. The disjoining pressure was calculated from contact angle measurements on disks. The amount of lubricant transfer was measured with a slow seek test on a spin...
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| Veröffentlicht in: | IEEE transactions on magnetics 2003-09, Vol.39 (5), p.2495-2497 |
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| container_title | IEEE transactions on magnetics |
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| creator | Smallen, M.J. Huang, H.W. |
| description | In this paper, the effect of disjoining pressure was investigated for its role in lubricant transfer from magnetic recording disks to heads. The disjoining pressure was calculated from contact angle measurements on disks. The amount of lubricant transfer was measured with a slow seek test on a spin stand. The results showed that the amount of lubricant transfer is reduced as the disjoining pressure becomes more positive and the slope of the disjoining pressure-lubricant thickness curve more negative. Also, the disjoining pressure takes several weeks to stabilize, depending on the carbon-lubricant system. However, stabilization can be accelerated with a thermal or UV treatment. |
| doi_str_mv | 10.1109/TMAG.2003.816451 |
| format | Article |
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The disjoining pressure was calculated from contact angle measurements on disks. The amount of lubricant transfer was measured with a slow seek test on a spin stand. The results showed that the amount of lubricant transfer is reduced as the disjoining pressure becomes more positive and the slope of the disjoining pressure-lubricant thickness curve more negative. Also, the disjoining pressure takes several weeks to stabilize, depending on the carbon-lubricant system. However, stabilization can be accelerated with a thermal or UV treatment.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2003.816451</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Additives ; Applied sciences ; Bonding ; Dispersion ; Electronics ; Exact sciences and technology ; Goniometers ; Lubricants ; Magnetic and optical mass memories ; Magnetic heads ; Magnetic recording ; Magnetism ; Other magnetic recording and storage devices (including tapes, disks, and drums) ; Pollution measurement ; Pressure measurement ; Storage and reproduction of information ; Thickness measurement</subject><ispartof>IEEE transactions on magnetics, 2003-09, Vol.39 (5), p.2495-2497</ispartof><rights>2004 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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However, stabilization can be accelerated with a thermal or UV treatment.</description><subject>Additives</subject><subject>Applied sciences</subject><subject>Bonding</subject><subject>Dispersion</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Goniometers</subject><subject>Lubricants</subject><subject>Magnetic and optical mass memories</subject><subject>Magnetic heads</subject><subject>Magnetic recording</subject><subject>Magnetism</subject><subject>Other magnetic recording and storage devices (including tapes, disks, and drums)</subject><subject>Pollution measurement</subject><subject>Pressure measurement</subject><subject>Storage and reproduction of information</subject><subject>Thickness measurement</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE1LAzEQhoMoWKt3wcsi6G1rZpPdTW6WUqtQ8VLPIZsPTd1uarJ78N-bskLBywwz88zLzIvQNeAZAOYPm9f5alZgTGYMKlrCCZoAp5BjXPFTNMEYWM5pRc_RRYzbVCYGT9Dj0lqj-szbTLu49a5z3Ue2DybGIZjMd4f2V977_NNInbVDE5ySXZ_1QXbRmnCJzqxso7n6y1P0_rTcLJ7z9dvqZTFf54pQ3ueF1bY2VLN0E6sangJRxgLTumQlU3XJtFQMWw0l1LRhpNGyrhVuoKnASjJF96PuPvjvwcRe7FxUpm1lZ_wQRcEKXtYEJ_D2H7j1Q-jSbYIxSmiNGUsQHiEVfIzBWLEPbifDjwAsDn6Kg5_i4KcY_Uwrd3-6MirZ2vS_cvG4V0IFnBWJuxk5Z4w5jgtCoADyCwemfWU</recordid><startdate>20030901</startdate><enddate>20030901</enddate><creator>Smallen, M.J.</creator><creator>Huang, H.W.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The disjoining pressure was calculated from contact angle measurements on disks. The amount of lubricant transfer was measured with a slow seek test on a spin stand. The results showed that the amount of lubricant transfer is reduced as the disjoining pressure becomes more positive and the slope of the disjoining pressure-lubricant thickness curve more negative. Also, the disjoining pressure takes several weeks to stabilize, depending on the carbon-lubricant system. However, stabilization can be accelerated with a thermal or UV treatment.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TMAG.2003.816451</doi><tpages>3</tpages></addata></record> |
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| ispartof | IEEE transactions on magnetics, 2003-09, Vol.39 (5), p.2495-2497 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Additives Applied sciences Bonding Dispersion Electronics Exact sciences and technology Goniometers Lubricants Magnetic and optical mass memories Magnetic heads Magnetic recording Magnetism Other magnetic recording and storage devices (including tapes, disks, and drums) Pollution measurement Pressure measurement Storage and reproduction of information Thickness measurement |
| title | Effect of disjoining pressure on disk-to-head lubricant transfer |
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