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Tribology of Different Ceramic Sliders on Lubricated Thin-Film Disks©

Autor: Frank Armatis, Ramesh Koka, Allan Holtz

Publikováno v: Tribology Transactions. 40:156-162

Seventy-percent straight-rail, taper-flat sliders were made from A12O3-TiC, Mn-Zn ferrite, SiC, Si3N4 and ZrO2 and tested, on lubricated thin-film disks. The tests involved low speed (0.44 m/s) continuous contact drag testing at a fixed radius for a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4af8169e365d968f203a9726d072bcc9
https://doi.org/10.1080/10402009708983641

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Degradation of Thin-Film Disk PFPE Lubricants by Ceramic Powders©

Autor: Frank Armatis, Ramesh Koka

Publikováno v: Tribology Transactions. 40:63-68

Perfluoropolyether lubricants have been the lubricants of choice on thin-film magnetic disks because of their superior properties. However, studies have shown that they can degrade at lower temperatures in the presence of metal oxides such as Al2O3 a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a6a1c89e7cf21fc1bd1295496280491
https://doi.org/10.1080/10402009708983629

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Particle Shapes Produced by Comminution in the Szego Mill

Autor: Olev Trass, George Papachristodoulou, V. Ramesh Koka

Publikováno v: Particle & Particle Systems Characterization. 12:158-165

The shapes of particles produced by comminution in the Szego Mill, a planetary ringroller mill, in different coal grinding operations show that particle shape is dependent on the type of operation, and help explain the breakage mechanisms. Dry grindi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ec9936bb374fc15e70a5e8dae45d5b9
https://doi.org/10.1002/ppsc.19950120308

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Tribological Effects of Some Hydrocarbons on the Head/Disk Interface

Autor: Ramesh Koka

Publikováno v: Tribology Transactions. 38:410-416

The effects of some hydrocarbons on the head/disk interface were studied, with a new test system. Vapors of the contaminating hydrocarbons at the desired concentration and relative, humidity were continuously introduced into the test enclosure and th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b272403fd1d18c63adf90bc9cf372858
https://doi.org/10.1080/10402009508983422

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Wear of Silicon Carbide in Sliding Contact with Lubricated Thin-Film Rigid Disk

Autor: Ramesh Koka

Publikováno v: Tribology Transactions. 38:417-423

Silicon carbide (SiC) is a potential ceramic material for recording heads, yet its tribological performance against lubricated thin-film rigid disks is not fully known. Square pins with a 100 mm radius spherical surface were made from hot pressed SiC

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e49fa2e7053929b3e1562e5f36e4fa2b
https://doi.org/10.1080/10402009508983423

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