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Chemical analysis of wear tracks on magnetic disks by TOF-SIMS by T. Numata; H. Nanao; S. Mori; S. Miyake is a Engineering article available to read on EtoBox.
What is Chemical analysis of wear tracks on magnetic disks by TOF-SIMS about?
Surface reactions on magnetic recording disks have been studied during sliding with ceramic sliders in the main chamber of TOF-SIMS. Chemical change of lubricant oil in the wear track was observed by the chemical image of TOF-SIMS. The magnetic disk surface was covered with perfluoroalkyl polyether lubricant (Fomblin Zdol). The Si tip slider surface was covered with Al 2 O 3 , DLC, TiN or c-BN coating. Experimental conditions were as follows: 0.8 mN of load and a sliding speed of 0.01 m/s. Lubricant oils were decomposed with Al 2 O 3 and TiN slider surfaces. Metal (Al, Ti) fluorides were detected by TOF-SIMS in the sliding track. Material transfer occurred by chemical wear of slider material. From TOF-SIMS observation, the decomposition of lubricant molecules was initiated at the end group of molecules (-CF 2 CH 2 OH). On the other hand, DLC and c-BN sliders suppressed the decomposition reaction of PFPE oils. In conclusion, hard and chemical inert materials such as DLC and c-BN are suitable for a long-life HDI.
Who reads Chemical analysis of wear tracks on magnetic disks by TOF-SIMS?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- T. Numata; H. Nanao; S. Mori; S. Miyake
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0301-679X)
- Published
- 2003
- Language
- EN
- Field
- Engineering (Physical Sciences)