Zobrazeno 1 - 10
of 22
pro vyhledávání: '"J. J. Nainaparampil"'
Publikováno v:
Nanotechnology. 16:2474-2481
Microelectrical mechanical systems (MEMS) devices coated with a thin film of ionic liquid showed significant improvement in wear life. These promising tribological findings led to the current study of the micro?nano behaviour of an ionic liquid, 1,2-
Publikováno v:
Surface and Coatings Technology. 187:326-335
The application of MoS2 as a solid lubricant in dry conditions is well established, but the presence of humidity degrades the tribological behavior of MoS2 films. There has been much progress toward increasing the efficiency of MoS2 films in humid en
Publikováno v:
Journal of Materials Engineering and Performance. 13:439-444
The concept of incorporating a solid lubricant, silver (Ag), within a hard carbide film for vacuum tribology applications is investigated in this paper. SiC/Ag and HfC/Ag films were deposited by magnetron cosputtering at 200 °C onto Si and 440C stee
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 21:1829-1836
The magnetron sputtering–pulsed laser deposition (MSPLD) method has been used to deposit Ti–C and Ti–Si–C films with both sub- and superstoichiometric levels of carbon. The structure and composition of the films were analyzed by transmission
Publikováno v:
Scripta Materialia. 47:613-618
Thin films of WC–Ag and TiC–Ag were deposited by magnetron sputtering for the purpose of analyzing their tribological properties in vacuum. X-ray diffraction was used to determine structural properties, and energy dispersive X-ray analysis was us
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 20:1738-1743
Zinc oxide, a well-known piezoelectric material, has become the subject of tribological investigations. This research describes the synthesis and tribological evaluation of alumina doped zinc oxide [ZnO(Al2O3]) films grown in vacuum by a pulsed laser
Publikováno v:
Surface and Coatings Technology. 157:95-101
Composite titanium carbide–silver films have been co-deposited by magnetron sputtering-pulsed laser deposition (MSPLD) to study their friction and wear properties in vacuum. The films deposited were characterized by X-ray diffraction (XRD), transmi
Publikováno v:
Journal of Materials Research. 17:1390-1398
Multilayers of TiC/Ti and TiC/B4C have been deposited by pulsed laser deposition. Ti, B4C, and TiC targets were used to deposit multilayer films onto 440C steel and silicon substrates at 40 °C. The structural, compositional, and mechanical propertie
Publikováno v:
Metallurgical and Materials Transactions A. 33:1579-1588
Ti-Mo-C and Ti-W-C films were deposited by cosputtering from carbide targets in order to examine the phase formation, microstructure, and mechanical properties. A series of Ti-Mo-C films were deposited, with compositions ranging from TiC to Mo2C. The
Publikováno v:
Journal of Materials Research. 16:3423-3429
Zinc oxide preferentially crystallizes into a wurzite structure and has a unique set of properties. There have been numerous studies on doped zinc oxide thin films as an optical coating or as a semiconductor material. However, very little work has be