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Proceedings Paper

Optical and tribological characteristic of nano-ZnO pressed disk
Author(s): Linxing Shi; Xiangyin Li
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Paper Abstract

The optical characteristics of nano-ZnO pressed disk are studied in this paper. Our study theoretically and experimentally introduced the related theories of the characteristic of laser signal reflected from nano-ZnO pressed disk, the effects of absorptance and transmissivity at different temperature field and roughness of surface. It has been found that nano-ZnO pressed disk has strong absorption peak at near 380 nm, but also the absorption peak decreases when disk's temperature increases. The surface topography and roughness properties of nano-ZnO pressed disk have been studied with atomic force microscope (AFM). Laser speckles are studied with semiconductor laser which wavelength is 650 nm. The tribological characteristics of ZnO nano-particles as lubricating oil additive were studied. The performances of antiwear and friction reduction in lubricating oil are markedly improved by adding ZnO nano-particles and dispersants together.

Paper Details

Date Published: 9 February 2005
PDF: 6 pages
Proc. SPIE 5635, Nanophotonics, Nanostructure, and Nanometrology, (9 February 2005); doi: 10.1117/12.575984
Show Author Affiliations
Linxing Shi, Nanjing Univ. of Science and Technology (China)
Xiangyin Li, Nanjing Univ. of Science and Technology (China)

Published in SPIE Proceedings Vol. 5635:
Nanophotonics, Nanostructure, and Nanometrology
Xing Zhu; Stephen Y. Chou; Yasuhiko Arakawa, Editor(s)

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