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Surface Modification of Nano-Rare Earth on the Tribological and Mechanical Properties of Polytetrafluoroethylene Nanocomposites

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In this paper, the surface of nano-lanthanum oxide was modified, and the different surface characteristics of modified nano-lanthanum oxide were analyzed. Meanwhile, the influence of surface modification on the tribological and mechanical properties of polytetrafluoroethylene nanocomposites was investigated. Results indicate that the tribological properties, degradation temperature, notched impact and tensile strength of polytetrafluoroethylene nanocomposites filled with modified nano-lanthanum oxide can be increased simultaneously. A uniform transfer film can be observed on the counterpart surface. Results also show that the smaller the difference of surface energy between filler and matrix is, the higher wear resistance and mechanical properties the polymer nanocomposites will have.
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Keywords: MECHANICAL PROPERTIES; POLYTETRAFLUOROETHYLENE NANOCOMPOSITES; SURFACE MODIFICATION; TRIBOLOGICAL PROPERTIES

Document Type: Research Article

Publication date: February 1, 2009

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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