Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/9451
Title: Nanotribological properties of UHMWPE/quartz composites
Authors: Tang, CY 
Uskokovic, PS
Tsui, CP 
Chan, KC 
Lo, SCL 
Xie, XL
Keywords: Cross-linking
Nanoindentation
Nanowear
UHMWPE
Issue Date: 2005
Publisher: Trans Tech Publications Ltd
Source: Materials science forum, 2005, v. 494, p. 469-474 How to cite?
Journal: Materials science forum 
Abstract: Wear of ultra-high molecular weight polyethylene (UHMWPE) and its composites is one of the main obstacles that limit the longevity of total joint replacements. Compression molded UHMWPE/quartz composites with organosiloxane as a cross-linking agent for UHMWPE matrix, were tested in nanoindentation and nanowear. The nanomechanical properties of the composite were examined in the light of nanoindentation experiments performed with a diamond tip of nominal radius of curvature of about 150 nm under conditions of various contact loads. Results from nanowear tests show that, in addition to the nanohardness and elastic modulus, the cross-linking procedure has the most pronounced effect on the tribological properties and at 0.5 phr organosiloxane, composites reache their maximum nanowear resistance. These findings are in agreement with the results of conventional mechanical and wear tests performed on these materials.
Description: 6th Conference of the Yugoslav Materials Research Society, YUCOMAT VI: Current Research in Advanced Materials and Processes, Herceg Novi, 13-17 September 2004
URI: http://hdl.handle.net/10397/9451
ISBN: 0878499717
9780878499717
ISSN: 0255-5476
EISSN: 1662-9752
DOI: 10.4028/0-87849-971-7.469
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