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Materials 2017, 10(7), 791; doi:10.3390/ma10070791

Ultra-High Molecular Weight Polyethylene: Influence of the Chemical, Physical and Mechanical Properties on the Wear Behavior. A Review

1
Department of Chemistry and NIS (Nanostructured Interfaces and Surfaces) Center, University of Torino, 10125 Torino, Italy
2
Department of Orthopedic Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
3
CTO Hospital, Città della salute e della Scienza, 10126 Torino, Italy
4
Medical Technology Laboratory, Rizzoli Orthopaedic Institute, 40136 Bologna, Italy
*
Author to whom correspondence should be addressed.
Received: 17 June 2017 / Revised: 6 July 2017 / Accepted: 8 July 2017 / Published: 13 July 2017
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Abstract

Ultra-high molecular weight polyethylene (UHMWPE) is the most common bearing material in total joint arthroplasty due to its unique combination of superior mechanical properties and wear resistance over other polymers. A great deal of research in recent decades has focused on further improving its performances, in order to provide durable implants in young and active patients. From “historical”, gamma-air sterilized polyethylenes, to the so-called first and second generation of highly crosslinked materials, a variety of different formulations have progressively appeared in the market. This paper reviews the structure–properties relationship of these materials, with a particular emphasis on the in vitro and in vivo wear performances, through an analysis of the existing literature. View Full-Text
Keywords: UHMWPE; Ultra-high molecular weight polyethylene; oxidation; degradation; gamma radiation; crosslinking; Vitamin E; mechanical properties; wear UHMWPE; Ultra-high molecular weight polyethylene; oxidation; degradation; gamma radiation; crosslinking; Vitamin E; mechanical properties; wear
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Bracco, P.; Bellare, A.; Bistolfi, A.; Affatato, S. Ultra-High Molecular Weight Polyethylene: Influence of the Chemical, Physical and Mechanical Properties on the Wear Behavior. A Review. Materials 2017, 10, 791.

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