Evaluation of wear resistance of cross-linked ultra-high molecular weight polyethylene for joint prostheses in the multi-directional pin-on-plate apparatus

T. Sawano; T. Murakami; Y. Sawae

doi:10.1115/wtc2005-63656

Evaluation of wear resistance of cross-linked ultra-high molecular weight polyethylene for joint prostheses in the multi-directional pin-on-plate apparatus

T. Sawano, T. Murakami, Y. Sawae

Machine Design

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Gamma irradiation is used as a sterilization method for joint prosthesis. For this procedure, gamma irradiation causes crosslinking of UHMWPE. Crosslinked UHMWPE molecules connect each other strongly. However gamma irradiation causes the reduction in mechanical properties such as tensile strength and elongation because primary chain scission occurrs. Therefore, excessive irradiation would cause some problems. We suggest the existence of the optimum dose for minimum wear and moderate reduction in tensile strength and elongation. Furthermore we indicate a mechanism of wear resistance of gamma irradiated UHMWPE.

Original language	English
Title of host publication	Proceedings of the World Tribology Congress III - 2005
Publisher	American Society of Mechanical Engineers
Pages	657-658
Number of pages	2
ISBN (Print)	0791842029, 9780791842027
DOIs	https://doi.org/10.1115/wtc2005-63656
Publication status	Published - 2005
Event	2005 World Tribology Congress III - Washington, D.C., United States Duration: Sep 12 2005 → Sep 16 2005

Publication series

Name	Proceedings of the World Tribology Congress III - 2005

Other

Other	2005 World Tribology Congress III
Country	United States
City	Washington, D.C.
Period	9/12/05 → 9/16/05

All Science Journal Classification (ASJC) codes

Engineering(all)

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10.1115/wtc2005-63656

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Sawano, T., Murakami, T., & Sawae, Y. (2005). Evaluation of wear resistance of cross-linked ultra-high molecular weight polyethylene for joint prostheses in the multi-directional pin-on-plate apparatus. In Proceedings of the World Tribology Congress III - 2005 (pp. 657-658). (Proceedings of the World Tribology Congress III - 2005). American Society of Mechanical Engineers. https://doi.org/10.1115/wtc2005-63656

Evaluation of wear resistance of cross-linked ultra-high molecular weight polyethylene for joint prostheses in the multi-directional pin-on-plate apparatus. / Sawano, T.; Murakami, T.; Sawae, Y.

Proceedings of the World Tribology Congress III - 2005. American Society of Mechanical Engineers, 2005. p. 657-658 (Proceedings of the World Tribology Congress III - 2005).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sawano, T, Murakami, T & Sawae, Y 2005, Evaluation of wear resistance of cross-linked ultra-high molecular weight polyethylene for joint prostheses in the multi-directional pin-on-plate apparatus. in Proceedings of the World Tribology Congress III - 2005. Proceedings of the World Tribology Congress III - 2005, American Society of Mechanical Engineers, pp. 657-658, 2005 World Tribology Congress III, Washington, D.C., United States, 9/12/05. https://doi.org/10.1115/wtc2005-63656

Sawano T, Murakami T, Sawae Y. Evaluation of wear resistance of cross-linked ultra-high molecular weight polyethylene for joint prostheses in the multi-directional pin-on-plate apparatus. In Proceedings of the World Tribology Congress III - 2005. American Society of Mechanical Engineers. 2005. p. 657-658. (Proceedings of the World Tribology Congress III - 2005). https://doi.org/10.1115/wtc2005-63656

Sawano, T. ; Murakami, T. ; Sawae, Y. / Evaluation of wear resistance of cross-linked ultra-high molecular weight polyethylene for joint prostheses in the multi-directional pin-on-plate apparatus. Proceedings of the World Tribology Congress III - 2005. American Society of Mechanical Engineers, 2005. pp. 657-658 (Proceedings of the World Tribology Congress III - 2005).

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abstract = "Gamma irradiation is used as a sterilization method for joint prosthesis. For this procedure, gamma irradiation causes crosslinking of UHMWPE. Crosslinked UHMWPE molecules connect each other strongly. However gamma irradiation causes the reduction in mechanical properties such as tensile strength and elongation because primary chain scission occurrs. Therefore, excessive irradiation would cause some problems. We suggest the existence of the optimum dose for minimum wear and moderate reduction in tensile strength and elongation. Furthermore we indicate a mechanism of wear resistance of gamma irradiated UHMWPE.",

author = "T. Sawano and T. Murakami and Y. Sawae",

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AB - Gamma irradiation is used as a sterilization method for joint prosthesis. For this procedure, gamma irradiation causes crosslinking of UHMWPE. Crosslinked UHMWPE molecules connect each other strongly. However gamma irradiation causes the reduction in mechanical properties such as tensile strength and elongation because primary chain scission occurrs. Therefore, excessive irradiation would cause some problems. We suggest the existence of the optimum dose for minimum wear and moderate reduction in tensile strength and elongation. Furthermore we indicate a mechanism of wear resistance of gamma irradiated UHMWPE.

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Evaluation of wear resistance of cross-linked ultra-high molecular weight polyethylene for joint prostheses in the multi-directional pin-on-plate apparatus

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