Numerical analysis of stress distribution generated in spherical polyethylene inserts by knee joint endoprotheses’ sleds

• Autorzy: Nabrdalik Marcin , Sobociński Michał

Identyfikatory

DOI

10.2478/pjct-2019-0012

• Języki publikacji: EN

Abstrakty

EN

The paper presents analysis of stress distribution in the friction node of knee joint endoprosthesis where sleds are made of various titanium alloys and CoCrMo cooperate with spherical polyethylene inserts. Currently used titanium alloys consists of Nb, Ta, Zr or Mo and with lesser value of Young’s modulus than Ti6Al4V alloy, or steel CoCrMo, which significantly varies from other metal materials. The obtained results make it possible to indicate the “weak points” of the accepted solution, and thus counteract the subsequent effects resulting from premature wear of endoprosthesis elements. The analysis was conducted with numerical method of ADINA System 8.6. The Finite Elements Method allowed to compute and present stress distribution quickly in all elements of the model.

Słowa kluczowe

EN

polyethylene UHMWPE; FEM; endoprosthesis of knee joint

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2019
• Tom: Vol. 21, nr 2
• Strony: 1--5
• Opis fizyczny: Bibliogr. 20 poz., rys., tab.

Twórcy

autor

Nabrdalik Marcin

• Czestochowa University of Technology, Faculty of Mechanical Engineering and Computer Science, Al. Armii Krajowej 21, 42-217 Częstochowa, Poland

autor

Sobociński Michał

• Czestochowa University of Technology, Faculty of Mechanical Engineering and Computer Science, Al. Armii Krajowej 21, 42-217 Częstochowa, Poland

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).