Change of some parameters of UHMWPE depending on the usage

• Autorzy: Sobociński Michał , Nabrdalik Marcin

Warianty tytułu

PL

Zmiana wybranych parametrów UHMWPE związana z użytkowaniem

• Języki publikacji: EN

Abstrakty

EN

Long-term storage in adverse conditions of polymer materials, initiates ageing process as it affects their useful properties. That process covers all physical and chemical conversions taking place in the structure and effects in conversion of parameters of the material. The subject of this paper was to emphasize changes in some chosen parameters of UHMWPE gained during tests conducted on friction nodes applied in endoprostheses. The frictional – wear tests have been proceeded on samples of UHMWPE paired with contra - samples made of CoCrMo and Ti6Al4V alloys. There have also been conducted Shore’s D hardness tests, as well as DSC analysis. DSC thermograms analysis shows, that the load used at friction – wear tests affected the crystallinity chase and thermal features of polyethylene.

PL

Długotrwałe przechowywanie materiałów polimerowych w niekorzystnych warunkach powoduje inicjowanie procesu starzenia. Proces ten w tym przypadku rozumiany jest jako całokształt przemian fizycznych i chemicznych zachodzących w ich strukturze, wpływających na zmianę właściwości tworzyw polimerowych. Celem pracy było wskazanie zmiany wybranych parametrów UHMWPE zebranych podczas badań prowadzonych nad skojarzeniami węzłów tarcia stosowanymi w endoprotezoplastyce. Badaniom tarciowo - zużyciowym poddano próbki wykonane z UHMWPE współpracujące z przeciwpróbkami wykonanymi ze stopu CoCrMo oraz Ti6Al4V. Przeprowadzono także badania twardości Shore'a D oraz analizę za pomocą różnicowej kalorymetrii skaningowej DSC.

Słowa kluczowe

EN

UHMWPE; friction; wear; DSC

PL

UHMWPE; tarcie; zużycie; DSC

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej. Oddział Gliwice
• Czasopismo: Modelowanie Inżynierskie
• Rocznik: 2021
• Tom: T. 42, nr 73
• Strony: 48--53
• Opis fizyczny: Bibliogr. 15 poz.

Twórcy

autor

Sobociński Michał

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

autor

Nabrdalik Marcin

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

Bibliografia

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