Reduction in wear loss of ultra-high molecular weight polyethylene composite under human body temperature Online publication date: Mon, 14-Aug-2023
by N.A. Ravivardhan; T. Jagadish
International Journal of Biomedical Engineering and Technology (IJBET), Vol. 42, No. 4, 2023
Abstract: Ultra-high molecular weight polyethylene (UHMWPE), a standard material used in artificial joints, generates wear debris when used in total hip replacement. In this study UHMWPE polymer reinforced with multi-walled carbon nanotubes (MWCNT) has been developed to enhance the wear resistance property of the material. The compressed composite specimens were subjected to wear test at different load under room temperature (~2°C) and at 4°C, i.e., close to human body temperature. This is the first report on the effect of human body temperature on wear properties of composite materials. Wear properties were studied for UHMWPE and UHMWPE-MWCNT composites. The study has confirmed a reduction in wear loss of UHMWPE by reinforcement with MWCNT and a high-level reduction in wear loss of the composite materials on exposure to human body temperature. The findings of this study will make great contribution to joint transplantation therapy by providing valuable input regarding wear-resistant implant material.
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