Wear rate of PMMA and UHWPE reinforcement with $SiO_2$ nano fillers

Document Type : Research Paper

Authors
1 Department of Mechanical Engineering, Damavand Branch, Islamic Azad University, Damavand, Iran.
2 Department of Mechanical Engineering, Damavand Branch, Islamic Azad University, Damavand, Iran
Abstract
Improving the quality of biomaterials and increasing their durability has always been one of the significant concerns in biomechanical studies. The use of nano-polymers may enhance the properties of implants and biomaterials. The purpose of this paper is to evaluate the influences of adding a different percentage of $Sio_2$ nanoparticles on wear resistance refinement. To measure the impacts of $ SiO_2$ nanoparticles on wear resistance, reinforced PMMA and UHWPE with Nano $SiO_2$ powders were produced. The effect of 0%,3%, and 5% Mass fraction of $SiO_2$ fillers on the wear rate of UHWPE as the artificial joint and 0%,3%, 5%, and 7% fraction of $SiO_2$ fillers on the wear rate of PMMA denture base, experimented by wear machine Tuber GT-7012-T according to ASTM 99g 2017. The experimental results demonstrate that at 5% mf of Nanoparticles, the wear rate reduces up to 40%. However, increasing the mf of Nanoparticles is improper and decreases the wear resistance. One-way ANOVA analysis was applied to determine significant differences
between data.
Keywords

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Articles in Press, Corrected Proof
Available Online from 11 July 2026

  • Receive Date 16 June 2024
  • Revise Date 08 October 2024
  • Accept Date 09 October 2024