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IJSTR >> Volume 8 - Issue 7, July 2019 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

A Study Of The Effect Of Tio2 And Al2O3 On Tribological, Mechanical Properties And Microstructure Of PMMA And LDPE Polymer Composites Can Used As Tibial Insert In Total Knee Replacement Implant

[Full Text]



K R Dinesh, Gururaj Hatti



PMMA, LDPE, TiO2, Al2O3, Injection moulding, Extruder Machine, Pin-on-disc



In total knee replacement the whole knee joint is substituted by the artificial materials like ceramic, metal, or polymeric which will act has load bearing joint. Knee spacer is the component of TKR which is used to look-alike the articular cartilage. In this paper, we report the result of titanium oxides and alumina on tribological, mechanical properties and microstructure of polymer composites fabricated by injection moulding technique. Due to prominent applicant of polymer composites low cost, high strength and ease of fabrication, now a days they are used to prepare implant materials. Polymers when used in their real form they pose truncated mechanical and tribological properties. Due to this reason polymers are reinforced with the other available materials (ceramics) to increase the mechanical and tribological properties. In this research we used TiO2 and Al2O3 ceramics to reinforce the PMMA and LDPE polymers matrix. Specimens are prepared according to ASTM standard with changing the percentage of alumina in both matrixs. Bending, Impact, hardness, wear tests are carried along with biocompatibility test.



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