Effect of Graphene-Oxide Addition on the Microstructure and Mechanical Properties of Two-Stage Sintered Zirconia-Toughened Alumina (ZTA) Composites
نویسندگان
چکیده
United Nations has estimated that 130 million people would suffer from osteoarthritis worldwide by 2050. This disease require patients to undergo a surgery known as Total Hip Replacement (THR) which failure rate of approximately 1 % with lifespan 20 years. The biomaterials used manufacture this total hip artroplasty are mainly made Zirconia-Toughened Alumina. In work, Zirconia Toughened Alumina (ZTA) composites 10 vol% Y-TZP content were doped small amount (0.01 wt%) graphene oxide (GO). GO-doped ZTA produced via two-stage sintering T ranging between 1400°C and 1550°C, heating 20°C/min, followed 2 1350°C 12 hours holding time. sintered samples then evaluated on its microstructure mechanical properties such bulk density, Vickers hardness, Young’s modulus fracture toughness investigate the effect GO addition prepared sintering. results showed containing up 0.1 wt% is beneficial in improving microstructural sample recorded high hardness 18.5 GPa, 406 GPa 5.8 MPam 1/2 when at 1450?.
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ژورنال
عنوان ژورنال: MATEC web of conferences
سال: 2021
ISSN: ['2261-236X', '2274-7214']
DOI: https://doi.org/10.1051/matecconf/202133503019