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All Journal Journal of Biomedical Science and Bioengineering
Angga Yunis Prasetya
Department of Mechanical Engineering, Faculty of Engineering, Universitas Wahid Hasyim
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering

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The Effect of Plasma Nitridation on Surface Hardness of Titanium Alloy (Ti-6Al-4V) for Artificial Knee Joint Applications Angga Yunis Prasetya; Darmanto Darmanto; Muhammad Dzulfikar
Journal of Biomedical Science and Bioengineering Vol 1, No 2 (2021)
Publisher : Center for Biomechanics, Biomaterials, Biomechantronics and Biosignal Processing (CBOIM3S)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (479.203 KB) | DOI: 10.14710/jbiomes.2021.v1i2.49-53

Abstract

Nitriding has been carried out using plasma nitriding techniques for surface treatment of Titanium as a biomaterial component. The purpose of this study was to determine the effect of plasma nitriding on surface hardness that occurs in titanium. The material used is Titanium Alloy (Ti-6Al-4V) Grade 5 which is processed by plasma nitriding by varying nitrogen (N2) and argon (Ar) gases of (100% N2/0% Ar), (95% N2/5% Ar), (90% N2/10% Ar), (85% N2/15% Ar), (80% N2/20% Ar), and (75% N2/25% Ar), and temperature 400ºC, time 5 hours and a pressure of 1.6 bar. The test results show that the optimum hardness is found in the gas composition with a ratio of 95% N2: 5% Ar. Obtained a hardness of 371 HV/VHN or an increase of 159% of the raw material with hardness value of 143 HV/VHN
Co-Authors Darmanto Darmanto Muhammad Dzulfikar