Journal of Biomedical Science and Bioengineering
Vol 1, No 2 (2021)

The Effect of Plasma Nitridation on Surface Hardness of Titanium Alloy (Ti-6Al-4V) for Artificial Knee Joint Applications

Angga Yunis Prasetya (Department of Mechanical Engineering, Faculty of Engineering, Universitas Wahid Hasyim)
Darmanto Darmanto (Department of Mechanical Engineering, Faculty of Engineering, Universitas Wahid Hasyim)
Muhammad Dzulfikar (Department of Mechanical Engineering, Faculty of Engineering, Universitas Wahid Hasyim)

Article Info

Publish Date
03 Jan 2022

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

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Journal Info
Journal of Biomedical Science and Bioengineering
Website

Abbrev

jbiomes

Publisher

Universitas Diponegoro

Subject

Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering

Description

This journal has the scope of all aspects of biomedical science and bioengineering. Its scope also covers medical sciences, signal processing, biomaterial, medical diagnostic tools, ergonomy as well as all related ...