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CHARACTERIZATION OF NICKLE FREE TITANIUM ALLOY TI-27NB FOR BIOMEDICAL APPLICATIONS

 Muhammad Amjad1,*, Saeed Badshah1, Muhammad Adil Khattak2, Rafi Ullah Khan1, Muhammad Mujahid1

 1* Department of Electrical Engineering, University of Engineering and Technology, Peshawar

2 Mechanical Engineering Department, Universiti Teknologi Malaysia

ABSTRACT

 Bone implantation is common since several decades. Titanium alloys are the most commonly used bone implant

materials. TI-27Nb (Titanium-27% Niobium) having no toxic effects on human body and also having low modulus.
The objective of this paper is the mechanical characterization of TI-27Nb. Tensile, hardness, microscopy and scanning
electron microscope tests were conducted on TI-27Nb specimens. The tensile strength and young modulus of TI-27Nb
were lower than commonly used Titanium alloy i.e Ti-6Al-4V. The SEM results show mixed brittle-ductile surfaces.
It is concluded that TI-27Nb has lower stress shielding/bone restoration because of low modulus than commonly
used implant materials.

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Journal of Engineering and Applied Sciences

December

Vol. 42, pp. 01-48

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