Organ of human body



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In general , The advantage and disadvantage of Ti alloys are :
Advantages

Easily formed.
Highly biocompatible.
Outstanding corrosion resistance.
Better than stainless steel and cobalt-chromium alloys.
Forms protective oxide (TiO
2
) layer.

Anatomy and Metallic Biomaterials
MSc
202 - 202

Disadvantages

Poor wear resistance. Should not be used in articulated surfaces such as hip or knee joints unless surface-treated through ion implantation which improves wear resistance.
High cost because the amount of processing energy and melting and casting difficulties.
Higher elastic modulus compared to bone.
Although the inert behavior of Ti is a good property, its bone attachment is difficult because it do not react with the human tissues

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