Abstract
This study compared Zr-Mo alloys with commercial metallic biomaterials. It was observed that the Zr-Mo alloys exhibited favourable mechanical properties, particularly the Zr-10Mo alloy, which showed the highest strength to Young’s modulus ratio among all evaluated metals. These alloys also exhibited the lowest magnetic susceptibilities, which are important for magnetic resonance imaging (MRI). However, both Zr- and Ti-based metals yielded comparable artifacts. It was concluded that the magnetic susceptibility must differ considerably to afford significantly improved MRI quality owing to the increased importance of non-susceptibility-related artifacts when comparing materials with relatively similar magnetic susceptibilities.
Highlights
This study compared Zr-Mo alloys with commercial metallic biomaterials
We focused on the capability of Zr-based alloys in decreasing the magnetic resonance imaging (MRI) artifacts in comparison to well-known metallic biomaterials
As the Mo content increased, the volume fraction of the β phase (BCC crystal structure) increased; this result was expected by the addition of a β-stabilizing element
Summary
This study compared Zr-Mo alloys with commercial metallic biomaterials. It was observed that the Zr-Mo alloys exhibited favourable mechanical properties, the Zr-10Mo alloy, which showed the highest strength to Young’s modulus ratio among all evaluated metals. Www.nature.com/scientificreports diagnosis and procedures, as well as the fact that patients with metallic implants have to eventually submit themselves to MRI, it is very important to select and apply materials with good MRI compatibility, which includes properties such as low magnetic susceptibility values[24].
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