Mechanical Alloying Process Applied for Obtaining a New Biodegradable Mg-xZn-Zr-Ca Alloy

The aim of the present paper is to apply the mechanical alloying process to obtain from powder components a new biodegradable Mg-based alloy powder from the system Mg-xZn-Zr-Ca, with high biomechanical and biochemical performance. Various processing parameters for mechanical alloying have been exper...

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Bibliographic Details
Published in:Metals (Basel ) 2022-01, Vol.12 (1), p.132
Main Authors: Raducanu, Doina, Cojocaru, Vasile Danut, Nocivin, Anna, Hendea, Radu, Ivanescu, Steliana, Stanciu, Doina, Trisca-Rusu, Corneliu, Drob, Silviu Iulian, Cojocaru, Elisabeta Mirela
Format: Article
Language:English
Subjects:
Alloy powders
Biocompatibility
Biodegradability
Biodegradation
Biomechanics
Calcium
Cell division
Chemical elements
Composition
Geometry
Inclusions
Laser beam melting
Lasers
magnesium alloy
Magnesium base alloys
Manufacturing
Mechanical alloying
Mechanical properties
Methods
microstructure
Morphology
power morphology
Process parameters
Titanium alloys
Transplants & implants
Zirconium
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Summary:The aim of the present paper is to apply the mechanical alloying process to obtain from powder components a new biodegradable Mg-based alloy powder from the system Mg-xZn-Zr-Ca, with high biomechanical and biochemical performance. Various processing parameters for mechanical alloying have been experimented with the ultimate goal to establish an efficient processing route for the production of small biodegradable parts for the medical domain. It has been observed that for the same milling parameters, the composition of the powders has influenced the powder size and shape. On the other hand, for the same composition, the highest experimented milling speed and time conduct to finer powder particles, almost round-shaped, without pores or various inclusions. The most uniform size has been obtained for the powder sample with 10 wt.%Zn. These powders were finally processed by selective laser melting, an additive manufacturing technology, to obtain a homogeneous experimental sample, without cracking, for future more systematical trials.
ISSN:2075-4701
2075-4701
DOI:10.3390/met12010132