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Rare Earth Magnesium Alloy
A
B
Figure 10. The cell compatibility results of samples. (A) Fluorescent images. (B) Cell viability of Mg and Sc-containing Mg alloys extracts
after culture for 1, 4, and 7 days.
4. Conclusions (2) The immersion test results revealed that high Sc content
addition significantly enhanced the corrosion resistance
The Mg(Sc) solid solution powder was prepared through of Mg matrix because of the formation of protective
MA and subsequently consolidated by SLM. The corrosion product film, which contained rare earth oxide.
degradation behavior and biocompatibility of the SLM (3) Sc-containing Mg alloys exhibited no adverse
processed Sc-containing Mg alloys were systematically effects on cell viability in vitro and had an adequate
studied. The conclusions are listed as below: biocompatibility, which was suitable for future
(1) The XRD and TEM results of milled powders orthopedic applications.
indicated that the single Mg(Sc) solid solution
powder was prepared after ball milling for 40 h. The Acknowledgments
solid solution structure was maintained after SLM, This study was supported by the following funds:
which was due to its fast heating and cooling rate. (1) National Natural Science Foundation of China
106 International Journal of Bioprinting (2022)–Volume 8, Issue 3
