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In vitro cytotoxicity assessment is indispensable in developing new biodegradable implant materials. Zn, which demonstrates an ideal corrosion rate between Mg‐ and Fe‐based alloys, has been reported to have excellent in vivo biocompatibility. Therefore, modifications aimed at improving Zn's mechanical properties should not degrade its biological response. As sufficient strength, ductility and corrosion...
Zn-xZr alloys (x = 0.01, 0.02, 0.05, 0.1 wt%) were designed to improve the poor mechanical properties of pure zinc, a potential biodegradable material for biomedical implants. The microaddition of Zr and the application of the indirect hot extrusion process resulted in effective grain refinement of the investigated alloys. Alloys with smaller Zr additions were characterized by finer grains, but brittle...
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