Effects of copper micro-alloying on the degradation behavior, microstructure, and mechanical properties of Zn-1.5%Mg biodegradable alloys for implant applications
Source abstract
Abstract
Zn-1.5 wt% Mg alloys are promising biodegradable implant materials due to their enhanced corrosion resistance. This study examined the effects of copper (Cu) micro-alloying on Zn-1.5 Mg alloys produced via melt casting. The alloys exhibited a primary α-Zn phase and a Mg2Zn11phase, with SEM revealing micro-needle structures (32.6–56.4 µm). Electrical conductivity ranged from 1.01 × 109–5.99 × 109S/m, with Zn-1.5 Mg-0.12Cu showing the highest value, suitable for cardiovascular use. All alloys were hydrophilic, with contact angles below 90°, ensuring good liquid interaction. Zn-1.5 Mg-0.9Cu demonstrated the lowest corrosion rate (0.038 mm/year) and the highest hardness (452.8 Hv), making it the most durable and mechanically robust. These findings highlight Zn-1.5 Mg-0.9Cu as a superior candidate for biomedical implants, particularly in orthopedics.Graphical abstractSynthesis and characterization of biomedical implant
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Magnesium Alloys: Properties and Applications · Aluminum Alloys Composites Properties · Corrosion Behavior and Inhibition
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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