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The influence of the processing route and chemical composition in the corrosion behaviour of two Mg–Zn–Y–Mischmetal alloys has been evaluated in phosphate buffer saline solution. The corrosion resistance of the alloy processed by conventional techniques was substantially higher than that found for the same alloy processed from atomised powders. Fine homogeneous distribution of the second-phase particles...
Mg-based materials are especially attractive as biodegradable implants, although they degrade so fast in physiological media that corrosion protection is needed. In this work, biodegradation kinetics of powder metallurgy Mg, cast Mg and AZ31 alloy were evaluated by EIS measurements in cell culture medium (DMEM), which simulates closely the physiological media. To reduce their degradation rate, a chemical...
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