Corrosion behavior and biocompatibility of hot-extruded mg-zn-ga-(y) biodegradable alloys

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SUMMARY

    Unlike Ti alloys, Mg alloys have a density and Young`s modulus close to those of cortical bone. The use of Ga as an alloying element for Mg biodegradable alloy can improve bone tissue regeneration ability. The investigation of corrosion properties of Mg-Ga alloys showed that increasing the Ga content in α-Mg resulted in a higher corrosion resistance, but when the Ga content is high and Ga presents in the form of the Mg5 Ga2 intermetallic phase, the corrosion rate (CR) increases. The Mg-4Zn-4Ga (wt.%) alloys, which alloyed by small quantities . . .

     

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