Recent Progress on Mg- and Zn-Based Alloys for Biodegradable Vascular Stent Applications

Figure 1

Two main technical processes of fabricating Mg stents: (a) Mg foil and (b) Mg microtube. (c) Photochemically etched AZ31 Mg stents with welding bar; failure of balloon expansion of welded Mg stent (d) before expansion; (e) dog bone period; (f) full expansion of two heads; (g) break of one stunt; (h) break of stent.

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