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Biodegradable iron coronary stents mechanical and corrosion properties.
| Iron and Iron Alloys | Average Grain Size (µm) | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | In Vitro Corr. Rate (mm/year) |
|---|---|---|---|---|---|
| Armco® Fe annealed [38] | 12–30 | 150 | 200 | 40 | 0.19 |
| Fe-35Mn alloy annealed [31] | <100 | 230 | 1450–1550 | 30 | 0.44 |
| Fe-30Mn-6Si solution treated [39] | <100 | 180 | 450 | 16 | 0.30 |
| Fe electroformed and annealed at 550 °C [40] | 2–8 | 270 | 290 | 18 | 0.46–1.22 |
