Research Article
Magnetron Sputtering a New Fabrication Method of Iron Based Biodegradable Implant Materials
Table 2
Measured mechanical properties of s-Fe after different annealing treatments and published literature values.
| Sample | Yield strength (MPa) | Ultimate tensile strength (MPa) | Strain at fracture (%) |
| s-Fe as-deposited | 606 ± 33 | 634 ± 33 | 1.4 ± 0.1 | s-Fe annealed at 400°C, 2 h | 604 ± 19 | 616 ± 9 | 1.6 ± 0.4 | s-Fe annealed at 600°C, 20 min | 612 ± 20 | 638 ± 10 | 1.3 ± 0.2 | s-Fe annealed at 600°C, 1 h | 568 ± 23 | 584 ± 33 | 2.0 ± 0.5 | s-Fe annealed at 600°C, 2 h | 381 ± 29 | 413 ± 9 | 13 ± 3.6 | s-Fe annealed at 800°C, 2 h | 267 ± 7 | 343 ± 4.7 | 20 ± 2.6 | E#-Fe annealed at 550°C [14] | 270 ± 6 | 292 ± 14 | 18.4 ± 4 | E#-Fe annealed at 600°C [14] | 130 ± 7 | 169 ± 9 | 32.3 ± 5 | Cast iron annealed at 550°C [14] | 140 ± 10 | 205 ± 6 | 25.5 ± — | Fe35Mn [15] | 234 ± 7 | 428 ± 7 | 32.0 ± 0.8 | Armco Fe annealed [19] | 170 ± — | 270 ± — | 49.3 ± — | Fe(X) alloys as cast [18] | 100–220 | 200–360 | 10–25 | Fe(X) alloys as rolled [18] | 360–450 | 430–850 | 5–9 | UD-Fe [20] | 593 ± 2 | 600 ± 8 | 3.5 ± 2 | UD-Fe annealed [20] | 246 ± 3 | 283 ± 5 | 34.8 ± 8 | WE43 Mg alloy [8] | 198 ± — | 277 ± — | 17 ± — | 316L SS [3] | 190 ± — | 490 ± — | 40 ± — |
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Electroformed. Unidirectional rolled.
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