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. 2019 Jan 28;12(3):407. doi: 10.3390/ma12030407

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© 2019 by the author.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Top: S-N fatigue curves for E325 and E400 Mg alloys tested in air and m-SBF. Arrows correspond to run-out samples. Bottom: SEM fractographs: (a) E325 tested in air, (b) E325 tested in m-SBF, (c) E400 tested in air, (d) E400 tested in m-SBF. σ_max is the maximum applied stress amplitude and N_f is the number of cycles to failure. The arrows in b_i and d_i indicate locations of crack nucleation [324]. Reprinted with permission from Elsevier.