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Metals 2018, 8(1), 20; https://doi.org/10.3390/met8010020

Corrosion Fatigue of Fine Grain Mg-Zn-Zr and Mg-Y-Zn Alloys

1
Institute of Advanced Technologies, Togliatti State University, Togliatti 445020, Russia
2
Institute for Metals Superplasticity Problems, Russian Academy of Sciences, Ufa 450001, Russia
3
Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology—NTNU, N-7491 Trondheim, Norway
*
Author to whom correspondence should be addressed.
Received: 29 November 2017 / Revised: 22 December 2017 / Accepted: 29 December 2017 / Published: 31 December 2017
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Abstract

Corrosion fatigue data for magnesium alloys are still scarce. The present communication reports the results of microstructural investigations and fatigue testing of the fine grain Mg-Zn-Zr (ZK60) alloy after multiaxial isothermal forging and of the hot extruded Mg-Y-Zn (WZ21) alloy in air and in the 0.9% NaCl water solution. Both of the alloys demonstrate a very good high-cycle fatigue performance in air. However, the significant drop of fatigue resistance is observed in the corrosive environment. Results are discussed from perspectives of potential applications and future studies. View Full-Text
Keywords: magnesium alloys; fatigue properties; corrosion fatigue; severe plastic deformation; multiaxial isothermal forging magnesium alloys; fatigue properties; corrosion fatigue; severe plastic deformation; multiaxial isothermal forging
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Linderov, M.; Vasilev, E.; Merson, D.; Markushev, M.; Vinogradov, A. Corrosion Fatigue of Fine Grain Mg-Zn-Zr and Mg-Y-Zn Alloys. Metals 2018, 8, 20.

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