Abstract
A number of researchers have reported the mechanical properties of Mg alloys processed with high-pressure torsion (HPT), which is a typical method of severe plastic deformation. However, the effect of alloying elements on the mechanical properties of HPT-processed Mg alloys was unclear.
In this study, to clarify the influence of the additional elements on the microstructures and mechanical properties of magnesium alloys, Mg-1at%x alloys (x=Al, Zn, Sn, Bi, Y) were produced by HPT processing. The microstructures and mechanical properties were investigated, and the effects of the various alloying elements were compared. The specimens were heat treated to maximize the amount of solute content in the matrix, and then subjected to HPT processing. Significant grain refinement was achieved by HPT prpcessing, with solute segregation at the grain boundaries. The hardness of the alloys was increased by the HPT processing, and this effect cannot be explained by grain refinement alone. Finally, the different strengthening effects of the various alloying elements are discussed.
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Reference
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© 2015 TMS (The Minerals, Metals & Materials Society)
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Kawabata, H., Kuramoto, S., Oh-ishi, K. (2015). Microstructures and Mechanical Properties of Mg-1at%X Alloys Processed with High-Pressure Torsion. In: Manuel, M.V., Singh, A., Alderman, M., Neelameggham, N.R. (eds) Magnesium Technology 2015. Springer, Cham. https://doi.org/10.1007/978-3-319-48185-2_43
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DOI: https://doi.org/10.1007/978-3-319-48185-2_43
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48611-6
Online ISBN: 978-3-319-48185-2
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