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Effect of temperature on the processing of a magnesium alloy by high-pressure torsion

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Abstract

It is now well known that processing by SPD can significantly increase the strength of metallic materials by refining the grain structure and increasing the density of defects. The rapid increase in strength observed in the early stages of deformation is expected to slow down and saturate at large strains because of an increasing recovery of the material. Therefore, a saturation strength is anticipated that will depend on the processing temperature. This investigation analyses this parameter by determining the evolution of hardness of a magnesium alloy processed by high-pressure torsion at different temperatures.

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Acknowledgements

The authors would like to acknowledge D. Solas for his help during the X-ray diffraction texture measurements. This study was supported in part by the Brazilian Research Council (CNPq) and in part by the European Research Council under ERC Grant Agreement No. 267464-SPDMETALS.

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Correspondence to Yi Huang.

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Huang, Y., Figueiredo, R.B., Baudin, T. et al. Effect of temperature on the processing of a magnesium alloy by high-pressure torsion. J Mater Sci 47, 7796–7806 (2012). https://doi.org/10.1007/s10853-012-6578-9

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  • DOI: https://doi.org/10.1007/s10853-012-6578-9

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