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Possibility of Application of a 1565ch Alloy in the Automotive Industry

  • APPLIED PROBLEMS OF STRENGTH AND PLASTICITY
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Russian Metallurgy (Metally) Aims and scope

Abstract

The ductility margins of a grade 5182 aluminum–magnesium alloy, which is traditionally used in the automotive industry, and a 1565ch aluminum–magnesium alloy having a higher magnesium content and microalloyed with zirconium are analyzed and compared. The mechanical properties, their anisotropy, and the microstructures of the alloys in the annealed state are studied, and forming limit and limiting stress diagrams are plotted. The stamping of a typical automobile-body part, namely, an inner hood panel, is simulated by the finite element method. The 1565ch alloy is found to have the ductility that is high enough for an automobile-body sheet: its ductility is comparable with that of the grade 5182 alloy and even slightly exceeds it in the uniaxial tension zone.

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Notes

  1. To study the influence of zirconium on the strength properties, it would be better to choose an AMg6 alloy, the magnesium content in which is close to that in a 1565ch alloy. However, an AMg6 alloy has not been used and, apparently, will not be used for automobile-body sheets because of its low ductility. At the same time, a 1565ch alloy has good ductility for such a high magnesium content [19], which is likely to be caused by the fact that Al3Zr particles additionally refine subgrains and retard the motion of their boundaries during polygonization [23].

  2. In some cases, the direction of cutting aluminum alloy specimens can be different, since their texture can differ substantially because of chemical composition and be different for two alloys in the same as-delivered state [25, 26].

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Authors and Affiliations

  1. Technische Universität Bergakademie, 09599, Freiberg, Germany

    E. V. Aryshenskii, S. V. Guk, E. E. Galiev & R. Kavalla

  2. Samara National Research University, 443086, Samara, Russia

    E. V. Aryshenskii & E. E. Galiev

  3. AO Arkonik SMZ, 443051, Samara, Russia

    A. M. Drits

Authors
  1. E. V. Aryshenskii
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  2. S. V. Guk
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  3. E. E. Galiev
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  4. A. M. Drits
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  5. R. Kavalla
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Correspondence to E. E. Galiev.

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Translated by K. Shakhlevich

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Aryshenskii, E.V., Guk, S.V., Galiev, E.E. et al. Possibility of Application of a 1565ch Alloy in the Automotive Industry. Russ. Metall. 2018, 995–1001 (2018). https://doi.org/10.1134/S0036029518100026

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  • DOI: https://doi.org/10.1134/S0036029518100026

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