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Effect of iron and silicon impurities on the mechanical properties of an alloy in the system Al−Zn−Mg−Cu

  • Nonferrous Metals and Alloys
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    A reduction in iron and silicon content in alloys of the system Al−Zn−Mg−Cu promotes a marked increase in ductility with retention of quite a high level of strength properties, and also an increase in alloy resistance to scaling corrosion.

  2. 2.

    The impact strength of alloy containing 0.08% Fe and 0.03% Si, is higher by a factor of two than alloy containing 0.2% Fe and 0.1% Si, and the fatigue crack growth rate with all ΔK is less.

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Literature cited

  1. L. E. Mondolfo, Aluminum Alloys, Structure and Properties, Butterworths (1976).

  2. A. E. Semenov and O. A. Setyukov, "Excess intermetallic compounds in alloy D1," Tekhnol. Legkykh Splavov, No. 6, 9 (1972).

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  3. L. N. Leschchiner and T. P. Fedorenko, "Effect of composition and structure on the properties of worked aluminum alloy of the D16 type," Metalloved. Term. Obrab. Met. No. 3, 33–36 (1982).

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  4. V. P. Kudryashov and V. I. Smolentsev, Fracture Toughness of Aluminum Alloys [in Russian], Metallurgiya, Moscow (1976).

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Authors
  1. I. N. Fridlyander
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  2. O. A. Noskova
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  3. N. B. Kuznetsova
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 30–32, June, 1987.

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Fridlyander, I.N., Noskova, O.A. & Kuznetsova, N.B. Effect of iron and silicon impurities on the mechanical properties of an alloy in the system Al−Zn−Mg−Cu. Met Sci Heat Treat 29, 439–440 (1987). https://doi.org/10.1007/BF00715882

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  • DOI: https://doi.org/10.1007/BF00715882

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