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Effect of magnesium on the structure and properties of Al−Ni−Si−Mn bronze


  1. 1.

    The addition of magnesium to bronze ANKMts 6-6-1-2 reduces the tendency to grain growth. Magnesium has no effect on the kinetics of aging, but slightly increases the hardening during aging. The optimal aging conditions are 425° for 3h and 450° for 2h.

  2. 2.

    Raising the quenching temperature of bronze with magnesium to 950° leads to an increase of the strength during subsequent aging.

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    The addition of magnesium reduces the degree and rate of stress relaxation under static and cyclic loads. The relaxation resistance is highest after thermomechanical treatment for the alloy with 0.13% Mg.

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Literature cited

  1. 1.

    A. G. Rakhshtadt, Spring Steels and Alloys [in Russian], Metallurgiya, Moscow (1971), p. 496.

  2. 2.

    V. G. Grishchenko et al., "Effect of microalloying with magnesium on the properties of strain hardened spring bronzes," Metal. i Term. Obrabotka Metal., 11, 42–43 (1971).

  3. 3.

    A. G. Rakhshtadt et al., "Modification of beryllium bronzes with magnesium," Tsvetnye Metally, 6, 58–61 (1970).

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Additional information

N. E. Bauman Moscow Technical College. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 8, pp. 47–50, August, 1973.

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Pastukhova, Z.P., Dovbenko, A.V. & Babenko, N.P. Effect of magnesium on the structure and properties of Al−Ni−Si−Mn bronze. Met Sci Heat Treat 15, 684–686 (1973).

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  • Magnesium
  • Cyclic Load
  • Stress Relaxation
  • Aging Condition
  • Thermomechanical Treatment