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Structure and properties of aluminum alloys with lead obtained by ultrasonic vibration and modification with sodium

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

Conclusions

  1. 1.

    Ultrasonic treatment of the melt along with the addition of surface-active sodium in amounts of 0.2–0.8% makes it possible to obtain antifriction aluminum alloys with a lead concentration as high as 12%. The lead inclusions are evenly distributed through the base metal.

  2. 2.

    The addition of sodium to aluminum alloys with lead improves the strength characteristics, with retention of fairly high ductile characteristics (elongation 15–17%).

  3. 3.

    The antifriction properties of aluminum alloys with 8–12% Pb are close to those of babbitt B83 and high-tin aluminum alloys widely used for bearings.

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Literature cited

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Authors
  1. V. G. Gorbunov
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  2. V. D. Parshin
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  3. V. P. Pupynin
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  4. N. S. Artemenko
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  5. G. A. Borisova
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Additional information

Technical College at the Moscow Automobile Factory. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 38–41, December, 1974.

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Gorbunov, V.G., Parshin, V.D., Pupynin, V.P. et al. Structure and properties of aluminum alloys with lead obtained by ultrasonic vibration and modification with sodium. Met Sci Heat Treat 16, 1039–1042 (1974). https://doi.org/10.1007/BF00664046

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  • DOI: https://doi.org/10.1007/BF00664046

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