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Effect of homogenization annealing schedule on the structure and properties of ingots and forgings of aluminum alloy 1420

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

Conclusions

  1. 1.

    Homogenized ingots of alloy 1420 in tensile tests have considerable scatter of values for relative elongation and reduction of area in the temperature range 300–450°C which requires control of the heating temperature and cooling rate for ingots after homogenization annealing.

  2. 2.

    A two-stage homogenization annealing schedule with a high-temperature second stage (500°C) does not improve the technological effectiveness of alloys, it leads to a reduction in mechanical properties and low-cycle fatigue endurance in the height direction, and it increases the sensitivity of semi-finished products to intercrystalline corrosion.

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References

  1. I. N. Fridlyander, N. V. Shuryaeva, T. V. Gorokhova, et al., "Properties and structure of sheets of alloy 01420," in: Aviation Materials, Ser. Aviation Alloys [in Russian], No. 4, VIAM, Moscow (1980), p. 47.

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Authors
  1. L. M. Sheveleva
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  2. O. E. Grushko
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  3. G. L. Shneider
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Additional information

Scientific Research Institute of Aviation Materials. All-Union Institute of Light Alloys (VILS). Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 10, pp. 22–25, October, 1993.

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Sheveleva, L.M., Grushko, O.E. & Shneider, G.L. Effect of homogenization annealing schedule on the structure and properties of ingots and forgings of aluminum alloy 1420. Met Sci Heat Treat 35, 578–581 (1993). https://doi.org/10.1007/BF00778669

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  • DOI: https://doi.org/10.1007/BF00778669

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