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Crucibles for the electron-beam evaporation of aluminum

  • Powder Metallurgical Materials, Parts, and Coatings
  • Published:
Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

  1. 1.

    By suitable choice of composition, the properties of refractory compound base crucible materials can be controlled to meet the requirements of the electron-beam evaporation of aluminum. Of the materials investigated, TiB2-TiC, boron carbonitride, and AlN show greatest promise. Si3N4-BN, Si3N4-MgO, and BN-SiC-B4C could be used as crucible materials in those cases where condensate contamination with Si and B is not unacceptable.

  2. 2.

    The use of hydrostatic pressing makes it possible to produce crucibles having a high and evenly distributed density, which not only facilitates their sintering but also improves their properties (the strength and thermal fatigue resistance are higher, heating is more uniform, thermal stresses are reduced, and the risk of the crucible material being penetrated by the metal in the crucible is less).

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Literature cited

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Authors and Affiliations

  1. All-Union Scientific-Research and Design Institute of Metallurgical Machine Construction, USSR

    R. E. Murashko, V. N. Sumarokov, T. V. Dubovik, V. K. Kazakov & L. I. Struk

  2. Institute of Materials Science, Academy of Sciences of the Ukrainian SSR, Ukraine

    R. E. Murashko, V. N. Sumarokov, T. V. Dubovik, V. K. Kazakov & L. I. Struk

Authors
  1. R. E. Murashko
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  2. V. N. Sumarokov
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  3. T. V. Dubovik
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  4. V. K. Kazakov
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  5. L. I. Struk
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Additional information

Translated from Poroshkovaya Metallurgiya, No. 12 (144), pp. 61–65, December, 1974.

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Murashko, R.E., Sumarokov, V.N., Dubovik, T.V. et al. Crucibles for the electron-beam evaporation of aluminum. Powder Metall Met Ceram 13, 1000–1003 (1974). https://doi.org/10.1007/BF00807910

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  • DOI: https://doi.org/10.1007/BF00807910

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