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Effect of the interface on the strength of composite materials with boron filaments

  • Composite Materials
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Fibrous composite materials with brittle filaments, typified by boroaluminum, with an imperfect interface can be represented as a model system consisting of two parts: part I, with the maximal strength of the interface and fracturing by a noncumulative mechanism; part II, with zero strength of the interface and fracturing by a cumulative mechanism.

  2. 2.

    A theoretical analysis showed that the highest strength of boroaluminum is reached with intermediate strength of the interface, i.e., with a strength lower than the maximum, which is taken as equal to the strength of the matrix. This was confirmed by experimental results obtained with boroaluminum having a matrix of flame-sprayed alloy AD1.

The most promising matrixes for boroaluminum, as the calculations showed, are quenched and aged alloy D16 and annealed alloy ABM1.

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Literature cited

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Authors
  1. M. Kh. Shorshorov
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  2. L. E. Gukasyan
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  3. L. M. Ustinov
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 22–25, November, 1980.

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Shorshorov, M.K., Gukasyan, L.E. & Ustinov, L.M. Effect of the interface on the strength of composite materials with boron filaments. Met Sci Heat Treat 22, 803–807 (1980). https://doi.org/10.1007/BF00779429

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  • DOI: https://doi.org/10.1007/BF00779429

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