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Special features of the structure, properties, and failure of plasma-sprayed matrices for boroaluminum

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Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

Compaction of PSA in the conditions simulating the production of FCMs does not result in the properties typical of the standard alloys. The main reason for the reduction of the properties of the PSA are the oxide films which, as a result of brittle splitting, form nucleation cracks and support their propagation.

On the one hand, the higher creep strength of the PSA makes these materials suitable for use as a matrix of the FCM working at elevated temperatures and, on the other hand, makes it necessary to increase temperature and specific compaction forces of the FCM, thus preventing compatibility of the components.

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Authors and Affiliations

  1. Institute of Problems of Superplasticity of Metals, Academy of Sciences of the USSR, USSR

    V. V. Astanin & A. A. Sirenko

Authors
  1. V. V. Astanin
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  2. A. A. Sirenko
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Translated from Poroshkovaya Metallurgiya, No. 11, pp. 63–67, November, 1990.

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Astanin, V.V., Sirenko, A.A. Special features of the structure, properties, and failure of plasma-sprayed matrices for boroaluminum. Powder Metall Met Ceram 29, 909–913 (1990). https://doi.org/10.1007/BF00794026

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  • DOI: https://doi.org/10.1007/BF00794026

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