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Effect of warm pressing on the mechanical properties and structure of green compacts of heterogeneous copper-based powder

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Powder Metallurgy and Metal Ceramics Aims and scope

The paper examines the warm pressing of copper-based powder mixtures with additions of lead, graphite, and tungsten. It is shown that the density increases by 2 to 3% in warm pressing of copperbased powders with additions of lead and graphite at 800 MPa and their bending strength and elastic modulus become almost twice as high. The tungsten content of 20 and 50% of the compact increases the bending strength. Preliminary cold pressing of the samples before warm pressing has practically no effect on material properties and, hence, does not contribute to energy saving.

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Authors and Affiliations

  1. Frantsevich Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Kiev, Ukraine

    T. A. Epifantseva, V. G. Kayuk, M. B. Shtern, I. D. Martyukhin, A. Yu. Koval & O. V. Mikhailov

Authors
  1. T. A. Epifantseva
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  2. V. G. Kayuk
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  3. M. B. Shtern
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  4. I. D. Martyukhin
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  5. A. Yu. Koval
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  6. O. V. Mikhailov
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Corresponding author

Correspondence to M. B. Shtern.

Additional information

Translated from Poroshkovaya Metallurgiya, Vol. 49, No. 1–2 (471), pp. 146–156, 2010.

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Epifantseva, T.A., Kayuk, V.G., Shtern, M.B. et al. Effect of warm pressing on the mechanical properties and structure of green compacts of heterogeneous copper-based powder. Powder Metall Met Ceram 49, 116–123 (2010). https://doi.org/10.1007/s11106-010-9210-z

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  • DOI: https://doi.org/10.1007/s11106-010-9210-z

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