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Shock-Wave Sintering of the 70 vol.% Kh13M2–30 vol.% Cr3C2 Carbonized Steel in a Wide Temperature Range

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Powder Metallurgy and Metal Ceramics Aims and scope

The compaction of the 70 vol.% Kh13M2–30 vol.% Cr3C2 carbonized steel is carried out by the shock-wave sintering under 1200 MPa in the 950–1200°C temperature range and the free sintering is performed at 1250°C in vacuum (0.13 Pa). The effect of the compacting temperature and annealing at 1150°C on the structure and physical and mechanical properties of the composite is studied. It is shown that an active interaction between carbide phase and steel matrix occurs in the structure of the material during heating. As a result, the amount of carbide component in the composite increases by 10 vol.% and by 30 vol.% during annealing, compared to the starting carbonized steel. High strength and plasticity properties of the composite are obtained at a shockwave sintering temperature of ≥1100°C. The carbonized steel possesses the following properties: bending strength 1165 MPa, compression strength 2665 MPa, compressive plastic strain 8.2%, fracture toughness 20.4 MPa · m1/2, and the Rockwell hardness 78 HRA.

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Authors and Affiliations

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

    A. I. Tolochin, A. V. Laptev, R. V. Yakovenko & V. A. Maslyuk

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  1. A. I. Tolochin
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  2. A. V. Laptev
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  3. R. V. Yakovenko
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  4. V. A. Maslyuk
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Corresponding author

Correspondence to A. V. Laptev.

Additional information

Translated from Poroshkovaya Metallurgiya, Vol. 55, Nos. 9–10 (511), pp. 19–33, 2016.

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Tolochin, A.I., Laptev, A.V., Yakovenko, R.V. et al. Shock-Wave Sintering of the 70 vol.% Kh13M2–30 vol.% Cr3C2 Carbonized Steel in a Wide Temperature Range. Powder Metall Met Ceram 55, 518–529 (2017). https://doi.org/10.1007/s11106-017-9835-2

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  • DOI: https://doi.org/10.1007/s11106-017-9835-2

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