Abstract This paper provides an overview of Spark Plasma Sintering (SPS), which is an advanced technology for high-speed sintering of powder materials by applying mechanical pressure to the powder compact and heating it using a pulsed direct current. Some examples of the successful application of the SPS technology in producing materials with high strength characteristics are shown. By optimizing the SPS regimes, the hardness of pure WC ceramics H v=30÷31GPa (20% higher than that of conventional materials), hardness of pure Al2O3 ceramics H v=23.5GPa (50% higher than that of conventional materials) and limit strength of the heavy alloy W–Ni–Fe σ T=2500MPa (2 times higher than that of conventional materials) are achievable.

    Highlights Spark Plasma Sintering (SPS) is an advanced technology for high-speed sintering of powder. By optimizing the SPS regimes, the hardness of pure WC ceramics increases by 20% Hardness of pure Al2O3 ceramics turns 50% higher than that of usual material. Limit strength of the heavy alloy W–Ni–Fe achieved in SPS is 2 times higher than for regular material.


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    Titel :

    Structure and properties of advanced materials obtained by Spark Plasma Sintering


    Beteiligte:
    Chuvildeev, V.N. (Autor:in) / Panov, D.V. (Autor:in) / Boldin, M.S. (Autor:in) / Nokhrin, A.V. (Autor:in) / Blagoveshchensky, Yu.V. (Autor:in) / Sakharov, N.V. (Autor:in) / Shotin, S.V. (Autor:in) / Kotkov, D.N. (Autor:in)

    Erschienen in:

    Acta Astronautica ; 109 ; 172-176


    Erscheinungsdatum :

    2014-11-03


    Format / Umfang :

    5 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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