Production of Products of Various Shapes From Si.sub.3N.sub.4-Based Refractory Compounds by Spark Plasma Sintering

Production of Products of Various Shapes From Si.sub.3N.sub.4-Based Refractory Compounds by Spark Plasma Sintering

The possibility of manufacturing ball-, cylinder-, and hollow cylinder-shaped products based on Si.sub.3N.sub.4 and TiN nanocomposites by spark plasma sintering (SPS) is demonstrated. The features of the product properties associated with different conductivity of composites. The mechanical properti...

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Veröffentlicht in:Powder metallurgy and metal ceramics 2015-05, Vol.54 (1-2), p.8
Hauptverfasser: Zamula, M. V, Derevyanko, A. V, Kolesnichenko, V. G, Zgalat-Lozinskii, O. B, Ragulya, A. V
Format: Artikel
Sprache:eng
Schlagworte:
Electric properties
Mechanical properties
Nitrides
Sintering
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Zusammenfassung:The possibility of manufacturing ball-, cylinder-, and hollow cylinder-shaped products based on Si.sub.3N.sub.4 and TiN nanocomposites by spark plasma sintering (SPS) is demonstrated. The features of the product properties associated with different conductivity of composites. The mechanical properties of ball- and hollow cylinder-shaped materials measured: HV ~ 11.5 GPa, K.sub.Ic ~ 4.1 MPa · m.sup.1/2 (for Si.sub.3N.sub.4); and HV ~ 12.7 GPa, K.sub.Ic ~ 4.8 MPa · m.sup.1/2 (for Si.sub.3N.sub.4-TiN).
ISSN:1068-1302
DOI:10.1007/s11106-015-9673-z