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This study presents properties of Ni3Al–diamond composites sintered by Pulsed Plasma Sintering (PPS) with the participation of SHS reaction (Self-propagating High-temperature Synthesis). Ni3Al–diamond sinters were produced using Ni:Al (3:1 at.) powder mixtures with addition of 30 vol. % of diamond with grain size ranging from 16 to 60 μm. The sintering process was performed at 1000°C in 5 minutes...
Przedmiotem pracy jest wytworzenie kompozytu Cu/diament o udziale objętościowym cząstek diamentu 50% w warunkach jego nietrwałości termodynamicznej. Do konsolidacji kompozytów stosowano metodę impulsowo-plazmowego spiekania (Pulse Plasma Sintering - PPS). Kompozyty spiekano w temperaturze 900°C w czasie od 5 do 30 min pod ciśnieniem 60 MPa. Prowadzono badania gęstości, składu fazowego i mikrostruktury...
Novel bulk diamond composites with nano size grain and nanocrystalline SiC bonding were sintered under high-pressure, high-temperature condi- tions. Nanostructured SiC matrix resulted in improved fracture toughness of the composites. Samples were prepared by high-energy ball milling and thorough powder mixing. Particular attention was paid to the diamond graphitization process, phase composition and...
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