Sintering of ferritic and austenitic nanopowders using Spark Plasma Sintering

This study aims at presenting a way to obtain nanostructured materials. Austenitic stainless steel (316L) nanopowders and ferritic/martensitic alloy steels (Fe14Cr) are sintered with the Spark Plasma Sintering (SPS) technique. This technique leads to a fully dense/nano-sized microstructure material...

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Veröffentlicht in:	Metallurgical research & technology 2014-01, Vol.111 (5), p.305-310
Hauptverfasser:	Mouawad, B., Fabregue, D., Perez, M., Blat, M., Delabrouille, F., Domain, C., Pokor, C.
Format:	Artikel
Sprache:	eng
Schlagworte:	316L nanopowder steels Austenitic stainless steels Engineering Sciences Ferritic stainless steels Ferrous alloys Heat resistant steels Martensitic stainless steels Materials Microstructure nano-sized microstrucure Nanostructure non-ODS steels Optimization Sintering Spark Plasma Sintering Vickers hardness
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Beschreibung
Zusammenfassung:	This study aims at presenting a way to obtain nanostructured materials. Austenitic stainless steel (316L) nanopowders and ferritic/martensitic alloy steels (Fe14Cr) are sintered with the Spark Plasma Sintering (SPS) technique. This technique leads to a fully dense/nano-sized microstructure material after a short treatment. The optimal sintering temperature was found to be 850°C for both materials. The relationship between the Vickers Hardness and scale of the microstructure is in good agreement with the Hall-Petch Law.
ISSN:	2271-3646 0035-1563 2271-3654 1156-3141
DOI:	10.1051/metal/2014041