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Sintering of ferritic and austenitic nanopowders using Spark Plasma Sintering

Published online by Cambridge University Press:  30 October 2014

B. Mouawad ,
D. Fabregue ,
M. Perez ,
M. Blat ,
F. Delabrouille ,
C. Domain  and
C. Pokor
B. Mouawad
Affiliation:
Université de Lyon-INSA de Lyon-MATEIS UMR CNRS 5510, 69621 Villeurbanne, France. e-mail: bassem.mouawad@insa-lyon.fr
D. Fabregue
Affiliation:
Université de Lyon-INSA de Lyon-MATEIS UMR CNRS 5510, 69621 Villeurbanne, France. e-mail: bassem.mouawad@insa-lyon.fr
M. Perez
Affiliation:
Université de Lyon-INSA de Lyon-MATEIS UMR CNRS 5510, 69621 Villeurbanne, France. e-mail: bassem.mouawad@insa-lyon.fr
M. Blat
Affiliation:
EDF R&D Dpt. MMC, Les Renardières, 77818 Moret sur Loing, France
F. Delabrouille
Affiliation:
EDF R&D Dpt. MMC, Les Renardières, 77818 Moret sur Loing, France
C. Domain
Affiliation:
EDF R&D Dpt. MMC, Les Renardières, 77818 Moret sur Loing, France
C. Pokor
Affiliation:
EDF R&D Dpt. MMC, Les Renardières, 77818 Moret sur Loing, France
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Abstract

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.

Keywords

316L nanopowder steelsnon-ODS steelsSpark Plasma Sinteringnano-sized microstrucure
Type
Research Article
Information
Metallurgical Research & Technology , Volume 111 , Issue 5 , 2014 , pp. 305 - 310
Copyright
© EDP Sciences 2014

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