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Title: Cold compaction of ODS 9Cr martensitic steel powder synthesized by mechanical alloying
Authors: Kavithaa, T S
Subramanian, R
Angelo, P C
Keywords: T S Kavithaa;R Subramanian;Angelo;P C
Issue Date: Apr-2011
Publisher: NISCAIR-CSIR, India
Abstract: Oxide dispersion strengthened (ODS) steels are advanced class of nanoscale composite materials whose microstructure can be controlled through incorporation of oxide particles by mechanical alloying (MA). This paper deals with the methodologies attempted for cold compaction followed by subsequent sintering of ODS steel of composition Fe-9.2Cr-2W-0.2Ti-0.28V-0.01Mn-0.01Si-0.152C-0.02Ni-0.008Mo-0.33Y2Osynthesized via mechanical alloying of elemental powders. Microstructural studies of the compacted and vacuum sintered specimens after solutionizing heat treatment are reported. As-cold compacted specimens had a green density of 82% TD. Hardness of the heat treated samples is also reported.
Page(s): 119-124
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.18(2) [April 2011]

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