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dc.contributor.authorCias, A.*
dc.contributor.authorMitchell, Stephen C.*
dc.date.accessioned2008-11-14T09:52:45Z
dc.date.available2008-11-14T09:52:45Z
dc.date.issued2005
dc.identifier.citationCias, A. and Mitchell, S.C. (2005). Processing and Ductile-Brittle Transitions in PM Manganese Steels. Powder Metallurgy Progress. Vol. 5, No. 2, pp. 82-91.en
dc.identifier.urihttp://hdl.handle.net/10454/892
dc.descriptionYesen
dc.description.abstractBrittleness in manganese steels can be associated with processing in a "wet¿ [micro]climate resulting in the formation of continuous oxide networks. The formation of these networks can be prevented by sintering in an atmosphere, also ¿local¿ in a semiclosed container, adhering to the Ellingham-Richardson oxide reduction criteria. When this requirement is satisfied, however, further types of ductile ¿ brittle transitions are observed. Rapid cooling, typically above 40°C/min, produces enough martensite to render Fe-(3-4)Mn-(0·6-0·7)C material macroscopically brittle. Quenched and conventionally tempered structures remain brittle. It is tentatively suggested that segregation of minor alloying/tramp element(s), as in cast materials, is responsible for this temper embrittlement. To overcome it, heat treatment at a temperature no higher than 200°C, recovery/stress relief, is recommended.en
dc.language.isoenen
dc.rights© 2005 IMR SAS. Reproduced in accordance with the publisher's self-archiving policy.en
dc.subjectPM Processingen
dc.subjectTemper Embrittlementen
dc.subjectManganese Steelsen
dc.subjectTramp Elementen
dc.subjectHeat Treatmenten
dc.subjectDuctilityen
dc.subjectOxygen Segregationen
dc.titleProcessing and Ductile-Brittle Transitions in PM Manganese Steelsen
dc.status.refereedYesen
dc.typeArticleen
refterms.dateFOA2018-07-18T02:14:49Z


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