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"Anomalous particles (granules) in PREP-powders. A multiscale study of the PREP-powders and PM HIP compacts of the Ni-based superalloys and stainless steels"

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dc.contributor.authorShulga, A. V.
dc.contributor.authorШульга, Андрей Васильевич
dc.date.accessioned2024-11-27T17:25:56Z
dc.date.available2024-11-27T17:25:56Z
dc.date.issued2020
dc.description.abstract© European Powder Metallurgy Association (EPMA)Formation of the anomalous particles (granules) with the essentially different content of the microalloying interstitial elements carbon and boron is characterized for the composition uniformity of the rapidly quenched powder particles of the high temperature Ni-based superalloys and stainless steels produced by PREP-technique. A detailed multiscale experimental study of microstructure of the PREP-powders and PM HIP compacts of the Ni-based superalloys and stainless steels was performed with the aim to reveal the microstructure features of the anomalous granules in the as-received and consolidated state. The direct nuclear methods of activation autoradiography on carbon, track autoradiography on boron, metallography, SEM, EDX, and OIM were used. The essential effect of carbon and boron on the dendrite segregation of carbide- and boride-forming alloying elements in the anomalous granules was revealed. Features of carbon and boron behavior determine formation of the microstructure of anomalous granules and their retaining in PM HIP compacts were established.
dc.identifier.citationShulga, A. V. "Anomalous particles (granules) in PREP-powders. A multiscale study of the PREP-powders and PM HIP compacts of the Ni-based superalloys and stainless steels" / Shulga, A.V. // Proceedings - Euro PM2020 Congress and Exhibition. - 2020
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85125037602&origin=resultslist
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23257
dc.relation.ispartofProceedings - Euro PM2020 Congress and Exhibition
dc.title"Anomalous particles (granules) in PREP-powders. A multiscale study of the PREP-powders and PM HIP compacts of the Ni-based superalloys and stainless steels"
dc.typeConference Paper
dspace.entity.typePublication
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