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Liquid phases tailored for introducing oxidation-sensitive elements through the master alloy route

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dc.affiliation.dptoUC3M. Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Químicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Tecnología de Polvoses
dc.affiliation.institutoUC3M. Instituto Tecnológico de Química y Materiales Álvaro Alonso Barbaes
dc.contributor.authorOro Calderón, Raquel de
dc.contributor.authorBernardo Quejido, Elena
dc.contributor.authorCampos Gómez, Mónica
dc.contributor.authorGierl-Mayer, Christian
dc.contributor.authorDanninger, Herbert
dc.contributor.authorTorralba Castelló, José Manuel
dc.contributor.funderEuropean Commissionen
dc.date.accessioned2023-11-29T08:43:35Z
dc.date.available2023-11-29T08:43:35Z
dc.date.issued2016-04-01
dc.description.abstractIntroducing alloying elements through Master Alloy (MA) additions provides the unique opportunity of designing their composition to enhance sintering by forming a liquid phase. However, working with liquid phases poses important challenges like maintaining a proper dimensional control and minimizing the effect of secondary porosity on the final performance of the steel. The critical parameters for designing low melting point compositions are analyzed in this work by combining the use of thermodynamic software tools, wetting angle/infiltration experiments, and advanced thermal analysis techniques. Due to their low ability to dissolve iron, Cu-based liquids present remarkable infiltration properties that provide homogeneous distribution of the alloying elements. Dissolutive liquids, on the other hand, tend to render more heterogeneous microstructures, rapidly solidifying in contact with the matrix. As a consequence of their lower infiltration capacity, dimensional changes upon liquid formation are significantly lowered. When using master alloys with high content in oxidation-sensitive alloying elements, the differences in oxygen affinity cause an oxygen transfer from the surface of the iron base particles to the surface of the master alloys. The change in the surface chemistry modifies the wetting capability of the liquid, and the dimensional stability becomes increasingly sensitive to the processing atmosphere.en
dc.description.sponsorshipThis work has been carried out under the frame of a Marie Curie Intra-European Fellowship program for Career Development (Grant agreement PIEF-GA-2013-625556). The support from the European Research Commission through the People work program FP7-PEOPLE-2013-IEF is very gratefully acknowledged. Part of the work was performed within the frame of the International Project Höganäs Chair in PM, in the IV and V editions. The financial and logistic support given by Höganäs AB Sweden as well as fruitful discussions with all the members of the project is gratefully acknowledged. The authors also wish to thank Dr. Capdevila, for his help with dilatometry studies. The authors would like to thank Taylor & Francis (www.tandfonline.com) for their permission to reproduce some content from the article "Tailoring master alloys for liquid phase sintering: Effect of introducing oxidation-sensitive elements" published in Powder Metallurgy (http://www.tandfonline.com/doi/full/10.1080/00325899.2016.1148897).en
dc.format.extent13es
dc.identifier.bibliographicCitationOro, R., Bernardo, E., Campos, M., Gierl–Mayer, C., Danninger, H., & Torralba, J. M. (2016). Liquid phases tailored for introducing Oxidation-Sensitive elements through the master alloy route. Funtai oyobi fummatsu yakin, Journal of the Japan Society of Powder and Powder Metallurgy, 63(4), 172-184.en
dc.identifier.doihttps://doi.org/10.2497/jjspm.63.172
dc.identifier.issn0532-8799
dc.identifier.publicationfirstpage172es
dc.identifier.publicationissue4es
dc.identifier.publicationlastpage184es
dc.identifier.publicationtitleFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgyen
dc.identifier.publicationvolume63es
dc.identifier.urihttps://hdl.handle.net/10016/38986
dc.identifier.uxxiAR/0000019911
dc.language.isoenges
dc.publisherJapan Society of Powder and Powder Metallurgyen
dc.relation.projectIDinfo:eurepo/grantAgreement/PIEF-GA-2013-625556es
dc.rights© 2016 by Japan Society of Powder and Powder Metallurgyen
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.ecienciaIngeniería Industriales
dc.subject.ecienciaMaterialeses
dc.subject.ecienciaQuímicaes
dc.subject.otherMaster alloysen
dc.subject.otherLiquid phase sinteringen
dc.subject.otherOxygen-sensitive alloying elementsen
dc.subject.otherDimensional stabilityen
dc.subject.otherWetting/infiltrationen
dc.titleLiquid phases tailored for introducing oxidation-sensitive elements through the master alloy routeen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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