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Influence of sintering temperature on the properties of pulsed electric current sintered hybrid coreshell powders

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Main Authors: Norsuria, Mahmed, Larismaa, Juha, Heczko, Oleg, Cura, M. Erkin, Hannula, Simo-Pekka, Dr.
Other Authors: norsuria@unimap.edu.my
Format: Article
Language:English
Published: Elsevier 2014
Subjects:
Sintering
Silver
Iron oxide
Phase transformation
SiO₂
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/32491
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spelling my.unimap-324912014-03-10T14:02:18Z Influence of sintering temperature on the properties of pulsed electric current sintered hybrid coreshell powders Norsuria, Mahmed Larismaa, Juha Heczko, Oleg Cura, M. Erkin Hannula, Simo-Pekka, Dr. norsuria@unimap.edu.my juha.larismaa@aalto.fi heczko@fzu.cz erkin.cura@aalto.fi simo-pekka.hannula@aalto.fi Sintering Silver Iron oxide Phase transformation SiO₂ Link to publisher's homepage at http://www.elsevier.com/ The influence of pulsed electric current sintering (PECS) temperature on the properties of bulk materials consolidated from three different types of hybrid powders have been studied. These powders consisted of iron oxide–silica coreshell structure, silver doped iron oxide–silica coreshell structure and, silver doped silica. The powders were prepared using a modified Stöber method. The sintering temperature was varied from 873 K up to 1273 K and sintering pressure and time were 50 MPa and 15 min respectively. Porous structures were obtained with relative densities from about 58 to 68%. Sintering temperature induced the growth of silver nanoparticles on the silica surfaces. Oxidation of the iron oxide during the compaction was affected by thermal decomposition of silver oxides. Sintering temperature changed the magnetic properties of iron oxide compacts via crystallite growth and oxide transformation. At temperature higher than 1173 K, iron oxide was reduced into pure iron (α-Fe). 2014-03-10T14:02:18Z 2014-03-10T14:02:18Z 2013-10 Article Journal of the European Ceramic Society, vol.33 (12), 2013, pages 2233-2239 0955-2219 http://dspace.unimap.edu.my:80/dspace/handle/123456789/32491 http://www.sciencedirect.com/science/article/pii/S0955221913000307 http://dx.doi.org/10.1016/j.jeurceramsoc.2012.12.023 en Elsevier
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Sintering
Silver
Iron oxide
Phase transformation
SiO₂
spellingShingle Sintering
Silver
Iron oxide
Phase transformation
SiO₂
Norsuria, Mahmed
Larismaa, Juha
Heczko, Oleg
Cura, M. Erkin
Hannula, Simo-Pekka, Dr.
Influence of sintering temperature on the properties of pulsed electric current sintered hybrid coreshell powders
description Link to publisher's homepage at http://www.elsevier.com/
author2 norsuria@unimap.edu.my
author_facet norsuria@unimap.edu.my
Norsuria, Mahmed
Larismaa, Juha
Heczko, Oleg
Cura, M. Erkin
Hannula, Simo-Pekka, Dr.
format Article
author Norsuria, Mahmed
Larismaa, Juha
Heczko, Oleg
Cura, M. Erkin
Hannula, Simo-Pekka, Dr.
author_sort Norsuria, Mahmed
title Influence of sintering temperature on the properties of pulsed electric current sintered hybrid coreshell powders
title_short Influence of sintering temperature on the properties of pulsed electric current sintered hybrid coreshell powders
title_full Influence of sintering temperature on the properties of pulsed electric current sintered hybrid coreshell powders
title_fullStr Influence of sintering temperature on the properties of pulsed electric current sintered hybrid coreshell powders
title_full_unstemmed Influence of sintering temperature on the properties of pulsed electric current sintered hybrid coreshell powders
title_sort influence of sintering temperature on the properties of pulsed electric current sintered hybrid coreshell powders
publisher Elsevier
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/32491
_version_ 1643796921671745536
score 13.214268

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