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Synthesizing higher nitride of molybdenum (Mo) and iron (Fe) in ammonia (NH3) gas stream under irradiation of concentrated solar beam in a solar furnace

2013Journal article Open access
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dc.contributor.authorShohoji, Nobumitsu
dc.contributor.authorOliveira, Fernando Almeida Costa
dc.contributor.authorFernandes, Jorge Cruz
dc.contributor.authorRosa, Luís Guerra
dc.contributor.authorRodriguez, Jose
dc.contributor.authorCañadas, Inmaculada
dc.contributor.authorRamos, Carlos
dc.contributor.authorMagalhães, Teresa
dc.contributor.authorCestari, F.
dc.date.accessioned2014-02-12T16:25:27Z
dc.date.available2014-02-12T16:25:27Z
dc.date.issued2013
dc.description.abstractFlowing gaseous ammonia NH3 with suppressed extent of dissociation (un-cracked NH3) is acknowledged to function as a powerful nitriding medium to realize formation of metal nitride MNx with considerably high N/M ratio x that cannot be achieved through reaction of M with N2 gas. For example, mono-nitride d-MoN of Mo and e-FeNx phase of Fe with x = 0.33 ˜ 0.50 (i. e. hypo-stoichiometric sub-nitride e-Fe2N) were reported to be difficult to prepare in N2 gas environment even at elevated pressure but might be synthesized in flowing NH3 gas at normal pressure when reaction temperature and NH3 gas flow rate were set adequately. In the present work, nitriding experiments for Mo and Fe were carried out in flowing NH3 gas under irradiation with concentrated solar beam. The acquired experimental evidences demonstrated that temperature range for formation of d-MoN was somewhat extended in flowing NH3 gas under heating with concentrated solar beam compared with that under heating in conventional laboratory or industrial electric furnace. On the other hand, no such merit of extending temperature range for formation of e-Fe2N in flowing NH3 gas was detected in the present work under heating with concentrated solar beam.por
dc.identifier.citationShohoji, N.; Oliveira, F.A. Costa; Fernandes, J. Cruz; Rosa, L. Guerra; Rodríguez, J.; Canãdas, I.; Ramos, C.; Magalhães, T.; Cestari, F. Synthesizing higher nitride of molybdenum (Mo) and iron (Fe) in ammonia (NH3) gas stream under irradiation of concentrated solar beam in a solar furnace. In: Materialwissenschaft und Werkstofftechnik, 2013, Vol. 44, nº 12, p. 959-971por
dc.identifier.issn1521-4052
dc.identifier.urihttp://hdl.handle.net/10400.9/2188
dc.language.isoengpor
dc.publisherWILEY-VCH Verlagpor
dc.relation.publisherversionhttp://dx.doi.org/10.1002/mawe.201300163por
dc.subjectSolar furnacepor
dc.subjectAmmonia (NH3)por
dc.subjectNitridepor
dc.subjectMolybdenum (Mo)por
dc.subjectIron (Fe)por
dc.titleSynthesizing higher nitride of molybdenum (Mo) and iron (Fe) in ammonia (NH3) gas stream under irradiation of concentrated solar beam in a solar furnacepor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage971por
oaire.citation.startPage959por
oaire.citation.titleMaterialwissenschaft und Werkstofftechnikpor
oaire.citation.volume44por
person.familyNameOliveira
person.familyNameFernandes
person.familyNameRodriguez
person.familyNameCañadas
person.givenNameFernando
person.givenNameJorge
person.givenNameJose
person.givenNameInmaculada
person.identifier647144
person.identifier.ciencia-id561B-597F-9D55
person.identifier.ciencia-id7B1F-EB22-9FF4
person.identifier.orcid0000-0002-1503-0152
person.identifier.orcid0000-0002-1573-6067
person.identifier.orcid0000-0001-7153-7743
person.identifier.orcid0000-0001-8637-1547
person.identifier.ridA-2312-2011
person.identifier.ridA-5241-2013
person.identifier.scopus-author-id23019925500
person.identifier.scopus-author-id6602405560
person.identifier.scopus-author-id35592804100
person.identifier.scopus-author-id24278417800
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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