Effects of reductant type on the combustion synthesis of NiB

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dc.contributor.authorOdabaş, Ömür Can
dc.contributor.authorBuğdaycı, Mehmet
dc.contributor.authorKan, Selçuk
dc.contributor.authorTuran, Ahmet
dc.contributor.authorYücel, Onuralp
dc.date.accessioned2021-03-19T10:46:41Z
dc.date.available2021-03-19T10:46:41Z
dc.date.issued2021
dc.departmentİstanbul Medipol Üniversitesi, İMÜ Meslek Yüksekokulu, İnşaat Teknolojisi Ana Bilim Dalı
dc.description.abstractNi-B intermetallic alloys are important filler materials which are used in brazing applications. Carbothermic and aluminothermic synthesis routes are main methods to produce NiB. Carbothermic synthesis is carried out in electric arc furnaces and consumes high amount of energy whereas aluminothermic synthesis mainly uses its own reaction energy. Thus, via aluminothermic synthesis, the consumption of energy drops. Aluminothermic synthesis is a sub-group of combustion synthesis methods and, its name is based on the Al which is used as reductant in reactions. In the present study, aluminothermic synthesis conditions of NiB (mainly containing 15% B by wt.) were investigated for increasing B2O3 stoichiometry in reactants. Moreover, some experiments were conducted to understand the magnesiothermic synthesis conditions, as an alternative reductant. Results were compared to each other and to thermochemical simulations which were carried out by using HSC Chemistry 6.12 and FactSage 7.1 softwares. Chemical analysis, SEM-EDS and XRD were the main techniques to characterize raw materials and the products. Increasing B2O3 stoichiometry and the use of the Mg as reductant positively affected the chemical content of obtained NiB phases although metal recovery yields were lower for magnesiothermic experiments than that of aluminothermic experiments. For instance, in the magnesiothermic experiment carried out with 100% B2O3 stoichiometry, the obtained metallic fraction consisted of 84.2% Ni, 15.1% B and 0.1% Mg.
dc.identifier.citationOdabaş, Ö. C., Buğdaycı, M., Kan, S., Turan, A. ve Yücel, O. (2021). Effects of reductant type on the combustion synthesis of NiB. Solid State Sciences, 111. https://dx.doi.org/10.1016/j.solidstatesciences.2020.106447
dc.identifier.doi10.1016/j.solidstatesciences.2020.106447
dc.identifier.issn1293-2558
dc.identifier.issn1873-3085
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://dx.doi.org/10.1016/j.solidstatesciences.2020.106447
dc.identifier.urihttps://hdl.handle.net/20.500.12511/6639
dc.identifier.volume111
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofSolid State Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectCombustion Synthesis
dc.subjectNickel Boron
dc.subjectThermochemical Simulation
dc.titleEffects of reductant type on the combustion synthesis of NiB
dc.typeArticle

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