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Synthesis of a TiCN – SiC polyhedron and elongated crystals nanopowder at low nitrogen concentration
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mathematical Science.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.ORCID iD: 0000-0003-4582-0902
Instituto de Ciencia de Materiales de Sevilla, Código del Centro.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
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2012 (English)In: Materials letters (General ed.), ISSN 0167-577X, E-ISSN 1873-4979, Vol. 81, p. 148-150Article in journal (Refereed) Published
Abstract [en]

At room temperature diluted TiCl4 and CCl4 were reduced by sodium particles and mixed with a polycarbomethylsilane (PCS) solution to yield a precursor. It was dried and subsequently annealed at 1300 °C, 1400 °C and 1450 °C in a tube furnace using argon with 10 ppm N2. After the 1450 °C annealing a nanocrystalline powder of TiC0.5 N0.5–SiC polyhedron and elongated crystals was obtained. At the low nitrogen concentration during annealing a gradual nitration is proposed. It is promoted by carbon gaseous species, precursor oxidation, a sufficient temperature and a summarised nitrogen surplus compared to the titanium and carbon amount.

Place, publisher, year, edition, pages
2012. Vol. 81, p. 148-150
National Category
Chemical Process Engineering Other Materials Engineering
Research subject
Chemical Technology; Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-12451DOI: 10.1016/j.matlet.2012.04.071ISI: 000307483300042Scopus ID: 2-s2.0-84862175981Local ID: b9adac5a-9bdd-45e9-8b63-8dfea17b4868OAI: oai:DiVA.org:ltu-12451DiVA, id: diva2:985402
Note
Validerad; 2012; 20120424 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Engström, AndreasMouzon, JohanneTegman, RagnarAntti, Marta-Lena

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