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Study of the interactions between HfB2 and Hi-Nicalon (TM) fiber
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK), Inorganic and Structural Chemistry.
2013 (English)In: Journal of the European Ceramic Society, ISSN 0955-2219, Vol. 33, no 15-16, 2879-2888 p.Article in journal (Refereed) Published
Abstract [en]

This work aims at studying the interactions between Hi-Nicalon SiC fiber and HfB2 in presence of various sintering additive, such as Si3N4 or ZrSi2. Spark plasma sintering was used as suitable technique to interrupt the sintering at intermediate temperatures and thus analyze the microstructure evolution at the various densification stages. SEM investigations enabled to disclose the interaction mechanisms not only among fiber and matrix, but also revealed the curious mechanisms of formation of core-shell structures in HfB2 grains when ZrSi2 was employed.

Place, publisher, year, edition, pages
2013. Vol. 33, no 15-16, 2879-2888 p.
Keyword [en]
HfB2, Fibers, Spark plasma sintering, Microstructure, Densification
National Category
Materials Chemistry Materials Engineering
URN: urn:nbn:se:su:diva-95412DOI: 10.1016/j.jeurceramsoc.2013.07.004ISI: 000324901800003OAI: diva2:660956


Available from: 2013-10-31 Created: 2013-10-28 Last updated: 2013-10-31Bibliographically approved

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Nygren, Mats
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