4.7 Article

Pressureless sintering and physical properties of ZrB2-based composites with ZrSi2 additive

Journal

SCRIPTA MATERIALIA
Volume 58, Issue 7, Pages 579-582

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2007.11.019

Keywords

zirconium diboride; zirconium disilicide; pressureless sintering; thermal conductivity; electrical conductivity

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Fully dense ZrB2-based composites with ZrSi2 additive were pressureless-sintered at 1650 degrees C. The thermal and electrical conductivities of the resulting composites were examined. The effects of ZrSi2 amount on the sinterability and the conductivities of the composites were assessed. The thermal conductivities observed for all of compositions were in the range 74.16-107.16 W (m K)(-1). The electrical conductivities observed for all of compositions were in the range 0.96 x 10(5)-1.19 x 10(5) (Omega cm)(-1). (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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