4.7 Article

Effect of carbon nanotubes on the properties of ZrB2-SiC ceramics

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2007.11.027

Keywords

ZrB2-SiC; carbon nanombes (CNTs); mechanical properties; thermal conductivity

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ZrB2-20 vol%SiC ceramics without and with additive of 2 wt% carbon nanotubes (CNTs) were fabricated by hot-pressing at 1900 degrees C for 1 h under 30 MPa using ZrB2, SiC and CNTs as starting materials. The fracture toughness increased about 15%, but hardness, flexural strength as well as thermal conductivity did not vary significantly from the addition of CNTs. (c) 2007 Elsevier B.V. All rights reserved.

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