Approaching carbon nanotube reinforcing limit in b4c matrix composites produced by chemical vapor infiltration

Kaiyuan Li, Yingchao Yang, Zhanjun Gu, Jane Y. Howe, Gyula Eres, Litong Zhang, Xiaodong Li, Zhengwei Pan

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Toughening ceramics has been a long-standing challenge. By chemically infiltrating B4C into aligned carbon nanotubes (CNTs) sheets, we fabricate a novel CNT/B4C composite with a fracture strength approaching the theoretical maximum of B4C matrix. The CNT/B 4C composites simultaneously possess a strongly bonded tube/matrix interface and an amorphous, crack-free B4C matrix. The fracture strength of the CNT/B4C nanowires is about 1-2 orders of magnitude higher than that of the bulk B4C.

Original languageEnglish
Pages (from-to)161-166
Number of pages6
JournalAdvanced Engineering Materials
Volume16
Issue number2
DOIs
StatePublished - Feb 2014

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