Interface interaction in the (B4C + TiB2)/Cu system

M. Aizenshtein, N. Frage, N. Froumin, E. Shapiro-Tsoref, M. P. Dariel

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Interface phenomena in the TiB2/(Cu-B) and (B4C + TiB2)/(Cu-B) systems were investigated in order to determine conditions for cermet preparation by free infiltration. The wetting behavior of the two-phase ceramic substrate may be accounted for as a superposition of behavior patterns characteristic of the two ceramic phases. The relatively low wetting angles of the liquid Cu on the titanium diboride substrate is attributed to a minor departure of the ceramic phase composition from stoichiometry. Copper alloyed with above 8 at.% B yields contact angles less than 20° sufficient for fabrication of cermets based on the two-phase ceramic by free infiltration. The enhanced wetting and the absence of a new phase formation were confirmed by SEM and TEM analysis of the infiltrated cermets.

Original languageEnglish
Pages (from-to)5185-5189
Number of pages5
JournalJournal of Materials Science
Volume41
Issue number16
DOIs
StatePublished - 1 Aug 2006

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