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http://dx.doi.org/10.4191/KCERS.2003.40.2.128

Pressureless Infiltration Processing of B4C/Al Composite by Surface Modification  

임경란 (한국과학기술연구원 재료연구부)
강덕일 (한국과학기술연구원 재료연구부)
김창삼 (한국과학기술연구원 재료연구부)
Publication Information
Journal of the Korean Ceramic Society / v.40, no.2, 2003 , pp. 128-131 More about this Journal
Abstract
Formation of$B_4C/Al$composite by pressureless infiltration was investigated by lowering wetting angle via surface modification of $B_4C$powder with alumina precursor. Surface modification was confirmed by zeta potential analysis. The$B_4C/Al$composite was prepared by placing an Al 6061 disk on the$B_4C$preform and heating at $1030{\circ}C$/20 min under a flowing argon, but no infiltration took place for a bare $B_4C$ preform even at$1250{\circ}C$/30 min. Analysis of XRD and SEM showed the $Al_3BC$phase besides$B_4C$and Al, but no trace of deteriorative$A1_4C_3$.
Keywords
${B_4}C/Al$ composite; Pressurless infiltration; surface modification; Alumina sol;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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