The influence of nickel coating on the wettability of aluminum on ceramics

被引：131
作者：
León, CA
Drew, RAL
机构：
[1] McGill Univ, Dept Min Met & Mat Engn, Montreal, PQ H3A 2B2, Canada
[2] Univ Michoacana, Inst Invest Met, Morelia 58000, Michoacan, Mexico
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2002年 / 33卷 / 10期
关键词：
wettability; interface/interphase; electron microscopy; surface treatments;
D O I：
10.1016/S1359-835X(02)00161-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The wetting behavior and interfacial phenomena of plain and nickel-coated alumina and silicon carbide ceramics with liquid aluminum at 800 degreesC was investigated. The coatings applied to the ceramic plates improved wettability with aluminum resulting from the dissolution of the coating in the liquid drop. The non-wetting condition of the as received ceramics was overcome to contact angles of 12.2degrees for Ni-coated SiC and 11.6degrees for Ni-coated Al2O3. With the addition of nickel as a coating, there was no dissolution of SiC in the alloy, and interfacial carbide did not appear. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1429 / 1432
页数：4
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