WETTABILITY OF PYROLYTIC BORON-NITRIDE BY ALUMINUM

被引：13
|
作者：
CHIARAMONTE, FP
ROSENTHAL, BN
机构：
[1] National Aeronautics and Space Administration, Lewis Research Center, Cleveland, Ohio
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1991年 / 74卷 / 03期
关键词：
aluminum; boron nitride; gravity; vacuum; wetting;
D O I：
10.1111/j.1151-2916.1991.tb04077.x
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The wetting of pyrolytic boron nitride by molten 99.9999% pure aluminum was investigated by using the sessile drop method in a vacuum operating at approximately 660-mu-Pa at temperatures ranging from 700-degrees to 1000-degrees-C. The equilibrium contact angle decreased with an increase in temperature. For temperatures at 900-degrees-C or less the equilibrium contact angle was greater than 90-degrees. At 1000-degrees-C a nonwetting-towetting transition occurred and the contact angle stabilized at 49-degrees.
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页码：658 / 661
页数：4
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