Wetting of (0001) α-Al2O3 single crystals by molten Al

被引：64
|
作者：
Shen, P [1 ]
Fujii, H [1 ]
Matsumoto, T [1 ]
Nogi, K [1 ]
机构：
[1] Osaka Univ, Joining & Welding Res Inst, Ibaraki, Osaka 5670047, Japan
来源：
SCRIPTA MATERIALIA | 2003年 / 48卷 / 06期
关键词：
wetting; Al; surface structural reconstruction; interface;
D O I：
10.1016/S1359-6462(02)00518-3
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The wetting behavior of (0 0 0 1) alpha-Al-2 O-3 by molten Al was studied over a wide temperature range between 700 and 1500 degreesC. The increase in the contact angle with time at temperatures lower than 1200 degreesC is attributed to the surface structural reconstruction of the (0 0 0 1) alpha-Al2O3. High-temperature annealing of the substrate does not have a significant influence on the wettability. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
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页码：779 / 784
页数：6
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