Pinning-depinning behavior in the wetting of (0001) α-Al2O3 single crystal by molten Mg

被引：10
|
作者：
Shi, Laixin [1 ]
Shen, Ping [1 ]
Zhang, Dan [1 ]
Jiang, Qichuan [1 ]
机构：
[1] Jilin Univ, Dept Mat Sci & Engn, Minist Educ, Key Lab Automobile Mat, Changchun 130025, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2011年 / 257卷 / 24期
基金：
中国国家自然科学基金;
关键词：
Wetting; Magnesium; Pinning-depinning; Modeling; CONTACT-ANGLE; WETTABILITY; ALUMINUM;
D O I：
10.1016/j.apsusc.2011.07.090
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Wetting of (0 0 0 1) alpha-Al2O3 single crystal by molten Mg was studied by an improved sessile drop method in a purified flowing Ar atmosphere. A distinct pinning-depinning behavior was observed during the evaporation-coupled wetting process. The underlying mechanism for this behavior was expatiated from the viewpoints of energetics and geometries at the triple junction. (C) 2011 Elsevier B. V. All rights reserved.
引用
收藏
页码：10743 / 10747
页数：5
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