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Warping of triple line in the wetting of B 4 C by a Cu‐1 at.% Cr alloy
Author(s) -
Lin Qiaoli,
Shen Ping,
Yang Longlong,
Qiu Feng,
Jiang Qichuan
Publication year - 2011
Publication title -
surface and interface analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.52
H-Index - 90
eISSN - 1096-9918
pISSN - 0142-2421
DOI - 10.1002/sia.3713
Subject(s) - wetting , alloy , sessile drop technique , surface tension , contact angle , graphite , crystallite , image warping , capillary action , line (geometry) , chemistry , drop (telecommunication) , materials science , kinetics , composite material , metallurgy , crystallography , thermodynamics , physics , geometry , mathematics , artificial intelligence , computer science , telecommunications , quantum mechanics
The wetting of polycrystalline B 4 C by a molten Cu‐1 at.% Cr alloy was investigated at 1373 K using a modified sessile drop method. The triple line warped after the contact angle reached a certain degree. The mechanism for this unusual phenomenon was presumably ascribed to the large disparity in the wettability for the liquid on the CrB 2 reaction layer and the precipitated graphite phase, as well as to their formation kinetics, rather than to the capillary flow driven by the surface tension gradient, as observed in the Cu/Si system. Copyright © 2010 John Wiley & Sons, Ltd.