کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1449438 988704 2007 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Reactive vs non-reactive wetting of ZrB2 by azeotropic Au–Ni
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
Reactive vs non-reactive wetting of ZrB2 by azeotropic Au–Ni
چکیده انگلیسی

The equilibrium contact angles and spreading kinetics of Au–Ni droplets of azeotropic composition on ZrB2 substrates were measured by the dispensed drop technique in high vacuum. Experiments were performed at two temperatures, 980 and 1170 °C, leading to different interfacial reactivities, namely, simple substrate dissolution (1170 °C) and compound formation at the interface (980 °C). The contact angle of Au–Ni on unreacted ZrB2 is evaluated and related to the type of bonding established at metal/metal-like ceramic interfaces. The experimental results on reactive wetting are compared with predictions of two different approaches proposed recently in order to explain the thermodynamics and kinetics of this type of wetting.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Acta Materialia - Volume 55, Issue 18, October 2007, Pages 6316–6321
نویسندگان
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