Anisotropy of wetting of molten Au on differently oriented α-Al2O3 single crystals

Anisotropy of wetting of molten Au on differently oriented α-Al2O3 single crystals

Wetting of molten Au (rMax = 33-226 mum) on three differently oriented alpha-Al2O3 single crystals, R(0012), A(1120) and C(0001), is studied by the microscopic sessile drop method under an Ar atmosphere at 1373 K. The contact angle differences for the three differently oriented alpha-Al2O3 single cr...

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Veröffentlicht in:Scripta materialia 2006-04, Vol.54 (7), p.1369-1373
Hauptverfasser: LEE, Joonho, ISHIMURA, Hiromichi, TANAKA, Toshihiro
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Exact sciences and technology
Metals. Metallurgy
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Zusammenfassung:Wetting of molten Au (rMax = 33-226 mum) on three differently oriented alpha-Al2O3 single crystals, R(0012), A(1120) and C(0001), is studied by the microscopic sessile drop method under an Ar atmosphere at 1373 K. The contact angle differences for the three differently oriented alpha-Al2O3 single crystals are less than 4 deg , corresponding to changes in the work of adhesion of less than 55 mJ/m2.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2005.12.006