A Study of the Platinum/Alumina Interface

Abstract:

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Single crystal sapphire in one of four orientations (0001), (11 2 0), (1102) and (1010) was bonded to polycrystalline platinum foil at 1330oC under light load 20 N (0.8 MPa) in argon. The different orientations were used as a means to model individual grains within a polycrystal without the uncertain influence of grain boundaries and glass-forming contamination (e.g. SiO2). Partial bonding was observed in all cases. Optical microscopy, scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS) were used to study the nature of the bond which appears to be physical rather than chemical, in agreement with previous work.

Info:

Periodical:

Edited by:

P. VINCENZINI

Pages:

1417-1422

DOI:

10.4028/www.scientific.net/AST.45.1417

Citation:

K. P. Suppel et al., "A Study of the Platinum/Alumina Interface", Advances in Science and Technology, Vol. 45, pp. 1417-1422, 2006

Online since:

October 2006

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$35.00

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