Journal of the Ceramic Society of Japan
Online ISSN : 1882-1022
Print ISSN : 0914-5400
ISSN-L : 0914-5400
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Infrared Microscopy as a Powerful Tool for the Examination of Internal Microstructure of Nano-Powder Compact
—— Yittria Stabilized Zirconia as a Model ——
Satoshi TANAKAChia Pin CHIUYasuhisa TOGASHIKeizo UEMATSU
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2004 Volume 112 Issue 1302 Pages 114-116

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Abstract

Infrared (IR) light microscopy with liquid immersion technique was applied to examine the internal structure of granules and green compact of ZrO2 nano-powders, whose refractive index is 2.14. Internal structure could be clearly observed despite the high refractive index by IR microscopy. This high transparency of the compact to IR light was ascribed to an increased ratio between the particle size 0.1 μm and wavelength λ=1.3μm. Granule deformation is directly observed with this method for green bodies compacted under various pressures. IR microscopy combined with the liquid immersion technique is very effective for understanding the internal structure of compacted nano-powders.

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© 2004 The Ceramic Society of Japan
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