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Proceedings Paper

Analysis of organic binder distribution in spray-dried granules by ultrasonic-atomic force microscopy
Author(s): Lili Jia; Michael Mandanas; Chiaki Miyasaka; Bernhard R. Tittmann; Gary L. Messing
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Paper Abstract

In this paper, ultrasonic-atomic force microscopy was applied for obtaining qualitative and quantitative information of binder distribution in spray dried ceramic slurries. Embedded granules were mounted on the surface of a transducer generating acoustic waves, 0 to 500KHz. These samples were vibrated at their resonant frequency while surfaces were scanned with a cantilever. Thus, both hardness and topography images were collected simultaneously. Since the contrast of the two materials is related to hardness, the distribution of binder and ceramic can be found immediately from the hardness images. By modeling the cantilever with its deflection vibration, the quantitative modulus of the binder and ceramic mixture was acquired while the sample and cantilever were vibrated at their resonance frequency. From the calibration with an Al22O3 sample, those measurement were reconfirmed.

Paper Details

Date Published: 8 February 1999
PDF: 12 pages
Proc. SPIE 3585, Nondestructive Evaluation of Aging Materials and Composites III, (8 February 1999); doi: 10.1117/12.339858
Show Author Affiliations
Lili Jia, The Pennsylvania State Univ. (United States)
Michael Mandanas, The Pennsylvania State Univ. (United States)
Chiaki Miyasaka, The Pennsylvania State Univ. (United States)
Bernhard R. Tittmann, The Pennsylvania State Univ. (United States)
Gary L. Messing, The Pennsylvania State Univ. (United States)


Published in SPIE Proceedings Vol. 3585:
Nondestructive Evaluation of Aging Materials and Composites III
George Y. Baaklini; Carol A. Nove; Eric S. Boltz, Editor(s)

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