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    • University of Missouri-Columbia
    • Graduate Studies - Theses and Dissertations (MU)
    • Theses and Dissertations (MU)
    • Dissertations (MU)
    • 2007 Dissertations (MU)
    • 2007 MU dissertations - Freely available online
    • View Item
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    Permeability analysis for thermal binder removal from green ceramic bodies

    Yun, Jeong Woo, 1975-
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    [PDF] research.pdf (7.547Mb)
    Date
    2007
    Format
    Thesis
    Metadata
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    Abstract
    The permeability of unlaminated and laminated green tapes was determined as a function of binder content for binder removed by air oxidation. The tapes are comprised of barium titanate as the dielectric, and polyvinyl butyral and dioctyl phthanlate are the main compoents of the binder mixture. The flow in porous media through the tapes was analyzed in terms of models for describing Knudsen, slip, and Poiseuille flow mechanisms. The characteristic pore size was determined to be 0.5-2 [mu]m, and thus Poiseuille flow was the dominant transport mechanism contributing to the flux. The permeability was then determined from Darcy's law for flow in porous media. The permeability was also determined from micro-structural attributes in terms of the specific surface, the pore fraction, and a term to account for tortuosity and constrictions. The permeability and adhesion strength of laminated green ceramic tapes were determined as a function of lamination conditions of time, temperature, and pressure.
    URI
    https://hdl.handle.net/10355/4806
    https://doi.org/10.32469/10355/4806
    Degree
    Ph. D.
    Thesis Department
    Chemical engineering (MU)
    Collections
    • 2007 MU dissertations - Freely available online
    • Chemical Engineering electronic theses and dissertations (MU)

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