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Modeling of the Pressure Distribution in Three‐Dimensional Porous Green Bodies during Binder Removal
Abstract
A model is developed to describe flow in porous media from the thermal decomposition of binder in three‐dimensional bodies with anisotropic permeability. The model is able to describe the pressure within the body as a function of position, time, and temperature during the heating cycle. The results from numerical solution of the un‐steady‐state partial differential equation are compared to those obtained from an analytical solution to the steady‐state equation. Under many conditions that are representative of binder removal, the analytical solution provides a reasonable representation of the numerical solution. A criterion is also developed to determine when the analytical solution is valid. Scaling relationships for the buildup of pressure in terms of the dimensions of the body, the rate of reaction, and the permeability are also derived.
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References 28 · Cited by 24
Research works printed but not linked: 29
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Metadata
- Authors
- Feng, K., & Lombardo, S. J.
- ORCID
- Lombardo, Stephen J.
- Venue
- Journal of the American Ceramic Society
- Publisher
- Wiley
- Published
- 2003-02
- Volume
- 86
- Issue
- 2
- Pages
- 234-240
- ISSN
- 0002-7820 (ISSN-L)
- 1551-2916
- OpenAlex
- W2168657526
- Cited by
- 24
- References
- 28
- Citations by year
- 2025: 1 · 2024: 1 · 2022: 1 · 2021: 1 · 2020: 1 · 2018: 1 · 2016: 1 · 2014: 1 · 2013: 1
- FWCI
- 3.51
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the American Ceramic Society (publishedVersion)
- Topics
- Physical Sciences › Engineering › Computational Mechanics › Heat and Mass Transfer in Porous Media
- Physical Sciences › Materials Science › Ceramics and Composites › Advanced ceramic materials synthesis
- Physical Sciences › Engineering › Mechanical Engineering › Powder Metallurgy Techniques and Materials
- Keywords
- debinding, pressure distribution, porous media flow, thermal decomposition, permeability anisotropy, 3D objects, green body, unsteady heat and mass transfer, scaling laws, ceramic processing
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- Feng, K., & Lombardo, S. J. (2003). Modeling of the Pressure Distribution in Three‐Dimensional Porous Green Bodies during Binder Removal. Journal of the American Ceramic Society. https://doi.org/10.1111/j.1151-2916.2003.tb00005.x
