Silicon carbide (SiC) based uranium ceramic material can be fabricated as hosts for ultra high temperature applications, such as gas-cooled fast reactor fuels and in-core materials. A pyrolysis-based material processing technique allows for the fabrication of SiC based uranium ceramic materials at a lower temperature compared to sintering route. Modeling of the process is considered important for optimizing the fabrication and producing material with high uniformity. This study presents a process model describing polymer pyrolysis and uranium ceramic material processing, including heat transfer, polymer pyrolysis, SiC crystallization, chemical reactions, and species transport of a porous uranium oxide mixed polymer. Three key reactions for polymer pyrolysis and one key reaction for uranium oxide polymer interaction are established for the processing. Included in the model formulation are the effects of transport processes such as heat-up, polymer decomposition, and volatiles escape. The model is capable of accurately predicting the polymer pyrolysis and chemical reactions of the source material. Processing of a sample with certain geometry is simulated. The effects of heating rate, particle size and volume ratio of uranium oxide and polymer on porosity evolution, species uniformity, reaction rate are investigated.
Skip Nav Destination
14th International Conference on Nuclear Engineering
July 17–20, 2006
Miami, Florida, USA
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
0-7918-4242-8
PROCEEDINGS PAPER
Advanced Process Model for Polymer Pyrolysis and Uranium Ceramic Material Processing
Xiaolin Wang,
Xiaolin Wang
State University of New York at Stony Brook, Stony Brook, NY
Search for other works by this author on:
Suraj C. Zunjarrao,
Suraj C. Zunjarrao
State University of New York at Stony Brook, Stony Brook, NY
Search for other works by this author on:
Hui Zhang,
Hui Zhang
State University of New York at Stony Brook, Stony Brook, NY
Search for other works by this author on:
Raman P. Singh
Raman P. Singh
State University of New York at Stony Brook, Stony Brook, NY
Search for other works by this author on:
Xiaolin Wang
State University of New York at Stony Brook, Stony Brook, NY
Suraj C. Zunjarrao
State University of New York at Stony Brook, Stony Brook, NY
Hui Zhang
State University of New York at Stony Brook, Stony Brook, NY
Raman P. Singh
State University of New York at Stony Brook, Stony Brook, NY
Paper No:
ICONE14-89099, pp. 795-805; 11 pages
Published Online:
September 17, 2008
Citation
Wang, X, Zunjarrao, SC, Zhang, H, & Singh, RP. "Advanced Process Model for Polymer Pyrolysis and Uranium Ceramic Material Processing." Proceedings of the 14th International Conference on Nuclear Engineering. Volume 1: Plant Operations, Maintenance and Life Cycle; Component Reliability and Materials Issues; Codes, Standards, Licensing and Regulatory Issues; Fuel Cycle and High Level Waste Management. Miami, Florida, USA. July 17–20, 2006. pp. 795-805. ASME. https://doi.org/10.1115/ICONE14-89099
Download citation file:
5
Views
0
Citations
Related Proceedings Papers
Related Articles
A Simulation-Based Correlation of the Density and Thermal Conductivity of Objects Produced by Laser Sintering of Polymer Powders
J. Manuf. Sci. Eng (August,2000)
Phase Stability and Sintering Behavior of 10 mol % Sc 2 O 3 – 1 mol % Ce O 2 – Zr O 2 Ceramics
J. Fuel Cell Sci. Technol (May,2009)
Open-Cell Metallic Porous Materials Obtained Through Space Holders—Part I: Production Methods. A Review
J. Manuf. Sci. Eng (May,2017)
Related Chapters
New Generation Reactors
Energy and Power Generation Handbook: Established and Emerging Technologies
Thermoset Materials
Introduction to Plastics Engineering
Scope of Section I, Organization, and Service Limits
Power Boilers: A Guide to the Section I of the ASME Boiler and Pressure Vessel Code, Second Edition