Pyrolysis behavior of BlackglasTM composites

J. Annamalai, W. N. Gill, A. Tobin, J. Madsen, Thomas M. Donnellan

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

BlackglasTM composites derived from a preceramic polymer are attractive structural materials that offer the potential for low-cost ceramic matrix composites. Pyrolysis process models are being developed that describe the kinetics of the transformations of the preceramic polycarbosiloxane polymer composite into the silicon oxycarbide glass composite. TGA techniques were used to formulate a lumped parameter reaction rate expression for use in a reaction engineering model of the pyrolysis process. Results for various heating rate programs were analyzed to obtain kinetic parameters, including the order of the dependence of the reaction rate on the polymer infiltration cycles and activation energy. Comparison between the pyrolysis behavior of the composite and neat resin was made.

Original languageEnglish (US)
Pages (from-to)401-410
Number of pages10
JournalCeramic Engineering and Science Proceedings
Volume17
Issue number4
StatePublished - Dec 1 1996
EventProceedings of the 1996 20th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - B - Cocoa Beach, FL, USA
Duration: Jan 7 1996Jan 11 1996

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Polymers
Pyrolysis
Reaction rates
Composite materials
Ceramic matrix composites
Composite Resins
Silicon
Heating rate
Kinetic parameters
Infiltration
Activation energy
Glass
Kinetics
Resins
Costs

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Annamalai, J., Gill, W. N., Tobin, A., Madsen, J., & Donnellan, T. M. (1996). Pyrolysis behavior of BlackglasTM composites. Ceramic Engineering and Science Proceedings, 17(4), 401-410.
Annamalai, J. ; Gill, W. N. ; Tobin, A. ; Madsen, J. ; Donnellan, Thomas M. / Pyrolysis behavior of BlackglasTM composites. In: Ceramic Engineering and Science Proceedings. 1996 ; Vol. 17, No. 4. pp. 401-410.
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Annamalai, J, Gill, WN, Tobin, A, Madsen, J & Donnellan, TM 1996, 'Pyrolysis behavior of BlackglasTM composites', Ceramic Engineering and Science Proceedings, vol. 17, no. 4, pp. 401-410.

Pyrolysis behavior of BlackglasTM composites. / Annamalai, J.; Gill, W. N.; Tobin, A.; Madsen, J.; Donnellan, Thomas M.

In: Ceramic Engineering and Science Proceedings, Vol. 17, No. 4, 01.12.1996, p. 401-410.

Research output: Contribution to journalConference article

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AU - Annamalai, J.

AU - Gill, W. N.

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AU - Madsen, J.

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AB - BlackglasTM composites derived from a preceramic polymer are attractive structural materials that offer the potential for low-cost ceramic matrix composites. Pyrolysis process models are being developed that describe the kinetics of the transformations of the preceramic polycarbosiloxane polymer composite into the silicon oxycarbide glass composite. TGA techniques were used to formulate a lumped parameter reaction rate expression for use in a reaction engineering model of the pyrolysis process. Results for various heating rate programs were analyzed to obtain kinetic parameters, including the order of the dependence of the reaction rate on the polymer infiltration cycles and activation energy. Comparison between the pyrolysis behavior of the composite and neat resin was made.

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Annamalai J, Gill WN, Tobin A, Madsen J, Donnellan TM. Pyrolysis behavior of BlackglasTM composites. Ceramic Engineering and Science Proceedings. 1996 Dec 1;17(4):401-410.