Oxidation stabilization of 2D-pan fiber-pitch matrix carbon-carbon composites

Shigeru Takano, Pawel Tlomak, Chien-Ping Ju

Research output: Contribution to journalConference articlepeer-review

Abstract

This study investigates the oxidation stabilization of 2-d PAN fiber-pitch matrix C-C composites. Two types of pitch, isotropic and 80% mesophase, are used as the matrix precursor for the fabrication of C-C composites. Suitable oxidation stabilization treatments were found effective not only in restriction of bloating/delamination of the composites during carbonization, but also in increase in carbon yield. The best stabilization condition was determined to be about 20hrs at 200°C for the Aerocarb 70 preforms, and about 5hrs at 200°C for the 80% mesophase preforms. The stabilized layer was present not only as a surface crust, but also deep in the composite around fiber bundles as well as pores and cracks, due to their easy paths for oxygen penetration.

Original languageEnglish
Pages (from-to)182-183
Number of pages2
JournalExtended Abstracts and Program - Biennial Conference on Carbon
Publication statusPublished - 1991 Jan 1
Event20th Biennial Conference on Carbon - Santa Barbara, CA, USA
Duration: 1991 Jun 231991 Jun 28

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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