Effect of quasi-carbonization processing parameters on the mechanical properties of quasi-carbon/phenolic composites
- Authors
- Cho, Donghwan; Lee, Jongmoon
- Issue Date
- 5-Mar-2008
- Publisher
- JOHN WILEY & SONS INC
- Keywords
- composites; fibers; mechanical properties; high temperature materials; processing
- Citation
- JOURNAL OF APPLIED POLYMER SCIENCE, v.107, no.5, pp 3350 - 3357
- Pages
- 8
- Journal Title
- JOURNAL OF APPLIED POLYMER SCIENCE
- Volume
- 107
- Number
- 5
- Start Page
- 3350
- End Page
- 3357
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/26825
- DOI
- 10.1002/app.27413
- ISSN
- 0021-8995
1097-4628
- Abstract
- In this work, quasi-carbon fabrics were produced by quasi-carbonization processes conducted at and below 1200 degrees C. Stabilized polyacrylonitrile (PAN) fabrics and quasi-carbon fabrics were used as reinforcements of phenolic composites with a 50 wt %/50 wt % ratio of the fabric to the phenolic resin. The effect of the quasi-carbonization process on the flexural properties, interfacial strength, and dynamic mechanical properties of quasicarbon/phenolic composites was investigated in terms of the flexural strength and modulus, interlaminar shear strength, and storage modulus. The results were also compared with those of a stabilized PAN fabric/phenolic composite. The flexural, interlaminar, and dynamic mechanical results were quite consistent with one another. On the basis of all the results, the quasi-static and dynamic mechanical properties of quasi-carbon/phenolic composites increased with the applied external tension and heat-treatment temperature increasing and with the heating rate decreasing for the quasi-carbonization process. This study shows that control of the processing parameters strongly influences not only the mechanical properties of quasi-carbon/phenolic composites but also the interlaminar shear strength between the fibers and the matrix resin. (c) 2007 Wiley Periodicals, Inc.
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