CHARACTERIZATION AND ANALYSIS OF PMR-15 POLYIMIDE MATRICES FOR HIGH TEMPERATURE COMPOSITES.

E. M. Woo, J. C. Seferis, P. R. Lopez, L. B. Ilcewicz

研究成果: Conference contribution

4 引文 斯高帕斯(Scopus)

摘要

Neat polyimide matrix (PMR-15) film samples were prepared by two methods: press-forming and autoclave-forming. For each method, three different cure cycles, denoted by the highest temperatures during cure (288 degree C, 306 degree C and 329 degree C), were investigated. The curing mechanism was investigated with thermoanalytical techniques (pressure differential scanning calorimetry and thermogravimetric analysis). Possible structural differences in the samples were correlated to the processing variables and related to the results from dynamic mechanical analysis (DMA). The DMA results showed that the films produced by the three cure cycles either in the press or in the autoclave were quite identical. For the three cure cycles investigated, it was observed that post-curing had the strongest effect on the low temperature cured samples (288 degree C and 306 degree C cured samples); while the cure temperature was proportionally related to the resulting sample Tg and stress-free temperature.

原文English
主出版物標題Int SAMPE Symp Exhib
編輯Toshinori Takagi
發行者SAMPE
頁面1073-1083
頁數11
ISBN(列印)0938994344
出版狀態Published - 1987

出版系列

名字Int SAMPE Symp Exhib
32
ISSN(列印)0891-0138

All Science Journal Classification (ASJC) codes

  • 材料科學(全部)
  • 材料力學
  • 機械工業

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