Abstract
In the polymer impregnation and pyrolysis (PIP) process for the fabrication of SiCf/SiC composite, the curing process should be included to increase the conversion yields. During the curing process, unintended oxygen is introduced. Control of this oxygen is very important to obtain composites with a good high temperature stability. Using the electron beam curing process with full doses of 2~10 MGy and the pyrolysis process at 1300~1500oC, composites with an oxygen contents of less than 1 wt% could be obtained.
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