基于固体聚硅氧烷的前驱体浸渍裂解法(PIP)制备C/SiOC复合材料及其微结构与力学性能研究

吴青青,王震,丁奇,倪德伟,阚艳梅,董绍明

C/SiOC Composites by a Modified PIP Using Solid Polysiloxane: Fabrication, Microstructure and Mechanical Properties

WU Qing-Qing,WANG Zhen,DING Qi,NI De-Wei,KAN Yan-Mei,DONG Shao-Ming

Table 1 The ceramic yield and the element composition for MK resin with different CLA contents pyrolized at 1000 ℃

CLA content/wt%	Ceramic yield/wt%	Si/wt%	O/wt%	C/wt%	Empirical formula	Free C/wt%
0	83.7	53.17	33.96	12.87	0.56SiO₂·0.44SiC+0.12C_free	2.82
0.01	85.1	53.13	33.89	12.98	0.56SiO₂·0.44SiC+0.13C_free	2.92
0.05	85.7	53.89	33.05	13.06	0.54SiO₂·0.46SiC+0.10C_free	2.36
0.1	84.7	54.46	33.15	13.39	0.54SiO₂·0.46SiC+0.13C_free	2.91
0.5	84.1	54.74	31.54	13.72	0.50SiO₂·0.50SiC+0.09C_free	2.09
1	82.9	53.86	32.57	13.57	0.53SiO₂·0.47SiC+0.12C_free	2.70