以化学气相沉积碳为界面层, 聚碳硅烷为先驱体, 经过10个周期的浸渍-裂解制备了三维编织碳纤维增强碳化硅复合材料(3D-Cf/SiC).考察了碳涂层高温预处理和陶瓷先驱体第一个周期1600 ℃裂解对复合材料结构与性能的影响.结果表明: 碳涂层高温预处理有助于复合材料密度的提高, 弱化了复合材料的界面结合, 从而显著提高了复合材料的力学性能, 复合材料弯曲强度达到571 MPa, 剪切强度51 MPa, 断裂韧性18 MPa*m1/2.
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