| 先驱体浸渍裂解结合化学气相渗透工艺下二维半和三维织构SiC/SiC复合材料的结构与性能 |
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| 引用本文： | 赵爽,杨自春,周新贵.先驱体浸渍裂解结合化学气相渗透工艺下二维半和三维织构SiC/SiC复合材料的结构与性能[J].材料导报,2018,32(16):2715-2718. |
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| 作者姓名： | 赵爽 杨自春 周新贵 |
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| 作者单位： | 海军工程大学舰船高温结构复合材料研究室;国防科技大学新型陶瓷纤维及其复合材料国家重点实验室 |
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| 基金项目： | 国家自然科学基金(51372274);海军工程大学科研发展基金(20160135；425317K153) |
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| 摘 要： | 通过先驱体浸渍裂解工艺结合化学气相渗透工艺(PIP+CVI)制备了二维半(2.5D)和三维(3D)编织结构的碳化硅纤维增强碳化硅基(SiC/SiC)复合材料,对两者的密度、热导率、力学性能以及微观结构等进行了测试分析。结果表明,PIP+CVI工艺制备的SiC/SiC复合材料具有较低的密度(1.98~2.43g·cm-3)和热导率(0.85~2.08 W·m~(-1)·K~(-1)),初期CVI纤维涂层能够提高纤维-基体界面剪切强度(~141.0 MPa),从而提高SiC/SiC复合材料的力学性能,后期CVI整体涂层明显提高了2.5DSiC/SiC复合材料的密度、热导率和力学性能,对3DSiC/SiC复合材料性能的影响不明显。
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| 关 键 词： | 先驱体浸渍裂解(PIP) 化学气相渗透(CVI) 编织结构 碳化硅纤维增强碳化硅基(SiC/SiC)复合材料 致密度 热导率 力学性能 |
SiC/SiC Composites Produced by the Combinational Process of Polymer Impregnation & Pyrolysis and Chemical Vapor Infiltration:a Comparative Microstructure and Properties Study upon 2.5D and 3D Braiding Structures |
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| ZHAO Shuang,YANG Zichun and ZHOU Xingui.SiC/SiC Composites Produced by the Combinational Process of Polymer Impregnation & Pyrolysis and Chemical Vapor Infiltration:a Comparative Microstructure and Properties Study upon 2.5D and 3D Braiding Structures[J].Materials Review,2018,32(16):2715-2718. |
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| Authors: | ZHAO Shuang YANG Zichun and ZHOU Xingui |
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| Affiliation: | Institution of High-temperature Structural Composites for Ship, Naval University of Engineering, Wuhan 430033,Institution of High-temperature Structural Composites for Ship, Naval University of Engineering, Wuhan 430033 and Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, National University of Defense Technology, Changsha 410073 |
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| Abstract: | |
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| Keywords: | polymer impregnation and pyrolysis (PIP) chemical vapor infiltration (CVI) braiding structure SiC-fiber-reinforced SiC matrix (SiC/SiC) composite density thermal conductivity mechanical property |
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