
Carbon Fibre Reinforced Silicon Carbide Composites (C/SiC, C/C-SiC)
2016年1月7日 · Ceramic matrix composites (CMC), based on reinforcements of carbon fibres and matrices of silicon carbide (called C/SiC or C/C-SiC composites) represent a relatively new class of structural materials.
碳纤维增强碳化硅陶瓷基复合材料(C/SiC) - 知乎专栏
C/C-SiC制备主要有4类工艺:①液相工艺,包括反应熔渗法(RMI)、 先驱体转化法 (PIP)和 溶胶-凝胶法;②气相工艺,如 化学气相渗透法 (CVD);③固相工艺,即 热压烧结法,此法结合了浆料浸渍和高温高压烧结的工.艺;④组合工艺,如CVI与PIP工艺结合。 液相法中的 液相硅渗透法 (LSI)和PIP法因其工艺制备条件相对易操作而备受关注。 LSI工艺制备的C/C-SiC∶复合材料,是在C/C多孔体中渗入熔融硅进行原位反应生成 SiC基体材料,同时完成致密化的。 液相硅渗透 …
C/SiC and C/C-SiC Composites - Wiley Online Library
2014年9月26日 · This chapter describes the manufacture of C/C-SiC materials and components based on in situ fiber embedding and liquid silicon infiltration (LSI). The industrial use of C/SiC materials is still focused on niche markets.
• Carbon fiber-reinforced silicon carbide matrix (C/SiC) composites are the current focus. • Properties of C/SiC composites can be modified by changing the fiber, the interface, and/or the ceramic matrix. Surface coatings can also be applied to improve the durability. Objective
Preparation and properties of highly thermal conductive C/C-SiC
2023年8月1日 · A kind of highly thermal conductive silicon carbide matrix composites (c-1000/C-SiC, c-600/C-SiC) reinforced with chopped mesophase pitch-based carbon fibers (c-MPCF) including 1000 W/ (m·K) and 600 W/ (m·K) were successfully prepared by the phenolic resin precursor impregnation pyrolysis and liquid silicon infiltration (LSI) method.
Microstructure and mechanical properties of 2D laminated C/C-SiC ...
The results show that the C/C-SiC composites prepared at 1390°C using Si-Ni alloy and at 1550°C using Si-Ti alloy exhibit superior mechanical properties, with flexural strengths of 230 MPa and 221 MPa, and fracture toughnesses of 5.12 MPa·m 1/2 and 4.89 MPa·m 1/2, respectively—surpassing those prepared with pure Si. Because of the brittle ...
C/SiC复合材料的制备及加工技术研究进展
碳纤维增强碳化硅陶瓷基(C/SiC)复合材料由于其强度高、硬度大、耐磨损,被广泛应用于工业、航空航天等领域,然而C/SiC复合材料难以被稳定地去除加工。
C/C-SiC复合材料 - 百度百科
C/C-SiC复合材料,即碳纤维增强碳和碳化硅双基体材料,该材料具有密度低、抗氧化性能好、耐腐蚀、优异的力学性能和热物理性能等优点,是一种能满足1650℃使用的新型高温结构材料和功能材料。 因此,C/C-SiC复合材料一问世便立即引起了航空航天领域材料学者的极大兴趣与关注,已应用于返回式飞船的面板、小翼、升降副翼和机身舱门,航天飞机的热防护系统, 太空反射镜 等部件和产品。 20世纪90年代, 德国斯图加特大学 和德国航天研究所等单位的研究人员最早 …
C/SiC陶瓷基复合材料研究与应用现状 - 维普期刊官网
本文主要综述了C/SiC陶瓷基复合材料在制备方法和应用领域的研究进展,介绍了一系列具有代表性的C/SiC复合材料的制备方法,重点关注多种制备方法相结合的混合工艺,概述了C/SiC复合材料在航空航天热结构和热防护、刹车材料、空间相机结构等领域的应用,展望了更优异的混合制备工艺以及针对不同应用要求的复合材料新体系,以便为今后C/SiC陶瓷基复合材料的进一步研究提供参考。
Carbon fiber reinforced silicon carbide composites (C/SiC, C/C-SiC…
Ceramic matrix composites (CMC), based on reinforcements of carbon fibers and matrices of silicon carbide (called C/SiC or C/C-SiC composites) represent a relatively new class of structural materials. In the last few years new manufacturing processes and …