【摘 要】
：
The forming process of composite vane of hollow pipe with large length to diameter ratio was investigated, the method of forming process including co-curing and secondary bonding process.The tools tha
【机 构】
：
Composite Materials Manufacturing Center,Aerospace Haiying (Zhenjiang) Special Materials Co.Ltd,Zhen
【出 处】
：
第二届中国国际复合材料科技大会 (CCCM-2)
论文部分内容阅读
The forming process of composite vane of hollow pipe with large length to diameter ratio was investigated, the method of forming process including co-curing and secondary bonding process.The tools that forming the part of pipe were treated by three methods under the co-curing process, including prayed respectively by parting agents and silicone oil, wrapped by parting film as well.
其他文献
采用真空等离子体喷涂技术与热处理相结合的方法在C/C复合材料表面制备SiC及其复合涂层,表征了该涂层的显微结构和相组成,研究了加入不同含量的Al2O3和B4C对SiC涂层组成与结构的影响,并采用等离子体火焰和H2-O2火焰对涂层的抗烧蚀性能进行考察。结果 表明,采用喷涂和后处理结合的方法可以在C/C复合材料表面形成SiC涂层,通过改变工艺参数,该涂层具有不同表面层厚度和渗入层厚度的结构特征；添加A
以纤维素和凹凸棒石(PG)为原料，在220℃下水热24h制备凹凸棒石/炭(PG/C)复合材料。采用浸渍-碳化工艺在炭/炭复合材料(C/C)中引入PG/C作为添加剂，利用一步热压法对材料最终成型，获得炭/炭-陶瓷/炭复合材料。研究了不同碳含量的PG/C作为添加剂时C/C的力学性能和抗氧化性能。结果 表明：PG/C在热压过程中转变为陶瓷/炭，陶瓷/炭通过"填充"、"桥联"起增强作用，陶瓷表面负载碳层有
利用无压浸渗法制备了不同含量SiC的SiC增强Al基复合材料。通过金相显微镜,X射线衍射,扫描电子显微镜对所制备的SiCp/Al复合材料的显微组织、物相以及形貌进行表征,并采用万能试验机测试材料的抗弯性能进行测试。结果 表明,所制备的复合材料组织均匀、无明显气孔,其具有较高的抗弯曲性能。同时,高体积分数SiCp/Al复合材料的断裂方式以脆性断裂为主。
为了研究掺杂ZrC对C/C复合材料烧蚀性能的影响，使用有机锆的聚合物做前驱体，通过前驱体浸渍裂解工艺(PIP)制备C/C-ZrC复合材料，用氢氧(H2-O2)焰对C/C-ZrC复合材料进行烧蚀，研究其烧蚀性能.研究发现：密度为1.4g/cm3的C/C预制体制备出的C/C-ZrC复合材料的线烧蚀率和质量烧蚀率比密度为1.86g/cm3的C/C复合材料小；在烧蚀的过程中ZrC表现出优先氧化，同时生成的
SiC is a suitable choice to improve the ablation resistance of C/C composites due to its good thermodynamic compatibility with carbon and excellent oxidation resistance.Reactive melt infiltration (RMI
The effect of the type of carbon sources on the bulk density and microstructure distribution of carbon/carbon (C/C) composites fabricated by ICVI under the condition of 1100 ℃, 2 kPa systematic pressu
A gradient SiC coating on C/C composite was developed by using a novel process which was the combination of plasma spray with reaction-formed heat-treatment.Microstructure and phase composition of the
Palygorskite/carbon composites were synthesized via a hydrothermal route at 220℃ for 24h using palygorskite and cellulose as raw material.Then palygorskite/carbon composites were introduced in the car
advanced polymer matrix composites is applied widely in the field of aerospace engineering, autoclave molding process has become one of the primary molding process for composite structure, but this pr
In the processing of fiber placement, due to the coefficient of thermal expansion of the fiber and matrix is not matching and the action of thermos-mechanical loading, caused the shrinkage of fiber/ma