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: TB 332 文献标志码:A Influence of preforms and pore structures on chemical vapor infiltration of TaC CHEN Zhao-ke, XIONG Xiang, LI Guo-dong (State Key Laboratory of Powder..., and the deposition rats, infiltration depths of TaC in the performs were researched on the basis of theoretical analyses of the pore structures of 2.5D needle-punctured felts, low-density carbon felts. The results......
Microstructure and stopped growth mechanism of Y123 bulk fabricated by directional infiltration and growth DONG Hao(董 昊)1, HU Rui(胡 锐)1, LI Jin-shan(李金山)1, KOU Hong-chao(寇宏超)1, XUE Xiang-yi(薛祥义...; Abstract: The infiltration-growth process was used as an alternative to conventional melt processing techniques......
unidirectional squeeze infiltration of pure metals into fibrous preforms Abstract: The temperature fields during unidirectional squeeze infiltration of pure metals into fibrous preforms were numerically calculated by the finite difference method, and the effects of squeeze infiltration parameters on infiltration velocity and temperature field were discussed......
100083,China摘 要:Diamond reinforced copper(Cu/diamond) composites were prepared by pressure infiltration for their application in thermal management where both......
Aging and thermal expansion behavior of Si3N4p/2024Al composite fabricated by pressure infiltration methodCHEN Guo-qing1, YANG Wen-shu1, 2, MA Kang1, Murid HUSSAIN 2, JIANG Long-tao1, WU Gao-hui1(1..., Italy)Abstract:The aging and thermal expansion behaviors of Si3N4p/2024Al composite fabricated by pressure infiltration method were investigated. The peak-aging time and peak hardness both decrease......
of porosity, Mo-Cu composite with different molybdenum contents are obtained. The Mo-Cu composites have dense and homogeneous structure with obvious fibrous character by infiltration. The relative... and electrical conductivity are 226.7HV and 16.5 MS/m, respectively. Key words: fibrous structure; molybdenum-copper composites; molybdenum fiber; infiltration 钼铜复合材料是由钼,铜两种单体均匀混合而成的特殊功能材料.它综合了钼与铜的本征物理性能,具备良好的......
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碳化硅颗粒增强铝基复合材料的无压浸透反应机理探讨 宋颖刚1,张少卿1,崔岩1,王美炫1 (1.北京航空材料研究院,) 摘要:为探讨SiCp/Al基复合材料无压浸渗反应机理,利用XPS鉴定了SiC预制体浸渗前沿界面上的反应产物结构.采用HRTEM研究了SiCp/Al基复合材料的界面结构.结果表明,浸渗与未浸渗部分之间的界面上存在MgO.Al2O3和ZnO诸化合物,没有发现氮的化合物.在SiC相与铝相的界面上仅存在MgAl2O4相,MgAl2O4相几乎连续地包敷在SiC颗粒上.这表明,高温下SiC与熔Al合金接触后,SiC颗粒表面上的SiO2与Al,Mg,Zn诸元素发生了放热反应,从而降低了......
无压渗透法制备铝基复合材料的研究现状 罗宏杰1,林营1,王芬1 (1.陕西科技大学材料科学与工程学院,咸阳,712081) 摘要:介绍了当今国内外利用无压渗透法制备铝基复合材料的研究现状及工艺原理,详细归纳总结了通过此种方法制备的几种典型铝基复合材料的性能,应用与具体工艺过程,并对利用无压渗透法制备铝基复合材料的研究发展方向作了探讨性总结. 关键词:无压渗透法; 铝基复合材料; 性能; 应用; 工艺过程; 发展方向; [全文内容正在添加中] ......
:2D carbon fiber reinforced AZ91 D matrix composites(2D-Cf/AZ91 D composites) were fabricated by liquid–solid extrusion and vacuum pressure infiltration... precipitates at the interface. The aluminum improved the infiltration of the alloy and Py C coating protected the fibers effectively. The ultimate tensile strength of 2D-Cf/AZ91 D composites was about 400......
