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先驱体转化法制备SiC纤维的研究进展 王海哲1,李效东1,赵大方2 (1.国防科技大学,新型陶瓷纤维及其复合材料国防科技重点实验室,长沙,410073;2.装备指挥技术学院,航天装备系,北京,101416) 摘要:先驱体法制备的SiC纤维是高性能陶瓷基复合材料(CMC)的关键增强材料. 在过去三十年里, 已发展了三代SiC纤维. 本文综述了三代SiC纤维制备工艺,组成结构和性能的发展变化情况, 分析了SiC纤维的耐高温,抗氧化,模量和高温抗蠕变性能与其组成和结构的相互关系, 总结了提高纤维性能的主要方法. 关键词:SiC纤维; 先驱体转化法; 耐超高温陶瓷纤维; SiC fibers; polymer-derived method; high-temperature-resistant ceramic fibers; [全文内容正在添加中] ......
is the main mechanism for the CVD-SiC nanowires. Key words: SiC nanowires; C/C composite; chemical vapor deposition; growth mechanism; characterization 1 Introduction Carbon fiber reinforced carbon...Trans. Nonferrous Met. Soc. China 25(2015) 3258-3264 Characterization of SiC nanowires prepared on C/C composite without catalyst by CVD Yi-cheng GE, Yun-qi LIU, Shuai WU, Huang WU, Pei-ling MAO, Mao......
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broken fibers, the model can predict the strength of the composites exactly. Key words: SiC fiber; titanium-matrix composites; Weibull distribution; tensile strength ...; 1 Introduction SiC fiber reinforced titanium metal......
Finite Element Analysis of Push-Out Test of SiC Fiber Reinforced Titanium Matrix Composites () 摘要:Based on the interphase layer model and the spring layer model, an improved interface model... that the improved interface model is more suitable for calculating the interfacial properties of SiC fiber reinforced titanium matrix composites. The interfacial shear strength of SiC/Timetal-834 predicted is 500......
composite was prepared by foil-fiber-foil method in order to study the interfacial reaction and bonding characteristics when Ti6Al4V was used as interfacial modification coating on the continuous SiC fiber... and Cu4Ti. Key words: SiC fiber; Ti6Al4V/Cu interface; copper matrix composites; interfacial reaction ......
Trans. Nonferrous Met. Soc. China 30(2020) 463-471 Effects of SiC interfacial coating on mechanical properties of carbon fiber needled felt reinforced sol-derived Al2O3 composites Kuan-hong ZENG... December 2019 Abstract: 3D carbon fiber needled felt and polycarbosilane-derived SiC coating were selected as reinforcement and interfacial coating, respectively, and the sol-impregnation-drying......
Dispersion of ultrafine SiC particles in molten Al-12Si alloy Jin-Ju PARK, Sang-Hoon LEE, Min-Ku LEE, Chang-Kyu RHEE Nuclear Materials Research Division, Korea Atomic Energy Research Institute... with the help of ultrafine ceramic powders made by self-propagating high-temperature synthesis (SHS) process. The SHS powders were fabricated by the chemical reaction between micro-sized SiC and Al......
Measurement of interfacial residual stress in SiC fiber reinforced Ni-Cr-Al alloy composites by Raman spectroscopyXixi Niu1,2,Haoqiang Zhang1,3,Zhiliang Pei1,Nanlin Shi1,Chao Sun1,Jun Gong11...="ChDivSummary" name="ChDivSummary">Raman spectroscopy was used to measure Raman spectra of the inner SiC fibers and surface C-rich layers of SiC fibers, composite precursors and SiCf/Ni-Cr-Al composites......
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