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Kinetics and Mechanism of Interfacial Reaction in a SiC_f/Ti CompositeGuoxing ZHANG, Qiang KANG, Nanlin SHI, Geping LI and Dong LIInstitute of Metal Research, Chinese Academy of Sciences, Shenyang... the fabrication processand continuously grows at high temperature because the Si and C atoms diffuse from SiC fibers to the matrix and Tiatoms diffuse in the opposite direction. The growth of the reaction zone......
, Ti5Si3 and TiC layers are generated according to the following reactions [22]: SiC→Si+C (1) Ti+C→TiC (2) 5Ti+3Si→Ti5Si3 (3) The previous report suggested that the reaction between SiC and Ti is controlled...Trans. Nonferrous Met. Soc. China 30(2020) 863-871 Microstructures and mechanical properties of Al 2519 matrix composites reinforced with Ti-coated SiC particles Cui-ge DONG, Rui CUI, Ri-chu WANG......
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performance and mechanical properties of composite were investigated. The results show that the SiCp/Al composites are composed of SiC and Al, no reaction product such as Al4C3 fragility phase...DOI:10.19476/j.ysxb.1004.0609.2018.12.15 SiC颗粒级配对SiCp/Al复合材料微观结构和性能的影响 王武杰1,洪 雨2,刘家琴1, 3, 4,吴玉程1, 2, 3, 4 (1. 合肥工业大学 工业与装备技术研究院,合肥 230009; 2. 合肥工业大学 材料科学与工程学院,合肥 230009; 3. 有色金属与加工技术国家地方联合工程研究中......
welding between pure copper and AA5754 alloy was carried out. Reinforcing SiC nano- particles were utilized in friction stir welded (FSW) joints to decline the harmful effects of intermetallic... of 50 mm/min and a rotation speed of 1000 r/min showed the best results. The presence of nano-sized SiC particles reduced the grain size of aluminum and copper in the stir zone (SZ) from 38.3 and 12.4 μm......
during fatigue. The microstructure of the interfacial reaction layer in SiC(SCS-6) fiberreinforced Ti-15-3 alloy matrix composite has been studied using transmission electron microscopy. [全文内容正在添加...Interface Microstructure and Interface Degradation Behavior in SiC Fiber-Reinforced Ti-15-3 Matrix Composite During Cyclic Loading Shuqi Guo1,Yutaka Kagawa1 (1.Institute of Industrial Science......
permittivity of doped SiC powders. ZHAO et al [2] and JIAO et al [3] prepared nanometer N-doped SiC powders by laser-induced gas phase reaction method and by chemical vapor deposition method, respectively. SU et al [4] and LI et al [5] synthesized B-doped and Al-doped powders by the combustion synthesis and solid-state reaction, respectively. Also, JIN et al [6] prepared Al-doped SiC powder......
J. Cent. South Univ. (2018) 25: 2049-2057 DOI: https://doi.org/10.1007/s11771-018-3894-5 Determination of key parameters of Al–Li alloy adhesively bonded joints using cohesive zone model YUAN Shun... propagation in an Al–Li alloy patch-reinforced structure. This paper proposes a method to determine the key parameters of the adhesive layer of adhesively bonded joints in the Al–Li alloy patch-reinforced......
度因子为22.12~38.24 kJ/(g·s)时,合成WC-MgO的反应模式为扩散反应,所需的最小球磨总能量为112.83×109 J/g. 关键词:WC-MgO;纳米复合粉末;高能球磨;反应模式 中图分类号:TF 123.7 文献标识码:A Reaction mode and criterion of nanocomposite WC... of the mixture powders WO3, graphite and Mg at the mole ratio of 1?1?3. The energy region of diffusion and self-propagation reaction (SHS) was defined using a refined model based on Magini model and YANG Jun......
SiC涂层C/C复合材料应力氧化失效行为 肖 鹏1,黄 辉1,栾新刚2,刘持栋2 (1. 中南大学 粉末冶金国家重点实验室,湖南 长沙,410083; 2. 西北工业大学 超高温结构复合材料国防科技重点实验室,陕西 西安,710072) 摘 要:在氧化性气氛(21% O2+79% Ar),不同拉应力下研究SiC涂层C/C复合材料在1 000 ℃和1 300 ℃的氧化失效行为;采用扫描电镜观察SiC涂层C/C复合材料氧化失效后的断口形貌.试验结果表明:当温度为1 000 ℃,拉应力由C/C复合材料拉伸强度的20%增加至50%时,SiC涂层C/C复合材料的应力氧化明显加剧,寿命由大于5.00 h缩短到2.92 h,应力对SiC涂层C/C复合材料的寿命有显著影响;当拉应力为C/C复合材料拉伸强度的50%,温度为1 000 ℃和1 300 ℃时,材料均......