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A, MATSUZAKI S, et al. Improvement in matrix microstructure of SiC/SiC composites by incorporation of pore-forming powder[J]. Journal-Ceramic Society Japan, 2014, 122(1430): 863-869. [21] ZUNJARRAO S...DOI: 10.11817/j.issn.1672-7207.2020.11.025 SiC复合材料的研究进展与展望 邹芹1, 2,周鑫1,李艳国1,王明智1 (1. 燕山大学 亚稳材料制备技术与科学国家重点实验室,河北 秦皇岛,066004； 2. 燕山大学 机械工程学院,河北 秦皇岛,066004) 摘要:基于SiC复合材料具有硬度高,化学性质稳定,热膨胀系数小等一系列优良特性,在能源,军......
) alloy metal matrix composites (MMCs) were successfully fabricated by the powder metallurgy method. The effects of addition of SiC particle on the mechanical properties of the composites... to be the optimal replacement content for the composite. Key words: titanium alloy; nano SiC particle; powder metallurgy; hardness; compressive strength 1 Introduction Metal matrix composites (MMCs......
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Synthesis and microwave dielectric properties of boron doped SiC powder by sol-gel method LI Zhi-min(李智敏), LUO Fa(罗 发), SU Xiao-lei(苏晓磊), ZHU Dong-mei(朱冬梅), ZHOU Wan-cheng(周万城) State Key... in Raman spectra, which also shift to higher wavenumber with the increasing B. The microstructure of SiC powder is composed of agglomerated particles with diameters ranging from 30 to 100 nm......
173.15 K to 1 473.15 K. Keyword: sub micrometer SiC powder; oxidation; thermodynamics; kinetics; Received: 1999-09-05 SiC是常用的工业材料, 由于它能和空气中的氧气发生一系列反应, 且...氧量来计算, SiC氧化反应后质量增量百分数由氧化程度计算得出. 图1 Gibbs自由能随温度的变化曲线 Fig.1 Curves of Gibbs free energy vs temperature 图2 亚微米SiC粉体的X-ray衍射谱 Fig.1 XRD pattern of sub-micrometer size SiC powder......
SiC whisker reinforced MoSi2 composite prepared by spark plasma sintering from COSHS-ed powder XU Jian-guang(许剑光)1, 2, ZHANG Hou-an(张厚安)1, JIANG Guo-jian(江国健)2 ZHANG Bao-lin(张宝林)2, LI Wen-lan(李文..., China Received 10 April 2006; accepted 25 April 2006 Abstract: SiC whisker reinforced MoSi2 composite powder was synthesized by a novel process, referred to the literature as chemical oven self......
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......
Influence of Lanthanum on Synthesizing of SiC Nanometer Powder Wang Liuyan1,Zhang Ning1,Long Haibo1,Cai Qingkui1 (1.Scientific Technology Research Center, Shenyang University, Shenyang 110044.... The influence of La on TG-DSC curve was also analyzed. It indicated that the synthesis process of SiC powder had two steps. In the first step two medial productions of SiOg and COg formed......
, 实现界面结合. 关键词: 陶瓷连接; 特种连接; Ti3SiC2 ; SiC陶瓷 中图分类号: TQ174.758 文献标识码: A Joining of reaction bonded SiC ceramic using Ti3SiC2 powder as filler DONG Hong-ying1, LI Shu-jie1, HE Yue-hui2 (1. School...文章编号: 1004-0609(2005)07-1051-06 用Ti3SiC2粉料连接反应烧结SiC陶瓷 董红英1 , 李树杰1 , 贺跃辉2 (1. 北京航空航天大学 材料科学与工程学院, 北京 100083; 2. 中南大学 粉末冶金国家重点实验室, 长沙 410083) 摘要: 用Ti3SiC2粉末作为焊料, 采用热压反应烧结连接法连接SiC, 通过正交实验, 研究了连接温......
treatment of oxidation, acid-washing and acid-washing after oxidation were carried out on SiC particles, then 6066 aluminum alloy reinforced by SiC particles was fabricated by powder metallurgy route...SiC颗粒表面处理对6066Al基复合材料力学性能的影响 王日初1, 毕 豫2, 黄伯云1, 张传福3 (1. 中南大学 材料科学与工程学院, 湖南 长沙, 410083;2. 河南工业大学 材料科学与工程学院, 河南 郑州, 450007;3. 中南大学 冶金科学与工程学院, 湖南 长沙, 410083) 摘要: 分别对SiC颗粒进行高温氧化,酸洗和高温氧化后再酸洗等表面处理......
