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立方氮化硅的冲击波合成实验研究
引用本文:刘雨生,姚怀,张福平,贺红亮,唐敬友. 立方氮化硅的冲击波合成实验研究[J]. 无机材料学报, 2007, 22(1): 159-162. DOI: 10.3724/SP.J.1077.2007.00159
作者姓名:刘雨生  姚怀  张福平  贺红亮  唐敬友
作者单位:1. 中国工程物理研究院流体物理研究所 冲击波物理与爆轰物理实验室, 绵阳 621900; 2. 西南科技大学材料科学与工程学院, 绵阳 621010
基金项目:国家自然科学基金;中国工程物理研究院基金
摘    要:以α-Si3N4粉体作原材料, 采用炸药爆轰平面飞片加载 装置和样品回收技术进行了冲击波合成实验, 完整回收到合成样品, 经过酸处理, 对回收样品进行X射线衍射分析, 结果表明: 当加载压力超过50GPa而且冲击温度约3600~5000K时, α-Si3N4可以较完全地转化为γ-Si3N4. 本实验的研究结果建立了一种冲击压缩技术可单次合成克量级的立方氮化硅, 为进一步开展立方氮化硅的性能研究奠定了基础.

关 键 词:冲击压缩  合成  立方氮化硅  
文章编号:1000-324X(2007)01-0159-04
收稿时间:2006-03-20
修稿时间:2006-03-202006-05-29

Experimental Research on Shock Synthesis of Cubic Silicon Nitride
LIU Yu-Sheng,YAO Huai,ZHANG Fu-Ping,HE Hong-Liang,TANG Jing-You. Experimental Research on Shock Synthesis of Cubic Silicon Nitride[J]. Journal of Inorganic Materials, 2007, 22(1): 159-162. DOI: 10.3724/SP.J.1077.2007.00159
Authors:LIU Yu-Sheng  YAO Huai  ZHANG Fu-Ping  HE Hong-Liang  TANG Jing-You
Affiliation:1. Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, China; 2. School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
Abstract:Experiments using a planar metal disc flyer driven by explosives and a cylindrical chamber was designed to synthesize cubic silicon nitride with the mixtures of α-Si3N4 and copper powders as starting materials. Shockcompressed samples were successfully recovered. The recovered samples were nitrated to resolve copper, and the separated silicon nitride powders were analyzed by XRD. The results indicate that most of α- Si3N4 are transformed into cubic silicon nitride when a shock pressure larger than 50GPa and a matched shock temperature simultaneously load on α-Si3N4. The experiments provide a shock compression technique that can synthesize cubic silicon nitride in the order of gram mass in one test run, which lay the foundation for conducting further investigation on the properties and performance of cubic silicon nitride.
Keywords:shock compression   synthesis   cubic silicon nitride
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