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| Preparation and Performance of Li5La3Ta2O12 Particulate Reinforced High Damping Aluminum Composites |
| WANG Xianping1,2，WANG Weiguo2，LI Chun1，CHENG Zhijun2，FANG Qianfeng1,2 |
| (1.School of Material Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China； 2.Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China） |
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Abstract The metal matrix ceramic composite,Li5La3Ta2O12/Al, was prepared by powder metallurgy method. It was found that the damping capacity and the mechanical properties of the composite at room temperature are greatly enhanced in comparison with the pure Al. The damping capacity of the 20%Li5La3Ta2O12/Al composite can reach 0.010, which is one order of magnitude higher than that of pure Al, and the corresponding yield strength and microhardness of the composite are 43% and 28% higher than those of pure Al, respectively.
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Received: 30 March 2009
Published: 31 May 2010
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