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| YAG powders prepared by improved co-precipitation |
| YANG Li-rong1, LIU Chang1,2, LI Xiao-wu1,2, WEI Cheng-fu1,ZHANG Lin2, TANG Jie1,2, CHEN Chun-mao1 |
1. School of Chemistry and Chemical Engineering, Mianyang Normal University, Mianyang 621000, China
2. Research Center of Laser Fusion, CAEP, Mianyang 621900, China |
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Abstract YAG precursor powders were prepared via improved co-precipitation method with mixture of aluminum nitrate and yttrium nitrate as raw material and ammonium hydrogen carbonate as precipitant. The dispersant agent was PEG1000. The structure and properties of powder were investigated by thermal gravimetric analyzer, particle size analyzer, X-ray diffraction. The results show that YAG powders with high purity can be prepared by improved co-precipitation. The aging time has a dramatic effect on the powders. When aged for 12 h, the YAG powder has higher purity and more uniform particle size distribution. The specific surface area is 367.79 m2/kg and the average particle size is 7.52 μm.
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Received: 25 June 2014
Published: 28 February 2015
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2015, Vol. 25 
