Preparation of YAG Nanoparticles by Sol-Gel and its Application in Electrical Contact Material

Home > Archive>Volume 47, Issue S2, 2018 >40-43

Preparation of YAG Nanoparticles by Sol-Gel and its Application in Electrical Contact Material
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Affiliation:Department of Materials Science and Engineering,Zhejiang University,Department of Materials Science and Engineering,Zhejiang University,Department of Materials Science and Engineering,Zhejiang University,Department of Materials Science and Engineering,Zhejiang University,Wenzhou Hongfeng Electrical Alloy Co Ltd,Wenzhou Hongfeng Electrical Alloy Co Ltd
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Abstract:

YAG nanoparticles were prepared by sol - gel method using yttrium nitrate (Y(NO₃)₃6H₂O) and aluminum nitrate (Al(NO₃)₃9H₂O) as the main raw materials and hexamethylenediamine as the catalyst. Ag / YAG electrical contact composites were fabricated by powder metallurgy. And the microstructure and properties of them were characterized by XRD, SEM, TEM, FTIR and so on. The results showed that pure YAG nanoparticles were successfully synthesized by sol-gel method with the bath temperature of 50℃. The size of YAG nanoparticles increased with the increasing of the amount of hexamethylenediamine.And low resistivity and high hardness (>80Hv) of Ag / YAG electrical contact composite were obtained when sintering temperature reached 860℃.

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[Guan Bingyu, Zhang Lingjie, Yang Hui, Fan Xianping, Qi Gengxin, Chen Xiao. Preparation of YAG Nanoparticles by Sol-Gel and its Application in Electrical Contact Material[J]. Rare Metal Materials and Engineering,2018,47(S2):40~43.]
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Received:December 12,2017
Revised:December 12,2017
Adopted:February 01,2018
Online: November 01,2018
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